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Best 20-Inch Lawn Mowers: 15 Spec-Based Picks

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Finding the best 20-inch lawn mowers requires matching deck width, drive style, and power delivery to your yard. This guide compares 15 models strictly using specifications published on the listings. The LawnMaster 20-Inch Manual Push Reel Mower leads the list by combining a 20-inch cutting width with nine cut adjustments on a 5-blade reel.

You can compare gas engines, cordless batteries, corded electric motors, and manual reel options. This guide helps you decide which power type and cutting setup fit your lawn maintenance needs.

Quick picks

#ProductBest forPrice
1 LawnMaster 20-Inch Manual Push Reel Mower Best overall motor-free mowing with wide cutting passes Check price of LawnMaster 20-Inch Manual Push Reel Mower on Amazon
2 BILT HARD 20-Inch 144cc Gas Push Mower Also great side-discharge mowing on level residential lawns Check price of BILT HARD 20-Inch 144cc Gas Push Mower on Amazon
3 Scotts 20-Inch Push Reel Lawn Mower Best budget manual lawn care without fuel or batteries Check price of Scotts 20-Inch Push Reel Lawn Mower on Amazon
4 BILT HARD 20-Inch 144cc Gas Push Mower Also great level lawns needing low cutting heights Check price of BILT HARD 20-Inch 144cc Gas Push Mower on Amazon
5 SENIX 20-Inch 144cc Gas Push Lawn Mower Also great small yards needing lightweight gas mowing Check price of SENIX 20-Inch 144cc Gas Push Lawn Mower on Amazon
6 Walensee 20-Inch Steel Deck Reel Mower Best steel deck quiet manual trimming with a steel deck Check price of Walensee 20-Inch Steel Deck Reel Mower on Amazon
7 Earthwise 20-Inch Manual Push Reel Mower Also great manual mowing with extra rear-wheel stability Check price of Earthwise 20-Inch Manual Push Reel Mower on Amazon
8 Greenworks 48V 20-Inch Cordless Push Lawn Mower Best premium medium lawns needing durable steel deck mowing Check price of Greenworks 48V 20-Inch Cordless Push Lawn Mower on Amazon
9 CRAFTSMAN 20-Inch Corded Electric Push Mower Best electric continuous power near an outdoor electrical outlet Check price of CRAFTSMAN 20-Inch Corded Electric Push Mower on Amazon
10 SENIX 20-Inch 144cc Gas Push Mower Also great side-discharge mowing on yards and gentle slopes Check price of SENIX 20-Inch 144cc Gas Push Mower on Amazon
11 PowerSmart 20-Inch Self-Propelled Cordless Mower Also great sloped yards needing self-propelled cordless mowing Check price of PowerSmart 20-Inch Self-Propelled Cordless Mower on Amazon
12 SENIX 20-Inch 144cc Gas Push Lawn Mower Also great half-acre yards needing side-discharge gas mowing Check price of SENIX 20-Inch 144cc Gas Push Lawn Mower on Amazon
13 Skil PWR CORE 40 20-Inch Self-Propelled Mower Best 6.0 ah self-propelled mowing with high-capacity 6.0Ah battery power Check price of Skil PWR CORE 40 20-Inch Self-Propelled Mower on Amazon
14 CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries Best 5.0 ah medium yards needing dual included batteries Check price of CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries on Amazon
15 Baococo 20-Inch 144cc Gas Push Mower Best small yards small yards needing a lightweight gas mower Check price of Baococo 20-Inch 144cc Gas Push Mower on Amazon

The best fit for you

Our 15 picks

Best overall

LawnMaster 20-Inch Manual Push Reel Mower

Best for: motor-free mowing with wide cutting passes

Cutting Width
20-Inch (what this guide is about)
Power Source
manual reel
Drive Type
push
Cutting Height
1.3-2.6 in, 9 positions
Application
Lawn
Dimensions
27.1 × 18.2 × 10.6 inches

View on Amazon: LawnMaster 20-Inch Manual Push Reel Mower

The LawnMaster 20-Inch Manual Push Reel Mower is a motorless walk-behind mower driven entirely by human effort. It features a 20-inch cutting width and a 5-blade steel reel system. You get nine cutting height positions between 1.3 and 2.6 inches, along with 10-inch front wheels for steering. This unit suits you if you want wide cutting passes without managing gas, power cords, or battery recharging routines.

Pros

  • 20-inch cutting width with 5 durable steel blades
  • 9 cutting height positions ranging from 1.3 to 2.6 inches
  • 10-inch front wheels for lawn maneuverability
  • Motorless design requires no gas or battery charging

Cons

  • Maximum cutting height is limited to 2.6 inches
  • Manual push drive provides no motor assistance

Good fit if

  • You want a 20-inch cut path without managing motors, fuel, or charging cycles.
  • You maintain turf within a 1.3-inch to 2.6-inch height range.
  • You prefer human-powered mowing with large 10-inch front wheels.

Skip if

  • You need a motorized or self-propelled drive to reduce pushing effort.
  • You need cutting heights taller than 2.6 inches for high grass.

Verdict: LawnMaster 20-Inch Manual Push Reel Mower delivers a wide 20-inch swath and nine cut adjustments using a purely mechanical 5-blade reel. It offers clean cutting performance with zero fuel or battery requirements.

Also great

BILT HARD 20-Inch 144cc Gas Push Mower

Best for: side-discharge mowing on level residential lawns

Cutting Width
20-Inch (what this guide is about)
Power Source
144cc 4-stroke OHV gas
Drive Type
push
Deck Material
steel
Cutting Height
0.6-2.4 in, 6 positions
Mowing Function
side discharge

View on Amazon: BILT HARD 20-Inch 144cc Gas Push Mower

This BILT HARD walk-behind push mower features a 20-inch steel deck paired with a 144cc 4-stroke OHV gas engine delivering 3.4 horsepower. It uses a dedicated side discharge setup and dual levers to set cutting heights between 0.6 and 2.4 inches across six positions. If you need a straightforward gas push unit for regular lawn trimming without bagging requirements, this machine matches standard residential yards.

Pros

  • 144cc 4-stroke OHV engine producing 3.4 max horsepower
  • Durable 20-inch steel cutting deck and straight blade
  • 6-position dual-lever height adjustment from 0.6 to 2.4 inches
  • 27.1 fl.oz fuel tank and 16.9 fl.oz oil capacity

Cons

  • Side discharge only with no collection bag or mulching listed
  • Manual push drive without self-propelled assist
  • Maximum cutting height peaks at 2.4 inches

Good fit if

  • You want a gas push mower with a durable 20-inch steel deck.
  • You prefer side-discharging grass clippings instead of bagging.
  • You maintain turf cut heights between 0.6 and 2.4 inches.

Skip if

  • You need a self-propelled drive system for sloped terrain.
  • You want to bag or mulch your lawn clippings.
  • You let grass grow taller than the 2.4-inch maximum cut height.

Verdict: BILT HARD 20-Inch 144cc Gas Push Mower provides straightforward gas-powered cutting with a rigid steel deck and dual-lever height adjustments. It serves standard yard maintenance well if you strictly rely on side discharge.

Best budget

Scotts 20-Inch Push Reel Lawn Mower

Best for: manual lawn care without fuel or batteries

Cutting Width
20-Inch (what this guide is about)
Power Source
Manual
Drive Type
Push
Cutting Height
1-3 in, quick-snap
Application
Lawn
Dimensions
28 × 18 × 10 inches

View on Amazon: Scotts 20-Inch Push Reel Lawn Mower

The Scotts 20-Inch Manual Push Reel Mower gives you a 20-inch cutting path powered entirely by manual push effort. It features a 5-blade ball-bearing reel made from heat-treated alloy steel and rolls on 10-inch dual tracking wheels. The cutting height adjusts from 1 to 3 inches via quick-snap levers. At 26.9 pounds, this engine-free design suits you if you want wide cutting coverage without gas, oil, cords, or batteries.

Pros

  • 20-inch cutting width with 5-blade heat-treated alloy steel reel
  • Quick-snap cutting height adjustment from 1 to 3 inches
  • 10-inch dual tracking wheels
  • Weighs 26.9 pounds with tool-less assembly

Cons

  • Manual drive requires pure push effort without motor assist
  • Maximum cutting height tops out at 3 inches
  • No grass collection bag included

Good fit if

  • You want a wide 20-inch cut without engines, power cords, or battery packs.
  • You prefer a lightweight 26.9-pound mower that requires no tools to assemble.
  • You keep your lawn cut between 1 and 3 inches.

Skip if

  • You need a motorized or self-propelled push system.
  • You let grass grow taller than the 3-inch maximum cut height.

Verdict: Scotts 20-Inch Manual Push Reel Mower provides a mechanical 20-inch cutting deck without motors, fuel, or charging cycles. It delivers clean reel-cut performance for lawns maintained below 3 inches.

Also great

BILT HARD 20-Inch 144cc Gas Push Mower

Best for: level lawns needing low cutting heights

Cutting Width
20-Inch (what this guide is about)
Power Source
144cc 4-cycle OHV gas
Drive Type
push
Cutting Height
0.7 in to 3.2 in, 8 positions
Mowing Function
2-in-1
Application
Yard, Garden, Lawn

View on Amazon: BILT HARD 20-Inch 144cc Gas Push Mower

The BILT HARD 20-Inch 144cc Gas Push Mower gives you a 20-inch cutting deck powered by a 144cc 4-stroke engine delivering 5.8 ft-lb of torque. It features an eight-position single-lever height adjustment ranging from 0.7 to 3.2 inches. With its push drive, 51-pound weight, and auto-choke startup, this 2-in-1 mower suits you if you need gas-powered cutting without priming or adjusting chokes on standard lawns.

Pros

  • 144cc 4-stroke engine delivers 5.8 ft-lb of torque with auto choke
  • 8-position single-lever height adjustment from 0.7 to 3.2 inches
  • Ball-bearing wheels with 7-inch rear and 6-inch front diameters
  • Foam-wrapped angled handle grip

Cons

  • Manual push drive lacks self-propelled assistance
  • Cannot be tipped over without oil entering the combustion chamber

Good fit if

  • You want a gas-powered 20-inch deck with auto-choke starting.
  • You need a low minimum cutting height down to 0.7 inches.
  • You prefer single-lever height adjustments across all four wheels.

Skip if

  • You want a self-propelled drive system for slopes or uneven ground.
  • You prefer battery or corded electric power without engine oil and gas.

Verdict: BILT HARD 20-Inch 144cc Gas Push Mower provides straightforward gas performance with single-lever height control across eight settings. Its push drive and compact wheel layout make it a practical choice for level lawns.

Also great

SENIX 20-Inch 144cc Gas Push Lawn Mower

Best for: small yards needing lightweight gas mowing

Cutting Width
20-Inch (what this guide is about)
Power Source
Gas, 144cc 4-cycle
Drive Type
Push
Cutting Height
1.35 / 2.3 / 3.15 in, 3 positions
Application
Lawn
Dimensions
25.6 × 21.8 × 13 inches

View on Amazon: SENIX 20-Inch 144cc Gas Push Lawn Mower

The SENIX 20-Inch 144cc Gas Push Mower is a gas-powered push walk-behind mower designed for standard residential yards. It features a 20-inch cutting deck, a 144cc 4-cycle gas engine, and a 39.3-pound total weight. You get three cutting height settings from 1.35 to 3.15 inches, along with 7-inch wheels. This model suits you if you want a lightweight gas machine for slopes and tight spaces.

Pros

  • Lightweight 39.3-pound overall weight
  • 144cc 4-cycle gas engine
  • 7-inch front and rear wheels
  • Includes engine oil and assembly tools

Cons

  • Only three cutting height positions available
  • Manual push drive without self-propulsion

Good fit if

  • You want a gas mower that weighs under 40 pounds for easier maneuvering.
  • You need a 20-inch cutting width for small lawns or hilly terrain.

Skip if

  • You prefer self-propelled drive assistance.
  • You need more than three cutting height options.

Verdict: SENIX 20-Inch 144cc Gas Push Mower provides a compact 20-inch cutting deck and a lightweight 39.3-pound frame for straightforward yard work. It offers basic three-position height adjustment without the need for battery charging.

Best steel deck

Walensee 20-Inch Steel Deck Reel Mower

Best for: quiet manual trimming with a steel deck

Cutting Width
20-Inch (what this guide is about)
Power Source
Manual reel
Drive Type
Push
Deck Material
Steel
Cutting Height
1.0-2.5 in, 9 positions
Mowing Function
Bagging

View on Amazon: Walensee 20-Inch Steel Deck Reel Mower

The Walensee 20-Inch Steel Push Reel Mower is a completely manual walk-behind mower built with a steel deck. It features a 20-inch cutting width, five curved alloy steel blades, and ten-inch drive wheels. You get nine height adjustment settings spanning 1.0 to 2.5 inches, plus an included grass catcher. Weighing 26.7 pounds, it suits you if you want human-powered, quiet trimming without charging batteries or storing fuel.

Pros

  • Durable steel deck and five curved alloy steel blades
  • Nine cutting height settings ranging from 1.0 to 2.5 inches
  • Large 10-inch drive wheels with self-lubricating mechanism
  • Includes grass catcher for bagging clippings
  • Lightweight 26.7-pound build requires no gas or batteries

Cons

  • Maximum cutting height tops out at 2.5 inches
  • Entirely manual push drive without motor assistance
  • Debris and twigs must be cleared before use to avoid reel jams

Good fit if

  • You want a manual push reel mower built with a steel deck.
  • You keep your grass maintained between 1.0 and 2.5 inches.
  • You want to collect clippings with an included catcher.

Skip if

  • You want battery power or self-propelled drive assistance.
  • You let your lawn grow taller than 2.5 inches.
  • You have a yard scattered with heavy twigs and stones.

Verdict: Walensee 20-Inch Steel Push Reel Mower delivers a wide manual cut supported by a durable steel deck and nine height options. It gives you an emission-free trimming setup that avoids batteries, cords, and fuel entirely.

Also great

Earthwise 20-Inch Manual Push Reel Mower

Best for: manual mowing with extra rear-wheel stability

Cutting Width
20-Inch (what this guide is about)
Power Source
manual reel
Drive Type
push
Cutting Height
1 in to 3 in
Application
Lawn
Dimensions
26 × 47 × 26 inches

View on Amazon: Earthwise 20-Inch Manual Push Reel Mower

The Earthwise 20-Inch Manual Push Reel Mower gives you motor-free cutting with a broad 20-inch path. It operates using a 5-blade heat-treated alloy steel reel paired with 10-inch composite wheels and 6-inch rear-trailing wheels. You can set the cutting height between 1 and 3 inches without tools. Weighing 26.9 pounds, this push mower suits you if you maintain standard-height grass and want a quiet, completely manual setup.

Pros

  • 5-blade ball bearing reel made of heat-treated alloy steel
  • Cutting height adjusts from 1 inch to 3 inches
  • Four-wheel design with 10-inch front and 6-inch rear-trailing wheels
  • Lightweight manual frame weighs 26.9 pounds

Cons

  • Manual reel mechanism provides no motor assistance
  • Maximum cutting height is limited to 3 inches

Good fit if

  • You want a fully hand-powered reel mower with a wide 20-inch swath.
  • You keep your turf trimmed between 1 inch and 3 inches.
  • You want added stability from rear-trailing wheels on a 26.9-pound frame.

Skip if

  • You need a battery or electric motor to drive the blades.
  • You cut tall grass that exceeds 3 inches in height.

Verdict: Earthwise 20-Inch Manual Push Reel Mower delivers a wide 20-inch manual cut with a 5-blade steel reel and rear-trailing wheels. It is a solid choice if you want mechanical mowing without batteries or charging cables.

Best premium

Greenworks 48V 20-Inch Cordless Push Lawn Mower

Best for: medium lawns needing durable steel deck mowing

Cutting Width
20-Inch (what this guide is about)
Power Source
48V (24V x 2) battery
Voltage
48V (24V x 2)
Drive Type
push
Battery Capacity
4.0Ah (2 batteries)
Runtime
up to 45 min

View on Amazon: Greenworks 48V 20-Inch Cordless Push Lawn Mower

This cordless lawn mower pairs a 20-inch steel cutting deck with a 48V power system running on two 24V 4.0Ah batteries. Its brushless motor provides up to 45 minutes of run time. If you want cordless mowing with a heavy-duty steel deck and shared battery compatibility across other yard equipment, this push model gives you solid cutting width without gas maintenance.

Pros

  • Dual 24V 4.0Ah batteries combine for 48V power
  • Durable 20-inch steel cutting deck
  • Brushless motor delivers up to 45 minutes of runtime
  • Includes dual-port charger and 3-year limited warranty

Cons

  • Push drive requires manual effort without self-propel assistance
  • Heavier build at 67.2 pounds

Good fit if

  • You want a durable steel deck rather than plastic.
  • You need up to 45 minutes of runtime on a dual 24V battery system.
  • You plan to share batteries across compatible 24V tools.

Skip if

  • You prefer self-propelled drive to reduce pushing effort.
  • You need a lightweight mower under 60 pounds for easier lifting.

Verdict: Greenworks 48V 20-Inch Cordless Push Lawn Mower provides durable steel-deck construction and dual-battery brushless performance for medium yards. It offers dependable cordless operation if you do not mind manual push propulsion.

Best electric

CRAFTSMAN 20-Inch Corded Electric Push Mower

Best for: continuous power near an outdoor electrical outlet

Cutting Width
20-Inch (what this guide is about)
Power Source
Corded electric, 13 Amp
Drive Type
Push
Mowing Function
3-in-1 bag/mulch/side discharge
Application
Lawn
Dimensions
33.8 × 22 × 15.1 inches

View on Amazon: CRAFTSMAN 20-Inch Corded Electric Push Mower

This CRAFTSMAN machine is a corded electric push mower built with a 20-inch cutting deck and a 13-amp motor. It offers 3-in-1 capability for mulching, bagging, or side discharge, supported by a 6-setting single-lever height adjustment ranging from 1.5 to 4 inches. At 20.8 pounds, it provides a lightweight push design. It suits you if you have continuous electrical outlet access and want cut flexibility without managing engine maintenance or battery runtimes.

Pros

  • Continuous power from a 13-amp corded electric motor
  • 3-in-1 capabilities for mulching, bagging, and side discharge
  • Single-lever height adjustment from 1.5 to 4 inches across 6 settings
  • Lightweight build weighing 20.8 pounds

Cons

  • Requires a power cord and continuous electrical outlet access
  • Push drive requires manual propulsion rather than self-propelled operation

Good fit if

  • You have an exterior power outlet near your mowing area.
  • You want 3-in-1 disposal options including bagging, mulching, and side discharge.
  • You prefer a lightweight 20.8-pound mower that avoids battery recharging.

Skip if

  • You need cordless mobility across obstacles or larger areas.
  • You prefer a self-propelled drive system to reduce pushing effort.

Verdict: CRAFTSMAN 20-Inch Corded Electric Push Mower delivers steady 13-amp corded power and versatile 3-in-1 grass disposal in a lightweight frame. It is a practical fit if you have ready outlet access and want to avoid recharging batteries.

Also great

SENIX 20-Inch 144cc Gas Push Mower

Best for: side-discharge mowing on yards and gentle slopes

Cutting Width
20-Inch (what this guide is about)
Power Source
Gas, 144cc 4-cycle OHV
Drive Type
Push
Deck Material
Steel
Cutting Height
1.25-3.75 in, 5 positions
Mowing Function
Side discharge

View on Amazon: SENIX 20-Inch 144cc Gas Push Mower

This gas push mower pairs a 20-inch steel cutting deck with a 144cc 4-cycle OHV engine. You get five cutting height settings spanning 1.25 to 3.75 inches, along with 7-inch front and rear wheels. At 43.4 pounds, it operates with side discharge only. It suits you if you need a straightforward push mower for standard yards and gentle slopes up to 15 degrees without managing battery runtime.

Pros

  • 144cc 4-cycle OHV gas engine
  • Steel deck with 20-inch cutting width
  • 5-position height adjustment between 1.25 and 3.75 inches
  • Weighs 43.4 pounds for manageable manual pushing

Cons

  • Side discharge only with no bagging or mulching options listed
  • Manual push drive without self-propelled assist

Good fit if

  • You want a gas-powered push mower with a steel deck.
  • You prefer side discharge over bagging or mulching grass clippings.
  • You manage level yards or gentle slopes up to 15 degrees.

Skip if

  • You want a self-propelled drive system instead of manual pushing.
  • You need a bagging or mulching setup for lawn clippings.

Verdict: SENIX 20-Inch 144cc Gas Push Mower delivers straightforward side-discharge mowing with a durable steel deck and five height settings. It offers dependable gas power for basic yard maintenance without complex drive mechanics.

Also great

PowerSmart 20-Inch Self-Propelled Cordless Mower

Best for: sloped yards needing self-propelled cordless mowing

Cutting Width
20-Inch (what this guide is about)
Power Source
40V cordless battery
Voltage
40V
Drive Type
self-propelled
Battery Capacity
2 x 4.0Ah
Cutting Height
1.5-3.9 in, 6 positions

View on Amazon: PowerSmart 20-Inch Self-Propelled Cordless Mower

This PowerSmart cordless mower pairs a 20-inch cut with a self-propelled rear-wheel drive and a brushless motor. It runs on a 40V system and comes with two 4.0Ah batteries, letting you swap packs while one charges. You get 3-in-1 capability for mulching, bagging, or side discharging, plus six cut heights from 1.5 to 3.9 inches. It suits you if you want motorized assistance on slopes without gas.

Pros

  • Self-propelled rear-wheel drive assists on hills and uneven turf
  • Brushless motor delivers cordless operation without oil or gas
  • Comes with two 40V 4.0Ah batteries and a charger
  • Three clipping options include mulch, rear bag, and side discharge
  • Single-lever height adjustment spans 1.5 to 3.9 inches across 6 positions

Cons

  • Total weight of 57.5 pounds makes manual lifting heavy
  • Runs on one battery at a time rather than using simultaneous dual discharge
  • Minimum cutting height stops at 1.5 inches

Good fit if

  • You want self-propelled drive to reduce pushing effort on hills.
  • You prefer rotating two 40V 4.0Ah batteries to keep mowing while one charges.
  • You need 3-in-1 versatility to bag, mulch, or side-discharge clippings.

Skip if

  • You need a lightweight push mower under 50 pounds for easy transport.
  • You require an ultra-low cutting height below 1.5 inches.

Verdict: PowerSmart 20-Inch Cordless Self-Propelled Mower delivers motorized drive assistance and flexible 3-in-1 clipping management. It is a solid battery-powered option for homeowners maintaining sloped turf without gas.

Also great

SENIX 20-Inch 144cc Gas Push Lawn Mower

Best for: half-acre yards needing side-discharge gas mowing

Cutting Width
20-Inch (what this guide is about)
Power Source
Gas, 144cc 4-cycle
Drive Type
Push
Cutting Height
1.25-3.75 in, 5 positions
Mowing Function
Side discharge
Application
Lawn

View on Amazon: SENIX 20-Inch 144cc Gas Push Lawn Mower

If you need wide cutting coverage without battery recharging pauses, this SENIX push mower delivers. It features a 20-inch cutting deck powered by a 144cc 4-cycle gas engine. You adjust your cut height using a single lever that spans 5 positions from 1.25 to 3.75 inches. Grass expels solely through side discharge, making it a straightforward gas-powered option for yards up to half an acre.

Pros

  • 144cc 4-cycle gas engine provides steady power without battery charging stops
  • 5-position single-lever cutting height adjustment from 1.25 to 3.75 inches
  • Covers approximately half an acre per fuel tank
  • 43.4-pound total weight keeps manual pushing manageable

Cons

  • Side discharge only with no collection bag or mulching mode listed
  • Manual push drive lacks self-propelled assistance

Good fit if

  • You want gas power to clear up to half an acre per tank.
  • You want single-lever height adjustment between 1.25 and 3.75 inches.
  • You prefer side discharge for disposing of cut grass.

Skip if

  • You need bagging or mulching capabilities.
  • You require a self-propelled drive system.

Verdict: SENIX 20-Inch 144cc Gas Push Lawn Mower provides dependable 4-cycle cutting power paired with 5-position height adjustment. It suits yards up to half an acre when side discharge meets your mowing needs.

Best 6.0 ah

Skil PWR CORE 40 20-Inch Self-Propelled Mower

Best for: self-propelled mowing with high-capacity 6.0Ah battery power

Cutting Width
20-Inch (what this guide is about)
Power Source
40V battery
Voltage
40V
Drive Type
self-propelled, variable speed
Battery Capacity
6.0Ah
Runtime
up to 50 min

View on Amazon: Skil PWR CORE 40 20-Inch Self-Propelled Mower

This Skil machine is a 20-inch cordless mower powered by a 40V brushless motor and a 6.0Ah battery. You get up to 50 minutes of runtime per charge and variable-speed self-propelled drive to reduce pushing effort. The deck offers 3-in-1 bagging, mulching, and rear discharge across seven cut heights from 1.5 to 4 inches. It suits you if you need battery-powered propulsion for mid-sized yards.

Pros

  • Variable-speed self-propelled drive system
  • Up to 50 minutes of runtime with included 6.0Ah battery
  • 3-in-1 deck for mulching, bagging, or rear discharge
  • Single-lever adjustment with 7 cut heights from 1.5 to 4 inches
  • Telescoping foldable handle supports vertical storage

Cons

  • Runtime capped at 50 minutes per battery charge
  • Lacks a side-discharge option

Good fit if

  • You want self-propelled variable drive speed without using gas.
  • You prefer single-lever deck adjustment across seven cutting heights.
  • You store lawn equipment vertically to save garage floor space.

Skip if

  • You need more than 50 minutes of continuous cutting time per run.
  • You require side-discharge clipping management.

Verdict: Skil 20-Inch 40V Self-Propelled Mower delivers variable-speed propulsion and 3-in-1 clipping management for up to 50 minutes per charge. Its single-lever adjustment and folding handle keep operation and storage simple.

Best 5.0 ah

CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries

Best for: medium yards needing dual included batteries

Cutting Width
20-Inch (what this guide is about)
Power Source
Cordless battery, 2 x 5Ah
Voltage
20V
Drive Type
Push
Runtime
Up to 50 min
Mowing Function
Bag

View on Amazon: CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries

This CRAFTSMAN 20-inch cordless push mower runs on two 5.0 Ah V20 batteries paired with a brushless motor, delivering up to 50 minutes of runtime. At 47.9 pounds, it offers a dual-lever cutting height range from 1.5 to 3.5 inches and folds vertically for storage. It suits you if you want cordless bagging for small or medium yards.

Pros

  • Includes two 5.0 Ah batteries and two chargers
  • Brushless motor with up to 50 minutes of runtime
  • Dual-lever height adjustment from 1.5 to 3.5 inches
  • Vertical storage design reduces stored footprint

Cons

  • Manual push drive requires full physical effort
  • Only bag mowing function is listed

Good fit if

  • You want two 5.0 Ah batteries and two chargers included out of the box.
  • You need a compact mower designed for upright vertical storage.
  • You prefer a push mower that weighs under 50 pounds.

Skip if

  • You need a self-propelled drive system for sloped ground.
  • You require side discharge or mulching capability.

Verdict: CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries delivers cordless push mowing with up to 50 minutes of runtime and vertical storage. It provides straightforward bagging capability without the maintenance of gas engines.

Best small yards

Baococo 20-Inch 144cc Gas Push Mower

Best for: small yards needing a lightweight gas mower

Cutting Width
20-Inch (what this guide is about)
Power Source
Gas, 144cc 4-stroke
Drive Type
Push
Deck Material
Steel
Mowing Function
2-in-1 (side discharge/mulch)
Application
Yard, Small Yards

View on Amazon: Baococo 20-Inch 144cc Gas Push Mower

The Baococo 20-Inch Gas Push Mower gives you a simple gas-powered setup designed for smaller yards. It runs on a 144cc 4-stroke engine paired with a 20-inch steel cutting deck. You get a 2-in-1 discharge setup supporting mulching and side discharge. Weighing 49.8 pounds with 7-inch wheels, this push mower suits you if you need a lightweight gas machine for basic trimming without self-propelled drive mechanics.

Pros

  • 20-inch durable steel cutting deck
  • 144cc 4-stroke pull-start engine
  • 2-in-1 capability with mulching and side discharge
  • Lightweight 49.8-pound build for a gas mower

Cons

  • Manual push drive with no self-propulsion
  • No grass collection bag included
  • Equal 7-inch front and rear wheels offer standard clearance

Good fit if

  • You maintain a small yard with obstacles like flower beds and trees.
  • You prefer a lightweight gas push mower weighing under 50 pounds.
  • You only need side discharge and mulching functions.

Skip if

  • You need a self-propelled drive system to reduce pushing effort.
  • You prefer bagging grass clippings instead of discharging or mulching them.
  • You want a cordless battery or electric motor instead of gas.

Verdict: Baococo 20-Inch 144cc Gas Push Mower delivers straightforward cutting power with a steel deck and a lightweight manual push frame. It fits small, level yards where you want basic mulching and side discharge without extra drive components.

Specifications side by side

Spec LawnMaster 20-Inch Manual Push Reel Mower BILT HARD 20-Inch 144cc Gas Push Mower Scotts 20-Inch Push Reel Lawn Mower BILT HARD 20-Inch 144cc Gas Push Mower SENIX 20-Inch 144cc Gas Push Lawn Mower Walensee 20-Inch Steel Deck Reel Mower Earthwise 20-Inch Manual Push Reel Mower Greenworks 48V 20-Inch Cordless Push Lawn Mower CRAFTSMAN 20-Inch Corded Electric Push Mower SENIX 20-Inch 144cc Gas Push Mower PowerSmart 20-Inch Self-Propelled Cordless Mower SENIX 20-Inch 144cc Gas Push Lawn Mower Skil PWR CORE 40 20-Inch Self-Propelled Mower CRAFTSMAN V20 20-Inch Mower with Two 5.0 Ah Batteries Baococo 20-Inch 144cc Gas Push Mower
Power Source manual reel 144cc 4-stroke OHV gas Manual 144cc 4-cycle OHV gas Gas, 144cc 4-cycle Manual reel manual reel 48V (24V x 2) battery Corded electric, 13 Amp Gas, 144cc 4-cycle OHV 40V cordless battery Gas, 144cc 4-cycle 40V battery Cordless battery, 2 x 5Ah Gas, 144cc 4-stroke
Cutting Width 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in 20 in
Voltage not specified not specified not specified not specified not specified not specified not specified 48V (24V x 2) not specified not specified 40V not specified 40V 20V not specified
Drive Type push push Push push Push Push push push Push Push self-propelled Push self-propelled, variable speed Push Push
Battery Capacity not specified not specified not specified not specified not specified not specified not specified 4.0Ah (2 batteries) not specified not specified 2 x 4.0Ah not specified 6.0Ah not specified not specified
Runtime not specified not specified not specified not specified not specified not specified not specified up to 45 min not specified not specified not specified not specified up to 50 min Up to 50 min not specified
Deck Material not specified steel not specified not specified not specified Steel not specified steel not specified Steel not specified not specified not specified not specified Steel
Cutting Height 1.3-2.6 in, 9 positions 0.6-2.4 in, 6 positions 1-3 in, quick-snap 0.7 in to 3.2 in, 8 positions 1.35 / 2.3 / 3.15 in, 3 positions 1.0-2.5 in, 9 positions 1 in to 3 in not specified not specified 1.25-3.75 in, 5 positions 1.5-3.9 in, 6 positions 1.25-3.75 in, 5 positions 1.5-4 in, 7 settings not specified not specified
Mowing Function not specified side discharge not specified 2-in-1 not specified not specified not specified not specified 3-in-1 bag/mulch/side discharge Side discharge 3-in-1 mulch, bag, side discharge Side discharge 3-in-1 Bag 2-in-1 (side discharge/mulch)
Motor Type not specified not specified not specified not specified not specified not specified not specified brushless not specified not specified brushless not specified brushless Brushless not specified
Application Lawn Yard, Garden, Lawn Lawn Yard, Garden, Lawn Lawn Lawn Lawn Lawn Lawn Yard, Garden, Lawn Lawn Lawn not specified Lawn Yard, Small Yards
Dimensions 27.1 × 18.2 × 10.6 inches not specified 28 × 18 × 10 inches 57.4 × 21.6 × 38.5 inches 25.6 × 21.8 × 13 inches 26.5 × 26.4 × 46.5 inches 26 × 47 × 26 inches 61.8 × 20.9 × 40.2 inches 33.8 × 22 × 15.1 inches 27.2 × 22.2 × 14.2 inches 22 × 61 × 39 inches 27.6 × 14.6 × 22.6 inches 22.5 × 39.2 × 16.8 inches 36.1 × 22.4 × 36.7 inches 57.4 × 21.6 × 38.5 inches
Weight not specified not specified 26.9 pounds 51 pounds 39.3 pounds 26.7 pounds 26.9 pounds 67.2 pounds 20.8 pounds 43.4 pounds 57.5 pounds 43.4 pounds not specified 47.9 pounds 49.8 pounds
Size 20-Inch not specified 20-Inch, 5-Blade 2-in-1 144cc Hand Push 20" 20-Inch With Catcher 20", 5-blade 20" Mower (2 x 4.0Ah) 20-in. 20 Inch-144cc-5 Position 20" Self-Propelled Mower (2 x 4.0Ah) 20 Inch-144cc Gas Mower not specified not specified not specified
Color Orange not specified Green Blue Blue Orange/Black Gray Green Red, Black Blue Red & Black silver Multi Black, Red Red
Model LMRM2001 not specified 2000-20S TL-TMA-0557 LSPG-L4 WBLM-001-20 2001-20EW MO48L4210 CMEMW213 GCJ-LSPG-L5 MB2420SA LSPG-L5-006 SM4910C-11 CMCMW220P2 YYJ078LM51C4

Is a 20-inch cutting width worth it?

A 20-inch cutting width dictates how much grass you cut in a single pass. This width serves small yards and properties up to half an acre. The 20-inch format spans manual 5-blade reels, corded electric motors, 144cc gas engines, and 40V cordless battery systems. Deck options support side discharge, bagging, or mulching functions across standard lawn layouts. Choosing a 20-inch deck gives you broad cutting passes while fitting residential storage footprints.

Worth it if

  • You maintain a small yard or a lawn up to half an acre.
  • You want a choice between manual reel, gas, corded, and battery power sources.
  • You require versatile clipping disposal including mulching, bagging, or side discharge.

Skip it if

  • You have garden gates or turf pathways narrower than 20 inches.
  • You maintain grass taller than 3 inches using a manual reel model.

How We Picked 20-Inch Mowers

To build this guide to the best 15 20-inch lawn mowers, we selected models whose published Amazon listings confirm a 20-inch cutting width in their title or feature list. Each mower is included strictly using its published specifications, without physical testing or handling. To prevent duplicates, we include only one variant per product family.

We list products in stock first, then by Amazon sales rank to place better-selling products first. You can use reported specs such as drive type, power source, and deck material to choose the right cut for your lawn.

How to Choose a 20-Inch Mower

  1. Match Your Power Source

    You must choose between manual, corded, battery, and gas power sources. Manual reel options need zero fuel or charging cycles, cutting turf purely through mechanical blades. Corded electric units like the CRAFTSMAN CMEMW213 run continuously without recharging batteries as long as you remain close to an outdoor electrical outlet. Gas models utilize 144cc engines that eliminate run-time limits but require fuel storage and engine upkeep. Cordless battery models rely on rechargeable packs. Check your yard layout and access to outlets before selecting a system.

  2. Compare Battery Voltage and Capacity

    Battery runtime and power output depend on listed voltage and amp-hour ratings. A 40V platform with higher amp-hour figures provides sustained cutting power across thicker turf. For example, the Skil SM4910C-11 specifies a 40V platform paired with a 6.0 Ah battery, which yields runtimes up to 50 minutes per charge. Other setups operate with dual 24V packs or 4.0 Ah and 5.0 Ah capacities. Check the total voltage rating and the amp-hour spec to ensure the pack size supports your yard size without mid-job pauses.

  3. Evaluate Mowing Function Options

    Mowing functions determine how your deck manages clippings after the blade cuts them. Certain entry-level gas models, like the SENIX GCJ-LSPG-L5, rely exclusively on side discharge, which scatters clippings directly back onto the lawn surface. If you prefer collecting grass to prevent thatch buildup, check the specifications for bagging capability or included catchers. Other mowers provide mulching or complete 3-in-1 capability that lets you bag, mulch, or side-discharge as grass conditions shift. Verify the listed mowing functions match your cleanup routine.

  4. Check Height Adjustment Range

    Height adjustment controls let you adapt your cut to changing seasonal grass growth. Look at the number of height settings and the adjustment mechanism listed on the spec sheet. The LawnMaster LMRM2001 offers nine cut adjustments, giving you fine control across different mowing heights. In contrast, basic models offer three-position or five-position adjustments. Also check whether the mower uses a single lever to raise all wheels simultaneously or requires dual levers to adjust the front and rear axles separately.

  5. Inspect Deck Construction Material

    Deck material affects the longevity and impact resistance of your machine during routine operation. When reviewing specifications, check whether the deck specifies steel construction. Models such as the Greenworks MO48L4210 list a durable steel deck, which resists impacts from hidden rocks, roots, and yard debris better than lightweight materials. While steel construction adds overall weight to the frame, it maintains rigid cutting alignment across rough turf. Choose a steel deck if you prioritize physical durability against debris strikes in your lawn.

  6. Identify Motor Type Specifications

    When choosing an electric or cordless mower, check whether the motor type is brushless. Brushless motors, such as the one specified on the PowerSmart MB2420SA, provide efficient power transfer from the battery to the cutting blade. This design eliminates mechanical carbon brushes that wear down over time, reducing internal friction and heat generation during heavy grass passes. If you select a battery-powered 20-inch model, verifying brushless motor technology ensures the drive system optimizes battery draw while operating across thick lawn turf.

Frequently asked questions

Which 20-inch lawn mowers offer self-propelled drive?

The PowerSmart MB2420SA and the Skil SM4910C-11 provide self-propelled drive among the listed 20-inch models. Both mowers feature 40V brushless motors that propel the wheels without requiring you to push the entire machine manually. The PowerSmart uses two 4.0 Ah batteries, while the Skil model operates on a single 6.0 Ah battery and features variable-speed propulsion controls.

How much do 20-inch gas push mowers weigh?

Listed 20-inch gas push mowers weigh between 39.3 pounds and 51 pounds when you maneuver them across your lawn. The SENIX LSPG-L4 is the lightest gas model at 39.3 pounds, while two other SENIX mowers weigh 43.4 pounds each. The Baococo gas mower weighs 49.8 pounds, and the BILT HARD TL-TMA-0557 reaches 51 pounds. Each features a 144cc engine.

What battery capacities come with cordless 20-inch mowers?

Battery configurations on cordless 20-inch mowers range from 4.0 Ah packs up to 6.0 Ah packs. If you choose the Greenworks 48V unit, it uses two 24V 4.0 Ah batteries, while the PowerSmart 40V model includes two 4.0 Ah packs. The CRAFTSMAN CMCMW220P2 provides two 5.0 Ah batteries for up to 50 minutes of runtime. The Skil SM4910C-11 includes a single 6.0 Ah battery.

Which 20-inch lawn mowers have steel decks?

Several gas, cordless, and manual 20-inch mowers specify steel deck construction. Gas options include both BILT HARD models, the Baococo 144cc push mower, and the SENIX GCJ-LSPG-L5. For battery equipment, the Greenworks 48V push mower MO48L4210 uses a steel deck. If you prefer manual mowing, the Walensee WBLM-001-20 pairs a steel deck with nine height adjustments and an included grass catcher.

What clipping disposal functions do 20-inch lawn mowers support?

Clipping disposal options vary across 20-inch models, offering dedicated side discharge, bagging, or multi-function setups. Gas options like the BILT HARD GV3RK1KJ and SENIX GCJ-LSPG-L5 provide side discharge. The Walensee reel mower and CRAFTSMAN CMCMW220P2 provide bagging functionality. If you need multiple disposal methods, the corded CRAFTSMAN CMEMW213, cordless PowerSmart MB2420SA, and Skil SM4910C-11 offer 3-in-1 clipping management.

What motor types power cordless 20-inch lawn mowers?

Cordless 20-inch lawn mowers on this list utilize brushless electric motors. Brushless motors power the Greenworks 48V MO48L4210, the PowerSmart 40V MB2420SA, the CRAFTSMAN V20 CMCMW220P2, and the Skil 40V SM4910C-11. These brushless designs run without carbon brushes, converting stored power from compatible 20V, 24V, or 40V battery packs to turn cutting blades and support drive systems when you mow.

How many height adjustment settings do 20-inch lawn mowers provide?

Height adjustments on 20-inch mowers range from three positions up to nine positions depending on the model you select. The SENIX LSPG-L4 provides three settings, while the SENIX GCJ-LSPG-L5 and LSPG-L5-006 offer five settings. The BILT HARD TL-TMA-0557 uses eight settings. If you choose manual mowing, both the LawnMaster LMRM2001 and Walensee WBLM-001-20 reel mowers provide nine cut height settings.

See also