As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Best SENIX Push Lawn Mowers: 14 Spec-Based Picks

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

Finding the best SENIX push lawn mowers requires looking past marketing claims and focusing on the specs published on the listings. We compared 14 models to help you choose based on measurable data. The top pick is the SENIX 20-Inch 144cc Gas Push Lawn Mower, which leads with an exceptionally low 39.3-pound total weight. This lightweight design makes it easier to maneuver in smaller yards without sacrificing cutting power. Each selection is ranked by specific attributes like deck size, power source, and overall mass. Use this guide to decide which mower fits your yard size and maintenance preferences.

Quick picks

#ProductBest forPrice
1 SENIX 20-Inch 144cc Gas Push Lawn Mower Best overall lightweight gas push mowing in smaller yards Check price of SENIX 20-Inch 144cc Gas Push Lawn Mower on Amazon
2 SENIX 18-Inch 144 cc Gas Push Mower Best budget small lawns and tight spaces Check price of SENIX 18-Inch 144 cc Gas Push Mower on Amazon
3 SENIX 21-Inch Gas Push Lawn Mower Also great wide-deck mulching on uneven push-mowed lawns Check price of SENIX 21-Inch Gas Push Lawn Mower on Amazon
4 SENIX 20-Inch 144cc Gas Push Mower Also great side-discharge mowing on yards with gentle slopes Check price of SENIX 20-Inch 144cc Gas Push Mower on Amazon
5 SENIX 21-Inch 144cc Push Gas Lawn Mower Also great Uneven yards needing wide 2-in-1 gas mowing Check price of SENIX 21-Inch 144cc Push Gas Lawn Mower on Amazon
6 SENIX 20-Inch 144cc Gas Push Lawn Mower simple side-discharge mowing on medium lawns Check price of SENIX 20-Inch 144cc Gas Push Lawn Mower on Amazon
7 SENIX 60V 21-Inch Cordless Push Mower medium to large lawns needing cordless versatility Check price of SENIX 60V 21-Inch Cordless Push Mower on Amazon
8 SENIX 17-Inch 40V Cordless Push Mower Best 40v small to medium yards needing cordless mowing Check price of SENIX 17-Inch 40V Cordless Push Mower on Amazon
9 SENIX 20-Inch 144cc Gas Push Mower Simple side-discharge mowing on level lawns Check price of SENIX 20-Inch 144cc Gas Push Mower on Amazon
10 SENIX 21-Inch Gas Push Lawn Mower rough yards needing wide mulching cuts Check price of SENIX 21-Inch Gas Push Lawn Mower on Amazon
11 SENIX 20-Inch 144cc Gas Push Mower Best mulching flat yards needing simple gas cutting Check price of SENIX 20-Inch 144cc Gas Push Mower on Amazon
12 SENIX 21-Inch 60V Cordless Push Mower Best 60v half-acre yards needing battery-powered push mowing Check price of SENIX 21-Inch 60V Cordless Push Mower on Amazon
13 SENIX 21-Inch Gas Push Lawn Mower yards needing a durable steel deck Check price of SENIX 21-Inch Gas Push Lawn Mower on Amazon
14 SENIX 60V 21-Inch Cordless Push Lawn Mower Best premium medium to large lawns needing cordless versatility Check price of SENIX 60V 21-Inch Cordless Push Lawn Mower on Amazon

The best fit for you

Our 14 picks

Best overall

SENIX 20-Inch 144cc Gas Push Lawn Mower

Best for: lightweight gas push mowing in smaller yards

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

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

This SENIX gas push mower features a 20-inch cutting deck paired with a 144cc four-cycle engine. Weighing 39.3 pounds, it provides a lightweight push setup supported by 7-inch front and rear wheels. You get three cutting height positions ranging from 1.35 to 3.15 inches. It suits you if you need a nimble, fuel-powered mower for small to medium yards without managing battery charge cycles.

Pros

  • Weighs 39.3 pounds for easy manual pushing and maneuvering
  • 144cc 4-cycle gas engine requires no battery charging
  • 20-inch cutting deck covers ground efficiently in tight spaces
  • Includes engine oil, assembly tools, and a 2-year warranty

Cons

  • Limited to three preset cutting height settings
  • Manual push drive provides no self-propelled assistance
  • Requires ongoing fuel and engine oil maintenance

Good fit if

  • You want a lightweight gas push mower under 40 pounds.
  • You need a 20-inch deck to navigate narrow spaces and obstacles.
  • You prefer gas runtime over battery recharge intervals.

Skip if

  • You want more than three cutting height options.
  • You need a self-propelled drive system for steep hills.
  • You prefer a battery-powered mower with zero engine emissions.

Verdict: SENIX 20-Inch 144cc Gas Push Lawn Mower delivers dependable cutting with an exceptionally low 39.3-pound total weight. It is a straightforward push machine for yards where simple operation matters more than height versatility.

Best budget

SENIX 18-Inch 144 cc Gas Push Mower

Best for: small lawns and tight spaces

Drive Type
Push (what this guide is about)
Power Source
Gas
Cutting Width
18 in
Cutting Height
1.2-3.15 in, 3 positions
Mowing Function
Side discharge
Application
Yard, Lawn

View on Amazon: SENIX 18-Inch 144 cc Gas Push Mower Affiliate link

This push mower pairs a 144 cc 4-cycle gas engine with a compact 18-inch cutting width. At 37.6 pounds, the lightweight build and 7-inch rear wheels help you steer through tight corners and small yards with minimal effort. It offers side-discharge mowing and three cutting heights from 1.2 to 3.15 inches. It suits you if you need a straightforward, manageable gas-powered push machine for smaller turf areas.

Pros

  • Lightweight 37.6-pound build for easy maneuvering
  • Compact 18-inch cutting deck fits narrow spaces
  • 144 cc 4-cycle gas engine
  • Side discharge with vortex tunnel spreads clippings evenly

Cons

  • Only three cutting height positions from 1.2 to 3.15 inches
  • Single mowing function with side discharge only
  • Narrower 18-inch cut path requires more passes than 20-inch models

Good fit if

  • You have a small lawn with tight corners and narrow gates.
  • You want a lightweight gas push mower under 40 pounds.
  • You prefer side discharging clippings instead of bagging.

Skip if

  • You want mulching or bagging mowing options.
  • You need more than three cutting height adjustments.
  • You have a larger yard that requires a wider deck to finish faster.

Verdict: SENIX 18-Inch 144 cc Gas Push Mower provides 4-cycle gas power in a lightweight, compact footprint tailored for smaller lawns. Its side-discharge setup and simple three-position deck keep operation straightforward without extra bulk.

Also great

SENIX 21-Inch Gas Push Lawn Mower

Best for: wide-deck mulching on uneven push-mowed lawns

Drive Type
Push (what this guide is about)
Power Source
Gas
Cutting Width
21 in
Cutting Height
1.25"–3.75", 6 positions
Mowing Function
2-in-1
Application
Yard, Garden, Lawn

View on Amazon: SENIX 21-Inch Gas Push Lawn Mower Affiliate link

This gas push mower pairs a 144cc 4-cycle engine with a 21-inch cutting deck and a 2-in-1 setup for mulching and side discharge. Dual levers adjust cutting height across six positions between 1.25 and 3.75 inches. Its 11-inch rear wheels assist with pushing over uneven lawns. It suits you if you want wide-path mulching without dealing with battery runtimes.

Pros

  • 21-inch cutting width covers more ground per pass
  • 144cc 4-cycle gas engine eliminates battery charging
  • Dual-lever height adjustment with 6 positions from 1.25 to 3.75 inches
  • Oversized 11-inch rear wheels paired with 8-inch front wheels

Cons

  • No rear bagger included for collecting clippings
  • Push drive requires manual effort on inclines
  • Weighs 50 pounds without fuel

Good fit if

  • You want a wide 21-inch mulching deck with side-discharge capability.
  • You prefer gas power over maintaining cordless tool batteries.
  • You need 11-inch rear wheels to roll over uneven yard terrain.

Skip if

  • You want a collection bag to collect grass clippings.
  • You need a self-propelled drive system for steep grades.
  • You prefer a cordless electric motor.

Verdict: SENIX 21-Inch 144cc Gas Push Lawn Mower provides a wide cut, high rear wheels, and dedicated 2-in-1 mulching and discharge capability. It delivers straightforward gas power for yards up to half an acre.

Also great

SENIX 20-Inch 144cc Gas Push Mower

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

Drive Type
Push (what this guide is about)
Power Source
Gas, 144cc 4-cycle OHV
Cutting Width
20 in
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 Affiliate link

This push mower pairs a 144cc 4-cycle OHV gas engine with a 20-inch steel cutting deck. You get five cutting heights ranging from 1.25 to 3.75 inches, equal 7-inch front and rear wheels, and a side discharge setup. Weighing 43.4 pounds, it gives you a straightforward gas-powered push option if you manage slopes up to 15 degrees and prefer discharging grass clippings directly onto the lawn.

Pros

  • 144cc 4-cycle OHV gas engine
  • 20-inch steel cutting deck
  • 5-position cutting height adjustment from 1.25 to 3.75 inches
  • Weighs 43.4 pounds

Cons

  • Side discharge only with no bagging or mulching options listed
  • Uniform 7-inch rear wheels instead of oversized rear wheels

Good fit if

  • You want a dedicated side-discharge gas mower with a steel deck.
  • You cut grass between 1.25 and 3.75 inches.
  • You mow terrain with gentle slopes up to 15 degrees.

Skip if

  • You need mulching or bagging capabilities.
  • You prefer cordless battery power or self-propelled drive.

Verdict: SENIX 20-Inch 144cc Gas Push Lawn Mower delivers dedicated side-discharge cutting with a 20-inch steel deck and five height settings. It provides straightforward gas operation for yards where bagging or mulching is unnecessary.

Also great

SENIX 21-Inch 144cc Push Gas Lawn Mower

Best for: Uneven yards needing wide 2-in-1 gas mowing

Drive Type
Push (what this guide is about)
Power Source
Gas
Cutting Width
21 in
Cutting Height
1.25" to 3.75", 6 positions
Mowing Function
2-in-1
Application
Yard, Garden, Lawn

View on Amazon: SENIX 21-Inch 144cc Push Gas Lawn Mower Affiliate link

This gas push mower pairs a 144cc 4-cycle engine with a 21-inch cutting deck. It features an 8-inch front and 11-inch rear wheel setup to help you roll across uneven ground. The 2-in-1 design handles mulching and side discharge. With a 45-pound weight and six cutting heights from 1.25 to 3.75 inches, it suits you if you want wide cutting passes on rougher lawns.

Pros

  • 21-inch cutting width covers broad ground per pass
  • 11-inch rear wheels improve mobility on uneven turf
  • 6-position height adjustment spans 1.25 to 3.75 inches
  • 4-cycle engine eliminates fuel and oil mixing
  • 45-pound overall weight eases manual pushing

Cons

  • Manual push drive lacks self-propelled assistance
  • No collection bag included for grass bagging
  • Requires manual assembly before operation

Good fit if

  • You want tall rear wheels to navigate uneven turf.
  • You prefer straight gas without mixing oil.
  • You only mulch or side discharge grass clippings.

Skip if

  • You need a bagging system to collect clippings.
  • You prefer self-propelled drive over manual pushing.
  • You want a cordless battery platform instead of gas.

Verdict: SENIX 21-Inch 144cc Gas Push Lawn Mower delivers a broad cutting path and tall rear wheels for rougher turf. It offers practical 2-in-1 mowing without the hassle of fuel mixing.

SENIX 20-Inch 144cc Gas Push Lawn Mower

Best for: simple side-discharge mowing on medium lawns

Drive Type
Push (what this guide is about)
Power Source
Gas, 144cc 4-cycle
Cutting Width
20 in
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 Affiliate link

You get a traditional gas push mower equipped with a 144cc 4-cycle engine and a 20-inch cutting deck. It features a single-lever height adjuster offering five cutting positions from 1.25 to 3.75 inches. Operating with a dedicated side-discharge chute and weighing 43.4 pounds, this mower suits you if you maintain medium-sized lawns without stopping to recharge batteries or empty collection bags.

Pros

  • 144cc 4-cycle gas engine eliminates battery charging downtime
  • 20-inch cutting deck provides broad cutting coverage
  • 5-position single-lever height adjustment from 1.25 to 3.75 inches
  • Lightweight push profile at 43.4 pounds

Cons

  • Side discharge only with no mulching or collection bag options listed
  • Requires gas fuel and engine oil maintenance

Good fit if

  • You want continuous gas power across medium yards without battery run-time limits.
  • You prefer side-discharging clippings rather than collecting them.
  • You want single-lever control over your cutting height.

Skip if

  • You need bagging or mulching options for lawn debris.
  • You prefer zero-emission battery electric equipment.

Verdict: SENIX 20-Inch 144cc Gas Push Lawn Mower delivers dependable gas power with a wide 20-inch cut and simple single-lever height control. It handles continuous mowing sessions where dedicated side discharge fits your maintenance routine.

SENIX 60V 21-Inch Cordless Push Mower

Best for: medium to large lawns needing cordless versatility

Drive Type
Push (what this guide is about)
Power Source
60V battery
Cutting Width
21 in
Voltage
60V
Battery Capacity
6.0Ah
Cutting Height
1.5–4 in, 7 positions

View on Amazon: SENIX 60V 21-Inch Cordless Push Mower Affiliate link

This cordless push mower operates on a 60V 6.0Ah battery system. It gives you a 21-inch cutting width, 3-in-1 capability for bagging into a 1.7-bushel bag, mulching, or side discharging, and 7 height settings from 1.5 to 4 inches. Weighing 54 pounds with manual push operation, it suits you if you want strong battery capacity and broad deck coverage for medium to large yards without gas.

Pros

  • High-capacity 60V 6.0Ah battery with on-pack charge indicator
  • 21-inch cutting deck covers medium to large yards efficiently
  • 3-in-1 functionality supports mulching, side discharge, and a 1.7-bushel bag
  • 7 cutting height positions adjustable from 1.5 to 4 inches

Cons

  • Weighs 54 pounds without self-propelled drive assistance
  • Runtime in minutes is not specified in published ratings

Good fit if

  • You want a wide 21-inch battery mower with a high-capacity 60V 6.0Ah pack.
  • You need versatile grass management across mulching, side discharge, and bagging.
  • You prefer a push mower with 7 height settings between 1.5 and 4 inches.

Skip if

  • You need a self-propelled drive to reduce pushing a 54-pound machine.
  • You prefer a gas engine with continuous runtime from fuel refills.

Verdict: SENIX 60V 21-Inch Cordless Push Mower pairs a 60V 6.0Ah battery with a broad 21-inch 3-in-1 deck for capable, emission-free yard maintenance. It gives you flexible height and discharge choices without the maintenance of gas equipment.

Best 40v

SENIX 17-Inch 40V Cordless Push Mower

Best for: small to medium yards needing cordless mowing

Drive Type
Push (what this guide is about)
Power Source
40V battery
Cutting Width
17 in
Voltage
40V
Battery Capacity
5Ah
Runtime
up to 45 min

View on Amazon: SENIX 17-Inch 40V Cordless Push Mower Affiliate link

This cordless walk-behind mower pairs a 17-inch poly deck with a 40V brushless motor running on two 20V batteries. You get up to 45 minutes of runtime, push-button starting, and a 2-in-1 design for mulching or bagging with the included 13-gallon collection bag. At 36 pounds with folding handles, it offers easy maneuverability and compact storage for small to medium yards.

Pros

  • Weighs 36 pounds for lightweight handling
  • Up to 45 minutes of runtime on dual 20V batteries
  • Single-lever height adjustment from 1 to 3 inches across 6 positions
  • Brushless motor with ECO mode to preserve runtime

Cons

  • Lacks side discharge capability
  • Narrow 17-inch cutting deck requires more passes than wider models
  • Maximum cutting height stops at 3 inches

Good fit if

  • You want a lightweight 36-pound push mower that folds for storage.
  • You maintain a small to medium yard manageable within 45 minutes.
  • You prefer push-button battery operation over gas maintenance.

Skip if

  • You need side discharge functionality instead of mulching or bagging.
  • You want a cutting height taller than 3 inches.
  • You have a large yard requiring a wider deck width than 17 inches.

Verdict: SENIX 17-Inch 40V Cordless Push Mower delivers convenient battery-powered cutting with a lightweight poly deck and simple single-lever height control. It is a practical fit for small to medium properties that do not need side discharge.

SENIX 20-Inch 144cc Gas Push Mower

Best for: Simple side-discharge mowing on level lawns

Drive Type
Push (what this guide is about)
Power Source
Gas, 4-cycle
Cutting Width
20 in
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 Affiliate link

This SENIX push mower pairs a 144cc 4-cycle gas engine with a 20-inch steel deck. You get a dedicated side-discharge setup weighing 43.4 pounds, along with 7-inch front and rear wheels. Its five-position cutting height adjustment spans from 1.25 to 3.75 inches. If you want a straightforward gas push machine for basic yard trimming without handling bagging kits, this compact unit fits your property.

Pros

  • 144cc 4-cycle engine operates without mixing oil and fuel
  • 5-position cutting height ranges from 1.25 to 3.75 inches
  • Durable steel cutting deck with 20-inch clearing path
  • Total weight is 43.4 pounds for manageable manual pushing

Cons

  • Supports side discharge only, lacking mulching and bagging features
  • Uses identical 7-inch wheels front and rear instead of larger rear wheels

Good fit if

  • You prefer side-discharging grass clippings instead of bagging.
  • You want a 20-inch gas mower that weighs under 45 pounds.
  • You require cutting heights between 1.25 and 3.75 inches.

Skip if

  • You need mulching or grass-collection options.
  • You prefer self-propelled assistance instead of manual push power.

Verdict: SENIX 20-Inch 144cc Gas Push Mower delivers simple side-discharge mowing with a rugged steel deck and five cutting heights. It serves properties where you want reliable four-stroke gas power without extra collection attachments.

SENIX 21-Inch Gas Push Lawn Mower

Best for: rough yards needing wide mulching cuts

Drive Type
Push (what this guide is about)
Power Source
gas
Cutting Width
21 in
Cutting Height
1.25-3.75 in, 6 positions
Mowing Function
mulch, side discharge
Application
Yard, Garden, Lawn

View on Amazon: SENIX 21-Inch Gas Push Lawn Mower Affiliate link

This push mower pairs a 144cc 4-cycle gas engine with a 21-inch cutting deck for wide passes through your lawn. It features 11-inch rear wheels and 8-inch front wheels to roll over uneven turf, along with a dual-lever height adjuster spanning 1.25 to 3.75 inches across 6 positions. It supports mulching and side discharge, making it a dependable choice if you need a wide manual gas mower without collection bags.

Pros

  • 21-inch cutting deck clears wide paths per pass
  • High-wheel setup with 8-inch front and 11-inch rear wheels
  • 144cc 4-cycle gas engine requires no oil-gas mixing
  • 6 cutting positions ranging from 1.25 to 3.75 inches

Cons

  • No grass collection bag or rear bagging capability
  • Manual push design lacks self-propelled drive
  • Dual-lever height system requires adjusting both levers

Good fit if

  • You want oversized rear wheels to roll across bumpy lawns.
  • You prefer mulching or side discharging clippings instead of bagging.
  • You need a wide 21-inch cut with 4-stroke gas power.

Skip if

  • You need a grass bagger to collect your clippings.
  • You prefer a cordless battery system over gas maintenance.
  • You want self-propelled assistance for slopes.

Verdict: SENIX 21-Inch High-Wheel Gas Push Mower delivers a wide cutting path and smooth handling over bumpy terrain with its large rear wheels. It suits yards where you want reliable gas mulching or side discharge without the complexity of a collection bag.

Best mulching

SENIX 20-Inch 144cc Gas Push Mower

Best for: flat yards needing simple gas cutting

Drive Type
Push (what this guide is about)
Power Source
Gas
Cutting Width
20 in
Deck Material
Steel
Cutting Height
1.25-3.75 in, 5 positions
Mowing Function
2-in-1 (mulch, discharge)

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

This push mower pairs a 144cc 4-cycle OHV gas engine with a 20-inch steel cutting deck. You get five manual height adjustments from 1.25 to 3.75 inches to handle changing grass conditions across the season. At 43.4 pounds with 7-inch wheels, it offers manageable manual control without the complexity of a drive system. It suits you if you maintain small to medium lawns and prefer straightforward gas power.

Pros

  • 144cc 4-cycle OHV engine requires no oil-gas mixing
  • 20-inch steel deck with high-carbon steel blade
  • 5-position cutting height range from 1.25 to 3.75 inches
  • Total weight of 43.4 pounds allows straightforward manual pushing
  • Covered by a 2-year limited warranty

Cons

  • Manual push design lacks self-propelled drive assistance
  • Standard 7-inch rear wheels provide less leverage than high-wheel models
  • No grass collection bag included in published specifications

Good fit if

  • You want a straightforward 20-inch steel deck push mower with gas power.
  • You prefer a 4-cycle engine that eliminates fuel mixing.
  • You need adjustable cutting heights between 1.25 and 3.75 inches.

Skip if

  • You need a self-propelled drive to reduce pushing effort on steep slopes.
  • You prefer a battery-powered model with zero exhaust emissions.
  • You require a bagging attachment to collect lawn clippings.

Verdict: SENIX 20-Inch 144cc Gas Push Mower delivers reliable 4-cycle power with a durable steel deck and five practical height positions. It is a solid choice if you want simple push mowing without the weight or complexity of drive assist.

Best 60v

SENIX 21-Inch 60V Cordless Push Mower

Best for: half-acre yards needing battery-powered push mowing

Drive Type
Push (what this guide is about)
Power Source
Cordless
Cutting Width
21 in
Voltage
60V
Battery Capacity
6.0Ah
Runtime
60 min

View on Amazon: SENIX 21-Inch 60V Cordless Push Mower Affiliate link

This SENIX cordless push mower runs on a 60V battery system and features a 21-inch cutting deck. You get 3-in-1 capability for mulching, bagging with a 1.7-bushel rear bag, or side discharge. It offers seven cutting heights from 1.5 to 4 inches, LED headlights for dim lighting, and a push-button start. It suits you if you want battery power and wider cutting passes for yards up to a half-acre.

Pros

  • 21-inch cutting width for broader coverage
  • 3-in-1 options for bagging, mulching, and side discharge
  • Seven cutting height adjustments between 1.5 and 4 inches
  • High-lumen LED headlights for early morning or evening mowing

Cons

  • Push drive requires manual effort across its 54-pound weight
  • Battery requires a full charge prior to first use

Good fit if

  • You want a 60V cordless mower rated for lawns up to a half-acre.
  • You need mulching, bagging, and side discharge options in one deck.
  • You mow during early mornings or late evenings and need headlights.

Skip if

  • You require a self-propelled drive system rather than a manual push.
  • You manage a lawn larger than a half-acre.

Verdict: SENIX 21-Inch 60V Cordless Push Mower provides quiet battery operation, 3-in-1 clipping options, and integrated headlights for yards up to a half-acre. It gives you flexible deck heights and wide cutting coverage without gas engine maintenance.

SENIX 21-Inch Gas Push Lawn Mower

Best for: yards needing a durable steel deck

Drive Type
Push (what this guide is about)
Power Source
Gas
Cutting Width
21 in
Deck Material
Steel
Cutting Height
1.25 to 3.75 in, 6 positions
Mowing Function
3-in-1

View on Amazon: SENIX 21-Inch Gas Push Lawn Mower Affiliate link

This push lawn mower gives you a 21-inch high-strength steel deck powered by a 144cc 4-cycle gas engine. It offers 3-in-1 discharge flexibility with mulching, side discharge, and a 1.7-bushel rear collection bag. Six cutting heights adjust from 1.25 to 3.75 inches via dual levers. It suits you if you maintain yards up to 1/3 acre and prefer the impact resistance of a metal deck.

Pros

  • 21-inch high-strength steel deck with vortex tunnel design
  • 3-in-1 capability with rear bagger, mulch plug, and side discharge chute
  • 11-inch rear wheels combined with 8-inch front wheels
  • 6 cutting height positions from 1.25 to 3.75 inches

Cons

  • Dual-lever height mechanism requires adjusting two separate points
  • Manual push operation lacks self-propulsion assistance
  • Gas engine requires fuel and oil maintenance

Good fit if

  • You want a durable steel deck for lawns up to 1/3 acre.
  • You need 3-in-1 versatility with bagging, mulching, and side discharge.
  • You prefer larger 11-inch rear wheels for maneuvering over uneven ground.

Skip if

  • You want self-propelled drive to reduce pushing effort.
  • You prefer single-lever height adjustment for quick changes.
  • You want battery-powered operation without gas engine maintenance.

Verdict: SENIX 21-Inch 144cc Steel Deck Push Mower provides durable steel construction and 3-in-1 clipping management for yards up to 1/3 acre. It delivers dependable gas-powered cutting with simple dual-lever height adjustments.

Best premium

SENIX 60V 21-Inch Cordless Push Lawn Mower

Best for: medium to large lawns needing cordless versatility

Drive Type
Push (what this guide is about)
Power Source
Cordless battery
Cutting Width
21 in
Voltage
60V
Battery Capacity
6.0 Ah
Cutting Height
1.5-4 in, 7 positions

View on Amazon: SENIX 60V 21-Inch Cordless Push Lawn Mower Affiliate link

This SENIX cordless push mower runs on a 60V 6.0Ah battery paired with a brushless motor. You get a 21-inch cutting deck, 3-in-1 capabilities for mulching, bagging, or side discharge, and seven height settings between 1.5 and 4 inches. Weighing 54 pounds, it suits you if you need battery-powered cutting width for medium to large lawns without maintaining gas engines.

Pros

  • 21-inch cutting deck covers medium to large yards
  • 60V 6.0Ah battery with brushless motor
  • 3-in-1 system supports mulching, bagging, and side discharge
  • 7-position cutting height adjustment from 1.5 to 4 inches

Cons

  • Push-drive system lacks self-propelled motor assist
  • 54-pound weight requires full manual pushing effort

Good fit if

  • You want a 21-inch cordless deck powered by a 60V 6.0Ah battery.
  • You need 3-in-1 flexibility for bagging, mulching, or side discharge.
  • You already use or plan to use SENIX X6 tools.

Skip if

  • You prefer a self-propelled drive mechanism for hills or uneven ground.
  • You want a compact mower weighing under 50 pounds.

Verdict: SENIX 60V 21-Inch Cordless Brushless Push Mower pairs high-voltage battery power with a broad 21-inch deck for clean yard maintenance. Its 3-in-1 discharge design and 7-position height adjustment deliver flexible cutting without gas or cords.

Specifications side by side

Spec SENIX 20-Inch 144cc Gas Push Lawn Mower SENIX 18-Inch 144 cc Gas Push Mower SENIX 21-Inch Gas Push Lawn Mower SENIX 20-Inch 144cc Gas Push Mower SENIX 21-Inch 144cc Push Gas Lawn Mower SENIX 20-Inch 144cc Gas Push Lawn Mower SENIX 60V 21-Inch Cordless Push Mower SENIX 17-Inch 40V Cordless Push Mower SENIX 20-Inch 144cc Gas Push Mower SENIX 21-Inch Gas Push Lawn Mower SENIX 20-Inch 144cc Gas Push Mower SENIX 21-Inch 60V Cordless Push Mower SENIX 21-Inch Gas Push Lawn Mower SENIX 60V 21-Inch Cordless Push Lawn Mower
Power Source Gas Gas Gas Gas, 144cc 4-cycle OHV Gas Gas, 144cc 4-cycle 60V battery 40V battery Gas, 4-cycle gas Gas Cordless Gas Cordless battery
Cutting Width 20 in 18 in 21 in 20 in 21 in 20 in 21 in 17 in 20 in 21 in 20 in 21 in 21 in 21 in
Voltage not stated not stated not stated not stated not stated not stated 60V 40V not stated not stated not stated 60V not stated 60V
Drive Type Push Push Push Push Push Push Push push Push push Push Push Push Push
Battery Capacity not stated not stated not stated not stated not stated not stated 6.0Ah 5Ah not stated not stated not stated 6.0Ah not stated 6.0 Ah
Runtime not stated not stated not stated not stated not stated not stated not stated up to 45 min not stated not stated not stated 60 min not stated not stated
Deck Material not stated not stated not stated Steel not stated not stated not stated poly Steel not stated Steel not stated Steel not stated
Cutting Height 1.35-3.15 in, 3 positions 1.2-3.15 in, 3 positions 1.25"–3.75", 6 positions 1.25-3.75 in, 5 positions 1.25" to 3.75", 6 positions 1.25-3.75 in, 5 positions 1.5–4 in, 7 positions 1-3 in, 6 positions 1.25-3.75 in, 5 positions 1.25-3.75 in, 6 positions 1.25-3.75 in, 5 positions 1.5-4 in, 7 positions 1.25 to 3.75 in, 6 positions 1.5-4 in, 7 positions
Mowing Function not stated Side discharge 2-in-1 Side discharge 2-in-1 Side discharge 3-in-1 2-in-1 Side discharge mulch, side discharge 2-in-1 (mulch, discharge) not stated 3-in-1 3-in-1 (mulch, bag, side discharge)
Motor Type not stated not stated not stated not stated not stated not stated not stated brushless not stated not stated not stated not stated not stated Brushless
Application Yard, Lawn Yard, Lawn Yard, Garden, Lawn Yard, Garden, Lawn Yard, Garden, Lawn Lawn Lawn Lawn Yard, Garden, Lawn Yard, Garden, Lawn Yard, Lawn Yard, Garden, Small Yards, Lawn Lawn Lawn
Size 20" not stated 21Inch 20 Inch-144cc-5 Position 21 Inch-144cc Gas Mower 20 Inch-144cc Gas Mower 21-Inch with 6Ah Battery 17-Inch 20 Inch-144cc 21inch 144cc 144cc 21 Inch 3-IN-1 Gas Mower 21in with 6Ah Battery
Dimensions 25.6 × 21.8 × 13 inches 23.8 × 21.1 × 11.8 inches 32.8 × 22.7 × 15.9 inches 27.2 × 22.2 × 14.2 inches 32.8 × 22.7 × 14.8 inches 27.6 × 14.6 × 22.6 inches 51 × 23 × 15.5 inches 51 × 16.5 × 38 inches 27.2 × 22.2 × 14.2 inches 32.3 × 22.6 × 14.8 inches 27.2 × 22.2 × 14.2 inches 49.8 × 22 × 14.8 inches 33 × 23 × 41 inches 51 × 23 × 15.5 inches
Weight 39.3 pounds 37.6 pounds 50 pounds 43.4 pounds 45 pounds 43.4 pounds 54 pounds 36 pounds 43.4 pounds not stated 43.4 pounds 54 pounds 54.2 pounds 54 pounds
Color Blue Blue Black Blue Blue silver Blue Blue Blue Blue black BLACK Blue Blue
Model LSPG-L4 LSPG1 L6 GCJ-LSPG-L5 LSPG-L6-001 LSPG-L5-006 LPPX6-H LPPX2-M5 GCJ-LSPG-L5 LSPG-L6 L5 LPPX6 AA-M14 LPPX6-H

Key specs to check before buying

  1. Check cutting width carefully

    The cutting width determines how many passes you need to cover your lawn. Wider decks cover more ground per pass but can be harder to maneuver around obstacles. You can choose between 17-inch, 18-inch, 20-inch, or 21-inch options. For example, the SENIX 17-Inch 40V Cordless Push Mower offers a narrower path for tight spaces. The SENIX 21-Inch Gas Push Lawn Mower provides a broader cut for faster coverage on open grass. Select the width that matches your yard size and available storage space.

  2. Decide on gas or cordless power

    You must choose between 144cc gas engines and 40V or 60V battery systems. Gas models like the SENIX 20-Inch 144cc Gas Push Lawn Mower deliver consistent power without worrying about runtime limits. Cordless options like the SENIX 60V 21-Inch Cordless Push Mower offer quiet operation and zero emissions. Gas requires fuel mixing and engine maintenance. Batteries require charging but eliminate exhaust fumes. Your choice depends on whether you prioritize unlimited runtime or cleaner, quieter performance.

  3. Evaluate battery capacity for runtime

    Battery capacity directly impacts how long you can mow before recharging. Higher amp-hour ratings provide longer runtimes. The SENIX 60V 21-Inch Cordless Push Mower includes a 6.0Ah battery for extended use on medium to large lawns. The SENIX 17-Inch 40V Cordless Push Mower suits smaller yards where runtime needs are lower. Check the Ah rating to ensure the mower lasts through your entire property. Larger capacities support wider decks and tougher grass conditions without frequent stops.

  4. Review mowing function options

    Mowing functions determine how clippings are handled. You can choose side discharge, mulching, or 3-in-1 combinations. Side discharge throws grass out the side for quick clearing. Mulching chops clippings fine for natural fertilization. The SENIX 21-Inch Gas Push Lawn Mower offers dedicated mulching capabilities. The SENIX 60V 21-Inch Cordless Push Mower provides 3-in-1 versatility. Select the function that aligns with your lawn care routine and disposal preferences.

  5. Assess deck material durability

    Deck material affects longevity and weight. Steel decks offer superior durability against rocks and debris. The SENIX 21-Inch 144cc Steel Deck Push Mower features a rugged steel construction for long-term use. Poly decks are lighter and resist rust but may wear faster. The SENIX 17-Inch 40V Cordless Push Mower uses a lightweight poly deck. Choose steel for rough terrain and heavy use. Select poly for easier handling and corrosion resistance on smaller, well-maintained lawns.

Frequently asked questions

Does SENIX make a cordless push mower?

Yes, SENIX offers cordless push mowers powered by 40V and 60V batteries. The 60V models, such as the SENIX 60V 21-Inch Cordless Push Mower, include a 6.0Ah battery and a 3-in-1 deck for mulching, bagging, or side discharge. The 40V option, the SENIX 17-Inch Cordless Push Mower, uses a brushless motor and a lighter poly deck for smaller yards.

What is the lightest SENIX push mower?

The SENIX 17-Inch 40V Cordless Push Mower is the lightest at 36 pounds. It features a poly deck and single-lever height control, making it easy to handle for small to medium properties. The SENIX 20-Inch 144cc Gas Push Mower is the next lightest at 39.3 pounds, offering a compact footprint for lighter gas mowing.

Which SENIX mower has the widest cutting deck?

Several SENIX models feature a 21-inch cutting width. These include the SENIX 21-Inch Gas Push Lawn Mower, the SENIX 60V 21-Inch Cordless Push Mower, and the SENIX 21-Inch 60V Cordless Push Mower. The 21-inch deck covers more ground per pass, which is useful for medium to large lawns or uneven terrain requiring wide cuts.

Does SENIX use steel decks on their mowers?

Yes, SENIX uses steel decks on several gas models. The SENIX 21-Inch 144cc Steel Deck Push Mower is explicitly labeled with a durable steel construction. Other gas models, such as the SENIX 20-Inch 144cc Gas Push Mower, also utilize steel decks for durability. Cordless models typically use poly decks to reduce weight.

Can SENIX mowers mulch grass clippings?

Yes, many SENIX push mowers support mulching. The SENIX 21-Inch Gas Push Lawn Mower offers 2-in-1 mulching and discharge capability. The SENIX 60V 21-Inch Cordless Push Mower and the SENIX 21-Inch 60V Cordless Push Mower both provide 3-in-1 options, including mulching. The SENIX 21-Inch 144cc Steel Deck Push Mower also supports 3-in-1 clipping management.

What is the difference between 40V and 60V SENIX mowers?

The 40V SENIX 17-Inch Cordless Push Mower is designed for small to medium yards and weighs 36 pounds. It features a brushless motor and a poly deck. The 60V models, like the SENIX 60V 21-Inch Cordless Push Mower, offer higher voltage power with a 6.0Ah battery, supporting a wider 21-inch deck and heavier-duty performance for medium to large lawns.

How many height settings do SENIX mowers have?

Height settings vary by model. The SENIX 20-Inch 144cc Gas Push Mower (GCJ-LSPG-L5) offers five height positions. The SENIX 21-Inch 144cc Steel Deck Push Mower provides dual-lever adjustments. The SENIX 60V 21-Inch Cordless Brushless Push Mower includes seven-position height adjustment for precise cutting control across different lawn conditions.

Are SENIX push mowers self-propelled?

No, all SENIX mowers in this list are push models. They do not feature self-propelled drive systems. You must push the machine to move it across the lawn. This design keeps the units lighter, with weights ranging from 36 to 54.2 pounds, and simplifies operation for users who prefer manual control.

See also