15 Best Mulching Lawn Mowers, Compared
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Choosing the best mulching lawn mowers requires matching deck width and power to your yard size. This guide compares 15 models using only the specifications published on their listings. The SENIX 21-Inch Gas Push Lawn Mower earns the top spot because its 21-inch cutting deck and 144cc gas engine provide wide cutting coverage without battery runtime limits.
Looking at motor types, deck widths, and battery capacities helps you pick the right balance of run time and weight. This comparison helps you decide which cutting path and power system match your mowing routine.
Quick picks
The best fit for you
- You need wide mulching coverage for mid-sized yards SENIX 21-Inch Gas Push Lawn Mower Its 21-inch cutting deck and 144cc gas engine provide wide mulching passes without battery runtime limits.
- You want higher battery voltage for compact lawns Greenworks 60V 17-Inch Brushless Push Mower A 60V brushless motor and 4.0 Ah battery supply high-voltage cutting across a 17-inch width.
- You prefer continuous corded power with wide cutting CRAFTSMAN 20-Inch Corded Electric Push Mower Its 13-amp electric motor and 20-inch deck provide continuous runtime with a 20.8-pound overall weight.
- You have narrow pathways and tight garden spaces Steelite 13-Inch 20V Dual-Battery Mower The compact 13-inch cutting width and 20V dual-battery platform fit through narrow garden spaces.
Our 15 picks
SENIX 21-Inch Gas Push Lawn Mower
Best for: mid-sized yards needing wide mulching coverage
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 144cc 4-cycle gas
- Cutting Width
- 21 in
- Drive Type
- push
- Cutting Height
- 1.25-3.75 in, 6 positions
- Application
- Lawn
This gas push mower features a 21-inch cutting deck and a 144cc 4-cycle engine designed for yards up to a half acre. Its 2-in-1 deck mulches clippings directly into your turf or switches to side discharge. You adjust cut height between 1.25 and 3.75 inches across six positions using dual levers. It suits you if you need wide cutting width and mulching capability without managing batteries.
Pros
- 21-inch cutting deck covers wide paths
- 144cc 4-cycle engine delivers steady power for up to 0.5-acre lawns
- 11-inch rear wheels combined with 8-inch front wheels for uneven ground
- Dual levers provide six cutting heights from 1.25 to 3.75 inches
- 2-in-1 design supports both mulching and side discharge
Cons
- Push drive requires manual effort without self-propulsion
- Lacks a grass catcher bag for bagging clippings
- Requires dual-lever adjustments rather than a single-point height lever
Good fit if
- You maintain lawns up to half an acre and prefer mulching or side discharge.
- You want a wide 21-inch cutting path to cover ground in fewer passes.
- You need 11-inch rear wheels to help push through uneven terrain.
Skip if
- You want a mower that bags clippings instead of discharging or mulching them.
- You prefer a self-propelled drive system over manual pushing.
- You prefer a battery-powered motor instead of a gas engine.
Verdict: SENIX 21-Inch 144cc Gas Push Lawn Mower delivers a wide 21-inch cutting deck and dedicated mulching or side discharge for mid-sized yards. Its 144cc engine and high rear wheels provide reliable push cutting without battery charging limits.
Litheli 40V 16-Inch Brushless Push Mower
Best for: small to mid-sized yards needing compact storage
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 2x5.0Ah
The Litheli 40V 16-Inch Brushless Push Mower delivers dedicated mulching and bagging in a compact footprint. Its 40V setup runs on two 5.0Ah batteries to give you up to 40 minutes of runtime. A brushless motor powers the 16-inch deck, while a single lever adjusts cutting height across six positions between 25 and 75 millimeters. This mower suits you if you maintain a smaller suburban lawn and need compact storage.
Pros
- Dual 5.0Ah battery system provides up to 40 minutes of runtime
- Brushless motor eliminates spark plug and oil maintenance
- Single-lever height adjustment spans six positions from 25mm to 75mm
- Supports both fine mulching and 50L rear bagging
- Foldable handle enables flat storage in compact spaces
Cons
- Push drive lacks self-propelled motor assist
- Narrow 16-inch cutting path requires more passes than larger decks
- Requires both batteries installed simultaneously to operate
Good fit if
- You need a compact 16-inch deck to maneuver tight lawn borders.
- You want to mulch clippings directly or switch to a 50L collection bag.
- You store your mower under a workbench or inside a small shed.
Skip if
- You want a self-propelled drive system to reduce pushing effort.
- You have a large yard that requires a wider cutting width.
- You need a side-discharge option in addition to mulching and bagging.
Verdict: Litheli 40V 16-Inch Brushless Push Mower delivers clean mulching and quiet battery operation in an easy-to-store format. It is a practical push mower for suburban yards requiring up to 40 minutes of continuous runtime.
Greenworks 60V 17-Inch Brushless Push Mower
Best for: higher-voltage mulching in compact yards
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 17 in
- Voltage
- 60V
- Drive Type
- Push
- Battery Capacity
- 4.0Ah
This Greenworks mower pairs a high-voltage 60V brushless motor with a 17-inch rust-resistant steel deck. Designed for 2-in-1 mulching and bagging, it recycles clippings using a heat-treated steel blade. You get up to 40 minutes of runtime from the included 4.0Ah battery, which recharges in 90 minutes. It suits you if you want higher-voltage mulching in a compact push design.
Pros
- 60V brushless motor provides high-voltage cordless power
- 2-in-1 capability supports mulching and rear bagging
- Rust-resistant 17-inch steel deck with heat-treated blade
- Six-position height adjustment spans 1.5 to 3.15 inches
Cons
- Manual push drive lacks self-propelled assist
- 17-inch cutting path is narrower than standard 21-inch decks
- No side-discharge mode included in the 2-in-1 design
Good fit if
- You want 60V cordless power for mulching small to mid-sized lawns.
- You need a compact 17-inch deck to navigate tight spaces.
- You alternate between mulching and rear bagging.
Skip if
- You need a self-propelled drive system for sloped terrain.
- You prefer a wider deck to finish large areas in fewer passes.
- You require a side-discharge option for tall growth.
Verdict: Greenworks 60V 17-Inch Brushless Push Mower delivers high battery voltage and dedicated mulching performance in a compact footprint. It gives you dependable cordless power without the weight and width of larger machines.
Litheli 40V 16-Inch Brushless Push Mower
Best for: mulching yards up to 1/4 acre
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 2 x 5.0Ah
This Litheli push mower runs on a 40V brushless motor powered by two included 5.0Ah batteries. It offers 2-in-1 mulching and bagging through its 16-inch deck, returning chopped clippings directly to your turf or catching them in a 13-gallon rear bag. With a 28.7-pound weight and up to 40 minutes of runtime, it fits your routine if you manage yards up to 1/4 acre.
Pros
- 2-in-1 mowing deck supports both mulching and rear bagging
- Lightweight 28.7-pound build with folding handle for compact storage
- Two 5.0Ah batteries provide up to 40 minutes of runtime
- Single lever adjusts cutting height across six positions from 0.98 to 2.95 inches
- Included batteries double as portable power banks
Cons
- Lacks a side-discharge mowing option
- Maximum cutting height caps at 2.95 inches
- Manual push drive provides no motorized wheel propulsion
Good fit if
- You maintain a lawn up to 1/4 acre and switch between mulching and bagging.
- You want a lightweight machine under 30 pounds that folds flat for tight storage.
- You prefer one lever to quickly reset your cut height between 0.98 and 2.95 inches.
Skip if
- You need a side-discharge option for handling tall or wet overgrowth.
- You require self-propelled drive wheels to navigate steep inclines.
- You prefer cutting your lawn taller than 2.95 inches.
Verdict: Litheli 40V 16-Inch Brushless Push Mower delivers capable mulching and bagging for lawns up to 1/4 acre. Its light 28.7-pound frame and twin 5.0Ah power packs make it an agile tool for clean yard upkeep.
Litheli 40V 18-Inch Brushless Push Mower
Best for: mulching small to medium yards
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 18 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 2 x 5.0Ah
This cordless push mower features an 18-inch cutting deck and a 40V brushless motor. It runs on two included 5.0Ah batteries with a rapid charger. You get a 2-in-1 deck setup designed for mulching and rear bagging. A single lever adjusts cutting height across six positions. This unit suits you if you maintain small to medium yards and want cordless mulching without gas exhaust or power cords.
Pros
- 40V brushless motor
- Includes two 5.0Ah batteries and a rapid charger
- 18-inch cutting width
- 6-position height adjustment
Cons
- Push drive rather than self-propelled
- No side-discharge option listed
Good fit if
- You have a small to medium yard.
- You want a mower with both mulching and bagging modes.
- You need two 5.0Ah batteries and a charger supplied in the box.
Skip if
- You require a self-propelled drive system.
- You need side discharge functionality.
Verdict: Litheli 18-Inch 40V Cordless Lawn Mower delivers a brushless 40V platform with two 5.0Ah batteries for mulching and bagging. It provides six height settings and an 18-inch deck for small to medium yards.
Litheli 16-Inch Cordless Brushless Push Mower
Best for: mulching yards up to 3,200 square feet
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 16 in
- Drive Type
- Push
- Battery Capacity
- 2 x 5.0Ah
- Runtime
- 40 min
View on Amazon: Litheli 16-Inch Cordless Brushless Push Mower
This Litheli cordless push mower features a 16-inch deck and a brushless motor powered by two 5.0Ah batteries. It supports 2-in-1 mulching and rear bagging with an included 13-gallon grass catcher. You get up to 40 minutes of runtime to manage yards up to 3,200 square feet. It suits you if you need a lightweight 30-pound machine for compact lawns.
Pros
- Brushless motor requires no oil changes or spark plug maintenance
- Dual 5.0Ah batteries provide up to 40 minutes of runtime
- Single-lever 6-position height adjustment from 0.98 to 2.95 inches
- Batteries double as portable USB power banks
Cons
- Push drive without self-propulsion
- Maximum cutting height is limited to 2.95 inches
- No side discharge mowing option included
Good fit if
- You manage a lawn up to 3,200 square feet.
- You want a lightweight 30-pound mower that folds for compact storage.
- You alternate between mulching clippings and collecting them in a bag.
Skip if
- You need a self-propelled drive system for uneven terrain.
- You prefer to keep your grass taller than 2.95 inches.
- You require side-discharge capability for dense overgrowth.
Verdict: Litheli 16-Inch Brushless Cordless Mower delivers 2-in-1 mulching and bagging for yards up to 3,200 square feet. Its lightweight 30-pound frame and dual 5.0Ah batteries provide steady run time without gas maintenance.
CRAFTSMAN 20-Inch Corded Electric Push Mower
Best for: lightweight corded mowing with wide deck coverage
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Corded electric, 13 Amp
- Cutting Width
- 20 in
- Drive Type
- Push
- Application
- Lawn
- Dimensions
- 33.8 × 22 × 15.1 inches
View on Amazon: CRAFTSMAN 20-Inch Corded Electric Push Mower
This corded electric mower pairs a 20-inch cutting deck with a 13-amp motor. You get 3-in-1 capability for mulching, bagging, and side discharge, along with a single lever adjusting cutting height from 1.5 to 4 inches across six positions. At 20.8 pounds, it provides a wide cut in a lightweight push frame. It suits you if you want continuous corded power without managing batteries or gasoline.
Pros
- 20-inch cutting deck covers wide passes
- 3-in-1 function handles mulching, bagging, and side discharge
- Single-lever height adjustment spans 1.5 to 4 inches
- Lightweight 20.8-pound push design
Cons
- Corded electric power requires an extension cord and limits mowing range
- Manual push drive provides no self-propulsion
Good fit if
- You want a wide 20-inch deck without managing battery charge cycles.
- You need 3-in-1 flexibility to switch between mulching, bagging, and side discharge.
- You prefer an exceptionally light 20.8-pound mower for easier pushing.
Skip if
- You want cordless freedom without working around a power cord.
- You need a self-propelled motor to help navigate slopes.
Verdict: CRAFTSMAN 20-Inch Corded Electric Push Mower delivers full 3-in-1 mulching versatility with a wide deck and a 13-amp motor. Its 20.8-pound design gives you continuous cutting power without battery runtime limits.
KOMASTY 16-Inch 40V Cordless Mulching Mower
Best for: quick mulching on very small yards
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 16 in
- Voltage
- 40V
- Battery Capacity
- 2 x 4.0Ah
- Runtime
- 10 min
The KOMASTY 16-Inch 40V Cordless Mulching Mower is a compact 2-in-1 battery mower designed to mulch or bag clippings. It features a 16-inch steel blade powered by a 3400 RPM brushless motor, along with an included mulching plug and a 10.6-gallon collection bag. Running on two 4.0Ah batteries simultaneously, it provides a 10-minute runtime and five cutting height levels from 1.37 to 2.95 inches. This setup suits you if you manage a very small lawn.
Pros
- Brushless motor running up to 3400 RPM
- Includes mulching plug and 10.6-gallon grass collection bag
- Comes with two 4.0Ah batteries and two chargers for simultaneous charging
- Five cutting height positions ranging from 1.37 to 2.95 inches
Cons
- Rated runtime is limited to 10 minutes
- Maximum cutting height reaches only 2.95 inches
- No side discharge mowing option included
Good fit if
- You have a small lawn that requires 10 minutes or less to mow.
- You want to switch between mulching with an included plug and rear bagging.
- You need dual chargers to recharge both battery packs at the same time.
Skip if
- You need more than 10 minutes of runtime per charge cycle.
- You maintain grass at cutting heights above 2.95 inches.
- You require a side discharge option for heavy growth.
Verdict: KOMASTY 16-Inch 40V Cordless Mulching Mower provides brushless 2-in-1 cutting with included mulching and bagging accessories. Its 10-minute runtime makes it practical strictly for very small properties.
Litheli 40V 16-Inch Brushless Cordless Mower
Best for: quarter-acre yards needing lightweight mulching
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 2 x 5.0Ah
View on Amazon: Litheli 40V 16-Inch Brushless Cordless Mower
This Litheli push mower features a 16-inch cutting deck, a brushless motor, and a 40V power system running on two 5.0Ah batteries. It offers 2-in-1 mulching and rear bagging with a 13-gallon collection bag. Cutting heights adjust from 0.98 to 2.95 inches across six positions via a single lever. At 28.7 pounds, it suits you if you need a lightweight cordless option for lawns up to 1/4 acre.
Pros
- Brushless 40V motor powered by two included 5.0Ah batteries
- 2-in-1 support for mulching and 13-gallon rear bagging
- Six-position single-lever height adjustment from 0.98 to 2.95 inches
- Lightweight 28.7-pound frame with folding handle for compact storage
Cons
- No side discharge function included
- Manual push drive without self-propelled assist
Good fit if
- You manage a lawn up to 1/4 acre.
- You prefer a lightweight mower under 30 pounds that folds flat.
- You want to alternate between mulching and rear bagging.
Skip if
- You require side discharge for tall overgrowth.
- You want self-propelled drive to handle slopes.
Verdict: Litheli 40V 16-Inch Brushless Cordless Mower delivers 2-in-1 mulching and bagging for yards up to 1/4 acre. Its 28.7-pound push frame and dual 5.0Ah batteries provide up to 40 minutes of run time.
Steelite 13-Inch 20V Dual-Battery Mower
Best for: small yards and narrow garden pathways
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 13 in
- Voltage
- 20V
- Drive Type
- Push
- Battery Capacity
- 2 x 4.0Ah
The Steelite 13-Inch 20V Cordless Mower is a compact push mower designed for tight spaces and small yards. It features a brushless motor, a 13-inch cutting deck, and dual 20V 4.0Ah batteries delivering up to 50 minutes of combined runtime. With mulching and bagging capabilities alongside a 20.5-pound frame, you get an agile option built to navigate narrow paths and flower beds without taking up significant storage space.
Pros
- Compact 13-inch cutting deck navigates tight passages
- Brushless motor supports mulching and rear bagging
- Includes two 20V 4.0Ah batteries delivering up to 50 minutes runtime
- Lightweight 20.5-pound build simplifies lifting and storage
- 5-position single-lever cutting height from 0.98 to 2.56 inches
Cons
- Narrow 13-inch deck requires extra passes on open ground
- Maximum cutting height reaches only 2.56 inches
- No side discharge capability listed
Good fit if
- You have a small lawn with tight landscaping or narrow gates.
- You need a lightweight 20.5-pound machine for easy maneuvering.
- You want dual batteries included to swap during work.
Skip if
- You need a wider cutting deck to finish larger areas faster.
- You prefer keeping your grass cut taller than 2.56 inches.
Verdict: Steelite 13-Inch 20V Brushless Cordless Mower provides compact maneuverability and dual-battery runtime for modest properties. It mulches cleanly in tight spots where larger decks cannot easily fit.
Litheli 16-Inch Brushless Cordless Mower
Best for: mulching lawns up to 1/4 acre
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- battery
- Cutting Width
- 16 in
- Drive Type
- push
- Battery Capacity
- 2 x 5.0Ah
- Runtime
- 40 min
The Litheli 16-Inch Brushless Cordless Mower is a push mower built for lawns up to 1/4 acre. It pairs a brushless motor with a 16-inch deck and offers 2-in-1 mulching or 13-gallon rear bagging. Powered by two 5.0Ah batteries providing up to 40 minutes of runtime, this unit suits you if you need a compact, quiet mower for tight yards and want the option to naturally mulch grass clippings.
Pros
- Includes two 5.0Ah batteries delivering up to 40 minutes of runtime
- 2-in-1 setup supports both mulching and 13-gallon rear bagging
- Single-lever adjustment covers six heights from 0.98 to 2.95 inches
- Brushless motor requires zero engine maintenance
- Batteries double as USB power banks for mobile devices
Cons
- Lacks a side-discharge option
- Maximum cutting height reaches only 2.95 inches
- Manual push design lacks self-propelled drive
Good fit if
- You manage a yard measuring up to 1/4 acre.
- You prefer to switch between mulching and using a 13-gallon bag.
- You need a folding mower that stores inside small sheds.
Skip if
- You want a side-discharge mowing mode.
- You prefer cutting your grass higher than 2.95 inches.
- You require self-propelled assistance for hills.
Verdict: Litheli 16-Inch Brushless Cordless Mower provides compact mulching and bagging performance for properties up to 1/4 acre. Its dual 5.0Ah battery setup and quiet brushless motor make it a practical pick for smaller yards.
PowerSmart 21-Inch 140cc Gas Push Mower
Best for: mulching with a durable steel deck
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Gas
- Cutting Width
- 21 in
- Drive Type
- Push
- Deck Material
- Steel
- Cutting Height
- 1.5-3.9 in, 6 positions
This gas push mower features a 21-inch steel deck and a 140cc OHV engine. It offers 3-in-1 cutting capability, allowing you to mulch, bag, or use rear discharge for your grass clippings. A single lever lets you choose across six cutting heights from 1.5 to 3.9 inches. It suits you if you need a wide steel cutting deck and dependable gas power for recycling clippings across your lawn.
Pros
- 21-inch steel mowing deck
- 3-in-1 mulching, rear bagging, and rear discharge functions
- Single-lever adjustment with 6 heights from 1.5 to 3.9 inches
- 10-inch rear wheels for terrain traction
Cons
- Powered by gas rather than cordless battery
- Manual push drive requires physical effort
- Lacks side discharge capability
Good fit if
- You want a durable 21-inch steel deck for mulching.
- You prefer gas engine power instead of maintaining rechargeable batteries.
- You need quick single-lever height adjustments across six settings.
Skip if
- You want a zero-emissions cordless electric mower.
- You prefer a self-propelled drive system.
- You need side discharge functionality for tall grass.
Verdict: PowerSmart 21-Inch 140cc Gas Push Mower provides durable steel-deck cutting with versatile 3-in-1 grass management. It suits homeowners who want gas performance and a wide cutting path without battery runtime limits.
Litheli 40V 16-Inch Cordless Mulching Mower
Best for: small yards needing lightweight mulching
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- push
- Battery Capacity
- 2x5.0Ah
This Litheli 40V cordless push mower provides a 16-inch cutting deck paired with a brushless motor for mulching or bagging. Powered by two 5.0Ah batteries, it offers up to 40 minutes of runtime for yards up to one-quarter acre. Six height settings range from 0.98 to 2.95 inches via a single lever. At 28.7 pounds, it gives you a compact, lightweight option for tight lawn areas.
Pros
- Includes two 5.0Ah 40V batteries with up to 40 minutes of runtime
- Lightweight 28.7-pound build with folding handle for compact storage
- Six cutting heights from 0.98 to 2.95 inches using a single adjustment lever
- Batteries feature a portable power bank function for charging devices
Cons
- Maximum cutting height stops at 2.95 inches
- Lacks a side-discharge mowing option
- Manual push design without self-propelled drive
Good fit if
- You have a lawn up to one-quarter acre.
- You prefer a lightweight mower under 30 pounds that folds for storage.
- You want a 2-in-1 mower for mulching and rear bagging.
Skip if
- You need cutting heights above 2.95 inches.
- You want a self-propelled drive system or side discharge.
Verdict: Litheli 40V 16-Inch Cordless Mulching Mower delivers dual-battery 40V power and a compact 16-inch deck for small yards up to one-quarter acre. Its lightweight 28.7-pound frame makes mulching and handling simple without excess bulk.
Litheli 17-Inch 2x20V Brushless Lawn Mower
Best for: lightweight cordless mulching on level yards
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- 2 x 20V battery
- Cutting Width
- 17 in
- Voltage
- 2 x 20V
- Drive Type
- push
- Battery Capacity
- 4.0Ah (2 batteries)
This Litheli cordless push mower runs on two 20V 4.0Ah lithium-ion batteries powering a brushless motor. It features a 17-inch cutting deck and weighs 30 pounds without accessories. You can switch between mulching with the included mulch plug and bagging into an 11-gallon rear collection bag. Six height settings range from 0.98 to 2.95 inches. It suits you if you need a lightweight cordless mulcher for routine yard maintenance.
Pros
- Dual 20V 4.0Ah batteries with brushless motor
- Dedicated mulch plug plus 11-gallon collection bag
- Lightweight bare tool weight of 30 pounds
- Six cutting heights from 0.98 to 2.95 inches
Cons
- Manual push drive with no self-propulsion
- Maximum cut height limited to 2.95 inches
- No side discharge option listed
Good fit if
- You want a lightweight 30-pound mower for easy maneuvering.
- You prefer using dual 20V battery packs with a brushless motor.
- You cut grass between 0.98 and 2.95 inches.
Skip if
- You need a self-propelled drive system for sloped terrain.
- You prefer grass cut taller than 2.95 inches.
- You require a side-discharge mowing option.
Verdict: Litheli 17-Inch 2x20V Cordless Mulching Mower delivers dual-battery brushless cutting and dedicated mulching in a compact 30-pound frame. It offers straightforward push operation for yards needing cuts up to 2.95 inches.
BILT HARD 18-Inch 40V Cordless Push Mower
Best for: small yards up to 1/8 acre
- Mowing Function
- Mulching (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 18 in
- Voltage
- 40V (2 x 20V)
- Drive Type
- Push
- Battery Capacity
- 2 x 5.0Ah
This BILT HARD walk-behind mower pairs an 18-inch cutting deck with a brushless motor powered by two 20V 5.0Ah batteries. It offers 2-in-1 capability for mulching and rear bagging, with six cutting heights between 1.0 and 3.0 inches. At 34.1 pounds with up to 30 minutes of runtime, it suits you if you need a lightweight push mower for small yards up to 1/8 acre.
Pros
- Brushless motor with 18-inch cutting deck
- Includes two 20V 5.0Ah batteries and a dual charger
- Lightweight 34.1-pound push design with foldable handle
- Single-lever height adjustment with 6 positions from 1.0 to 3.0 inches
Cons
- Maximum runtime of 30 minutes
- Designed for small yards up to 1/8 acre
- Manual push drive without self-propel assistance
Good fit if
- You have a lawn up to 1/8 acre that takes 30 minutes or less to mow.
- You want a lightweight 34.1-pound mower with a folding handle for compact storage.
- You need 2-in-1 flexibility to mulch or collect clippings in an included 13-gallon bag.
Skip if
- You manage a yard larger than 1/8 acre that requires more than 30 minutes of runtime.
- You want a self-propelled drive system instead of manual pushing.
- You need cutting heights taller than 3.0 inches.
Verdict: BILT HARD 18-Inch 40V Cordless Push Mower delivers brushless cutting and 2-in-1 mulching for properties up to 1/8 acre. Its lightweight 34.1-pound design suits yards you can finish within 30 minutes.
Specifications side by side
| Spec | SENIX 21-Inch Gas Push Lawn Mower | Litheli 40V 16-Inch Brushless Push Mower | Greenworks 60V 17-Inch Brushless Push Mower | Litheli 40V 16-Inch Brushless Push Mower | Litheli 40V 18-Inch Brushless Push Mower | Litheli 16-Inch Cordless Brushless Push Mower | CRAFTSMAN 20-Inch Corded Electric Push Mower | KOMASTY 16-Inch 40V Cordless Mulching Mower | Litheli 40V 16-Inch Brushless Cordless Mower | Steelite 13-Inch 20V Dual-Battery Mower | Litheli 16-Inch Brushless Cordless Mower | PowerSmart 21-Inch 140cc Gas Push Mower | Litheli 40V 16-Inch Cordless Mulching Mower | Litheli 17-Inch 2x20V Brushless Lawn Mower | BILT HARD 18-Inch 40V Cordless Push Mower |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power Source | 144cc 4-cycle gas | 40V battery | Cordless battery | 40V battery | 40V battery | Cordless battery | Corded electric, 13 Amp | Cordless battery | 40V battery | Cordless battery | battery | Gas | 40V battery | 2 x 20V battery | Cordless battery |
| Cutting Width | 21 in | 16 in | 17 in | 16 in | 18 in | 16 in | 20 in | 16 in | 16 in | 13 in | 16 in | 21 in | 16 in | 17 in | 18 in |
| Voltage | not specified | 40V | 60V | 40V | 40V | not specified | not specified | 40V | 40V | 20V | not specified | not specified | 40V | 2 x 20V | 40V (2 x 20V) |
| Drive Type | push | push | Push | push | push | Push | Push | not specified | push | Push | push | Push | push | push | Push |
| Battery Capacity | not specified | 2x5.0Ah | 4.0Ah | 2 x 5.0Ah | 2 x 5.0Ah | 2 x 5.0Ah | not specified | 2 x 4.0Ah | 2 x 5.0Ah | 2 x 4.0Ah | 2 x 5.0Ah | not specified | 2x5.0Ah | 4.0Ah (2 batteries) | 2 x 5.0Ah |
| Runtime | not specified | 40 min | 40 min | up to 40 min | not specified | 40 min | not specified | 10 min | up to 40 min | 50 min | 40 min | not specified | up to 40 min | not specified | Up to 30 min |
| Deck Material | not specified | not specified | Rust-resistant steel | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Steel | not specified | not specified | not specified |
| Cutting Height | 1.25-3.75 in, 6 positions | 25-75mm, 6 heights | 1.5-3.15 in, 6 positions | 0.98-2.95 in, 6 positions | 6 positions | 0.98-2.95 in, 6 positions | not specified | 5 positions, 1.37-2.95 in | 0.98-2.95 in, 6 positions | 5 positions, 0.98-2.56 in | 0.98-2.95 in, 6 positions | 1.5-3.9 in, 6 positions | 0.98-2.95 in, 6 positions | 0.98-2.95 in, 6 positions | 1.0-3.0 in, 6 positions |
| Mowing Function | 2-in-1 mulch & side discharge | bagging, mulching | 2-in-1 mulch and bag | 2-in-1 mulch & bag | 2-in-1 mulch & bag | 2-in-1: mulch, bag | 3-in-1 bag/mulch/side discharge | 2-in-1 mulch and bag | 2-in-1 mulch & bag | Mulching and bagging | 2-in-1 mulch & bag | 3-in-1 | 2-in-1 mulch, bag | bagging and mulching | 2-in-1 (mulch/bag) |
| Motor Type | not specified | brushless | Brushless | brushless | brushless | Brushless | not specified | Brushless | brushless | Brushless | brushless | not specified | brushless | brushless | Brushless |
| Application | Lawn | Lawn | Lawn | Lawn | Yard, Lawn | Lawn | Lawn | Lawn | Lawn | Yard, Small Yards, Lawn | Lawn | Lawn | Lawn | Lawn | Lawn |
| Size | 21Inch | 16“(2X5.0Ah+Charger) | w/Blade+4.0Ah Battery | 16 Inch(2x5.0Ah & Charger) | 18" | 16 ’‘ | 20-in. | not specified | 16 Inch (2x5.0Ah & Charger) | not specified | 16 Inch (2x5.0Ah & Charger) | 21 Inch | 16"(2x5.0Ah&Charger) | 17" | not specified |
| Dimensions | 32.8 × 22.7 × 15.9 inches | 28.2 × 17.3 × 14.2 inches | not specified | 28.2 × 17.3 × 14.2 inches | 28 × 17 × 14 inches | 28.2 × 14.2 × 17.3 inches | 33.8 × 22 × 15.1 inches | 24 × 12 × 15 inches | 28.2 × 17.3 × 14.2 inches | 1 × 1 × 1 inches | 24.8 × 14 × 15.2 inches | 32.9 × 16.5 × 22.6 inches | 28.2 × 17.3 × 14.2 inches | 34 × 20 × 16 inches | not specified |
| Weight | 50 pounds | not specified | not specified | 28.7 pounds | not specified | 30 pounds | 20.8 pounds | not specified | 28.7 pounds | 25 pounds | not specified | not specified | 28.7 pounds | 30 pounds | not specified |
| Color | Black | Black | Green | Jet Black | Gray | Black | Red, Black | Lime Green | white | Pistachio | Iron black | Black+R | Charcoal black | Green | not specified |
| Model | L6 | U20LM02-4A220-A-UN-US-005 | not specified | U20LM03-4A220-UN-US-003 | U20LM01-4A220-UN-US-001 | U20LM03-4A220 | CMEMW213 | kom-lw | U20LM03-4A220-UN-US-007 | DG500-2 | U20LM03-4A220 | B8721S2 | U20LM03-4A220-UN-US-001 | D03001752 | not specified |
Is a mulching lawn mower worth it?
Mulching recuts grass clippings under the deck instead of routing them into a collection bag or side chute. Every model on this list includes a dedicated mulching function, with many offering 2-in-1 or 3-in-1 setups that combine mulching with bagging or side discharge. Choosing a mulching setup eliminates the need to stop and empty a grass catcher during your run. It allows you to process clippings directly over the lawn as you push. This configuration supports yard maintenance across cutting widths from 13 to 21 inches.
Worth it if
- You want to mow without stopping to empty a rear grass bag.
- You prefer 2-in-1 or 3-in-1 decks that switch between mulching, bagging, and side discharge.
Skip it if
- You exclusively collect clippings in a bag for removal from the lawn.
- You rely entirely on side discharge to clear tall grass across your yard.
How We Picked Mulching Mowers
You find mulching lawn mowers in this guide whenever an Amazon listing identifies mulching in the title or product feature list. We take all specifications directly from published manufacturer data, and we never physically handle or test any mower. You see only one representative size or model variant per product family to keep your choices distinct.
We arrange the 15 picks with products in stock first, then by Amazon sales rank, placing better-selling products first. This layout keeps available push mowers at the top so you can review published specs without delays.
How to Choose the Right Mulching Mower
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Deck Cutting Width
You need to choose a cutting width that balances pass coverage against yard obstacles. Cutting widths in this guide range from 13 inches up to 21 inches. A wider 21-inch deck finishes open turf in fewer passes. A smaller deck handles narrow garden pathways and tight fences much more effectively. If your property features tight gates or narrow side paths, consider a compact model like the Steelite 13-Inch 20V Dual-Battery Mower. Check your narrowest lawn passage before picking a deck size.
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Battery Operating Voltage
You should inspect the voltage rating when choosing a cordless mulching mower. Battery platforms span from 20V systems up to 60V systems. Higher voltage supplies greater electrical potential to drive the cutting blade through dense grass without bogging down. A 20V mower fits very light clipping jobs on small turf. A 60V platform, such as the Greenworks 60V 17-Inch Brushless Push Mower, delivers higher power for thicker grass. Select a voltage spec that matches the thickness of the grass you mulch regularly.
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Battery Capacity Rating
You must check battery capacity, listed in amp-hours, to determine how long you can mulch continuously. Amp-hour ratings indicate total energy storage inside each battery pack. Cordless models in this lineup generally supply 4.0 Ah or 5.0 Ah battery options. A 4.0 Ah battery provides enough energy for compact yards, while a 5.0 Ah pack delivers extended cutting time. The Litheli 40V 16-Inch Brushless Push Mower provides two 5.0 Ah packs for larger lawns. Compare the amp-hour rating to your lawn size so you finish without mid-mow recharges.
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Motor Type Selection
You should look for a brushless motor specification when shopping for an electric mower. Brushless motors run without physical contact brushes, which cuts internal friction and reduces heat buildup during heavy mulching. This mechanical design delivers higher motor efficiency and extended runtime compared to standard brushed electric motors. Most cordless units in this guide feature brushless motors designed to sustain blade rotation through dense grass. Check the product specifications sheet to confirm the motor type is brushless before you purchase an electric mulching mower for your lawn.
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Deck Material Construction
You need to evaluate the deck material to match your yard conditions. Some mowers feature a steel deck, while others utilize lighter composite or plastic shells. A steel deck withstands impacts from thrown pebbles, acorns, and rough surface debris during aggressive mulching sessions. The PowerSmart 21-Inch 140cc Gas Push Mower lists a dedicated steel deck built for rugged lawn environments. However, steel adds overall weight to the mower frame. If your lawn has smooth turf and flat borders, a lighter non-steel deck makes pushing and maneuvering substantially easier.
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Total Machine Weight
You should check machine weight because push mowers require direct physical effort across your entire yard. Weights in this guide vary significantly, spanning from 20.8 pounds up to 50 pounds. A lighter model turns quickly, stores easily, and reduces arm fatigue when navigating around landscaping. A heavier machine stays planted firmly over bumpy ground but demands more effort to push uphill. The SENIX 21-Inch Gas Push Lawn Mower weighs 50 pounds, offering stability on open stretches. Compare the listed weight spec against your physical strength and yard slope before deciding.
Frequently asked questions
What deck materials are used on mulching lawn mowers?
Manufacturers build mulching mower decks out of stamped steel or lightweight polymer materials. For example, the PowerSmart 21-Inch 140cc push mower features a durable steel deck designed for heavy-duty mulching and side discharge passes. Other models on this list, such as the CRAFTSMAN 20-inch corded mower and Litheli cordless units, weigh between 20.8 and 30 pounds, reflecting lighter deck structures that you can easily maneuver.
How long do cordless mulching mower batteries last on a single charge?
Cordless mulching runtimes typically range between 10 and 40 minutes per charge depending on battery pack capacity. The KOMASTY 16-inch 40V model lists a 10-minute runtime suited for very small lawns. In contrast, Litheli 40V models equipped with dual 5.0Ah batteries provide up to 40 minutes of continuous cutting, while the BILT HARD 18-inch 40V mower is specified to finish properties up to one-eighth acre within 30 minutes.
Can you adjust cutting height on cordless mulching mowers?
Yes, mulching mowers feature adjustable height settings to help you manage grass length and maintain clean cut quality. For example, the Litheli 40V 18-inch brushless mower offers six distinct height settings to match lawn conditions. Additionally, the Litheli 17-inch dual-battery mower specifies cutting capacities reaching up to 2.95 inches, allowing you to tailor your mulching passes to different grass heights across your yard.
What is the narrowest deck size available for mulching tight spaces?
The narrowest cutting path in this comparison is 13 inches, found on the Steelite 20V dual-battery mower. A 13-inch deck allows you to mulch restricted garden walkways, fenced dog runs, and tight landscaping borders where standard 16-inch to 21-inch mowers cannot easily navigate. The machine also weighs 25 pounds, which helps you maneuver around trees, flower beds, and narrow corners without scuffing lawn edges.
What is the difference between 2-in-1 and 3-in-1 mulching mowers?
The difference lies in available grass disposal methods alongside mulching. A 2-in-1 mower, such as the Litheli 16-inch or KOMASTY 16-inch models, provides dedicated mulching and rear bagging. A 3-in-1 mower, such as the CRAFTSMAN 20-inch corded or PowerSmart 21-inch gas model, provides mulching, bagging, and side discharge chutes. This gives you extra disposal alternatives when heavy turf growth prevents clean mulching under the deck.
How much do push mulching mowers weigh?
Push mulching mower weights vary significantly based on power source and deck size. The lightest option on our list is the CRAFTSMAN 20-inch corded model at 20.8 pounds, followed by Steelite at 25 pounds and Litheli cordless units at 28.7 to 30 pounds. If you select a gas-powered option, such as the SENIX 21-inch mower with its 144cc engine, push weight increases up to 50 pounds.
How do motor types differ between gas and electric mulching mowers?
Gas mulching mowers utilize internal combustion engines rated by displacement, while electric options rely on brushless motors or amperage ratings. The SENIX and PowerSmart gas models operate on 144cc and 140cc gas engines, respectively. Cordless options from Greenworks, Litheli, KOMASTY, and BILT HARD feature brushless electric motors designed for battery efficiency, while the corded CRAFTSMAN push mower draws continuous power using a 13-amp electric motor.