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PowerSmart 21-Inch Gas Lawn Mower Alternatives: 6 Similar Picks Compared

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You might be looking for powersmart 21 inch gas lawn mower alternatives if the standard PowerSmart 21-Inch model does not fit your specific yard needs. That mower features a 144cc engine, a durable steel deck, and a foldable design that saves storage space. It offers a 21-inch cutting path and six height adjustments. These specs work well for many homeowners who want reliable power and compact storage.

However, you may need different specifications. Some users require more engine torque for thicker grass. Others prefer a Briggs & Stratton engine for brand trust. Smaller yards might need an 18-inch deck for better maneuverability. This list includes 6 similar picks chosen because their core specs overlap with the original. You will find options with varying engine sizes, deck materials, and cutting widths. Each alternative shares the push-drive format and gas power source. Review the detailed specifications to find the model that matches your terrain and storage constraints.

Our top pick: PowerSmart 21-Inch 144cc Gas Push Mower.

How these alternatives compare

BILT HARD 21-Inch 201cc Gas Push Mower

The BILT HARD model swaps the 144cc engine for a larger 201cc unit. This provides higher torque for flat lawns but increases the weight to 73.8 pounds. The PowerSmart weighs 59.4 pounds, making it easier to maneuver. Both feature 21-inch steel decks and push drive. The BILT HARD is wider at 26.3 inches compared to the PowerSmart’s 22 inches. You gain raw power here but lose the compact folded height of the PowerSmart. Choose this if you prioritize engine strength over lightweight handling.

PowerSmart 21-Inch 125cc Gas Push Mower

This PowerSmart variant uses a 125cc Briggs & Stratton engine instead of the 144cc OHV unit. It weighs slightly less at 56.4 pounds. The cutting width remains 21 inches with a steel deck. You get a trusted engine brand but less displacement. The height adjustment has six positions, similar to the original. This model is ideal if you prefer Briggs & Stratton reliability. It offers the same side discharge function. The folded dimensions are nearly identical. Pick this if engine brand matters more to you than the higher horsepower of the 144cc model.

AMERISUN 21-Inch 144cc Gas Push Mower

The AMERISUN model shares the 144cc engine size but weighs significantly less. It does not list a weight, but its folded dimensions are much smaller. The PowerSmart is 56 inches long when unfolded. This AMERISUN is 32.9 inches long. It offers 2-in-1 mulching and side discharge. The cutting width is 21 inches. You gain a highly compact storage solution. The PowerSmart is heavier and takes more space. Choose this for small yards where storage space is tight. It sacrifices the robust steel deck feel for extreme portability.

AMERISUN 21-Inch Gas Push Mower

This AMERISUN unit is identical to the previous entry in specs. It features a 21-inch cutting path and 2-in-1 functionality. The folded size is 32.9 inches long. The PowerSmart is much larger in its folded state. Both are push mowers with gas power. You get the same mowing capabilities here. The choice comes down to brand preference or specific color options. Both are lightweight for their class. Select this if you want the same compact storage benefits. It is a practical alternative for users who need easy handling and small footprint.

PowerSmart 18-Inch 144cc Gas Push Mower

This PowerSmart model reduces the cutting width to 18 inches. It keeps the 144cc engine and steel deck. The weight is 58.4 pounds, similar to the 21-inch version. It is much narrower, fitting into tight spaces. The PowerSmart 21-inch is 22 inches wide. You lose five inches of cutting path but gain maneuverability. The folded height is 20.1 inches, very compact. Choose this for small yards or tight turns. It is best if you cannot fit a 21-inch mower. You keep the same reliable engine in a smaller package.

SENIX 21-Inch Gas Push Lawn Mower

The SENIX model focuses on mulching with a 21-inch deck. It weighs only 50 pounds, lighter than the PowerSmart. The folded height is just 15.9 inches. The PowerSmart folds to 42 inches. You gain a very low profile for storage. The SENIX has large rear wheels for uneven lawns. It lacks side discharge in its primary function. The PowerSmart offers both mulching and side discharge. Pick the SENIX if mulching is your main goal. It is ideal for uneven terrain. You trade the dual-function deck for lighter weight and better ground clearance.

Quick picks

#ProductBest forPrice
1 PowerSmart 21-Inch 144cc Gas Push Mower Best overall compact storage and durable steel construction Check price of PowerSmart 21-Inch 144cc Gas Push Mower on Amazon
2 BILT HARD 21-Inch 201cc Gas Push Mower Also great High-torque mowing on flat lawns Check price of BILT HARD 21-Inch 201cc Gas Push Mower on Amazon
3 PowerSmart 21-Inch 125cc Gas Push Mower Best premium Buyers prioritizing engine brand and easy setup Check price of PowerSmart 21-Inch 125cc Gas Push Mower on Amazon
4 AMERISUN 21-Inch 144cc Gas Push Mower Best budget small yards with flat terrain Check price of AMERISUN 21-Inch 144cc Gas Push Mower on Amazon
5 AMERISUN 21-Inch Gas Push Mower Also great small yards and compact storage needs Check price of AMERISUN 21-Inch Gas Push Mower on Amazon
6 PowerSmart 18-Inch 144cc Gas Push Mower Best yard small yards and tight maneuverability Check price of PowerSmart 18-Inch 144cc Gas Push Mower on Amazon
7 SENIX 21-Inch Gas Push Lawn Mower Best mulching Mulching on uneven lawns Check price of SENIX 21-Inch Gas Push Lawn Mower on Amazon

Our 7 picks

Best overall

PowerSmart 21-Inch 144cc Gas Push Mower

Best for: compact storage and durable steel construction

Power Source
Gas, 144cc 4-cycle OHV
Cutting Width
21 in
Drive Type
Push
Deck Material
Steel
Cutting Height
1.5-3.9 in, 6 positions
Mowing Function
2-in-1: mulch, side discharge

View on Amazon: PowerSmart 21-Inch 144cc Gas Push Mower

This PowerSmart push mower features a 144cc 4-cycle OHV engine and a 21-inch steel deck. It offers 2-in-1 mulching and side-discharge capabilities with a 6-position height adjustment from 1.5 to 3.9 inches. The compact, foldable design saves storage space, while 10-inch rear and 7-inch front wheels ensure smooth handling. It is a practical choice for homeowners seeking reliable gas power without the complexity of self-drive systems.

Pros

  • 144cc 4-cycle OHV engine with auto-choke for easy starting
  • Heavy-duty all-steel deck for durability
  • Foldable design saves up to 70% of storage space
  • 6-position single-lever cutting height adjustment

Cons

  • Push drive requires manual effort on uneven terrain
  • Limited to 2-in-1 mulching and side-discharge only
  • No rear bagging option available in this model

Good fit if

  • You want a durable steel deck for long-term use
  • You need a compact mower that folds for easy storage
  • You prefer simple manual operation without self-drive mechanics

Skip if

  • You require a self-propelled drive system for steep hills
  • You need a 3-in-1 mower with rear bagging capability
  • You prefer electric power sources over gasoline

Verdict: PowerSmart 21-Inch Push Gas Mower fits homeowners who value a durable steel deck and space-saving foldable design over self-propelled convenience.

Also great

BILT HARD 21-Inch 201cc Gas Push Mower

Best for: High-torque mowing on flat lawns

Power Source
201cc 4-stroke gas
Cutting Width
21 in
Drive Type
push
Deck Material
steel
Cutting Height
1.2-3.75 in, 10 positions
Mowing Function
3-in-1 mulch, bag, side discharge

View on Amazon: BILT HARD 21-Inch 201cc Gas Push Mower

This BILT HARD push mower features a 201cc 4-stroke engine delivering 9.0 ft.lb of torque. It offers a 21-inch steel deck with 3-in-1 mulching, bagging, and side discharge capabilities. You get ten cutting height positions ranging from 1.2 to 3.75 inches. The unit weighs 73.8 pounds and includes double ball-bearing wheels for smooth movement. It is designed for users who need a durable, high-torque machine for standard lawn maintenance tasks.

Pros

  • 201cc 4-stroke OHV engine provides 9.0 ft.lb of torque
  • 21-inch steel deck supports mulching, bagging, and side discharge
  • Ten height positions adjustable from 1.2 to 3.75 inches via a single lever
  • Double ball-bearing wheels ensure smooth maneuvering

Cons

  • Heavier at 73.8 pounds compared to lighter alternatives
  • Push drive requires physical effort to operate
  • No self-propelled mechanism for steep terrain

Good fit if

  • You need a high-torque engine for thick grass
  • You prefer a steel deck for durability
  • You want multiple discharge options for yard cleanup

Skip if

  • You require a self-propelled mower for hills
  • You need a lighter unit for easy storage
  • You prefer an electric power source

Verdict: BILT HARD 21-Inch 201cc Gas Mower suits users who prioritize raw engine power and a heavy-duty steel deck over lightweight convenience. It is a solid choice for flat yards where maximum torque matters more than ease of pushing.

Best premium

PowerSmart 21-Inch 125cc Gas Push Mower

Best for: Buyers prioritizing engine brand and easy setup

Power Source
Gas
Cutting Width
21 in
Drive Type
Push
Deck Material
Steel
Cutting Height
1.5-3.9 in, 6 positions
Mowing Function
2-in-1

View on Amazon: PowerSmart 21-Inch 125cc Gas Push Mower

This PowerSmart push mower features a 21-inch cutting path and a 125cc Briggs and Stratton E300 engine. It offers a 2-in-1 mulching and side-discharge function with a durable 15-gauge steel deck. You get six cutting height positions ranging from 1.5 to 3.9 inches. The unit arrives fully assembled, requiring only handle unfolding. Its foldable design helps you save storage space.

Pros

  • Briggs and Stratton E300 engine for reliable power
  • 21-inch cutting width for efficient coverage
  • 15-gauge stamped steel deck for durability
  • Fully assembled with no tools required
  • Foldable design saves 70% of storage space

Cons

  • 125cc engine is smaller than the 144cc or 201cc options on this list
  • Push drive requires more physical effort than self-propelled models
  • Limited to 2-in-1 mulching and side discharge functions

Good fit if

  • You want a mower with a trusted American-made engine brand
  • You prefer a tool-free setup that is ready to use immediately
  • You need a foldable design to fit into tight storage areas

Skip if

  • You require self-propelled drive for hilly terrain
  • You need a 3-in-1 system with a bagging option
  • You prefer a more powerful engine than 125cc

Verdict: PowerSmart 21-Inch Briggs & Stratton Push Mower suits buyers who value a trusted engine brand and hassle-free assembly over raw power or self-propulsion features.

Best budget

AMERISUN 21-Inch 144cc Gas Push Mower

Best for: small yards with flat terrain

Power Source
Gas
Cutting Width
21 in
Drive Type
Push
Deck Material
Steel
Cutting Height
1.5–3.9 in, 6 positions
Mowing Function
2-in-1

View on Amazon: AMERISUN 21-Inch 144cc Gas Push Mower

The AMERISUN 21-inch gas mower uses a 144cc 4-cycle OHV engine for reliable starting. It features a heavy-duty steel deck and 6-position height adjustment from 1.5 to 3.9 inches. This 2-in-1 model handles mulching and side discharge. Weighing 63 lbs with 10-inch rear wheels, it offers easy maneuverability. It suits small to medium residential yards needing routine maintenance.

Pros

  • 144cc 4-cycle OHV engine for consistent power
  • 21-inch steel cutting deck for durability
  • 6-position cutting height adjustment (1.5-3.9 inches)
  • 2-in-1 mulching and side discharge capability
  • Lightweight 63 lbs design with 10-inch rear wheels

Cons

  • Limited to 2-in-1 mowing functions without bagging
  • Push drive requires manual effort
  • No self-propelled mechanism for hills

Good fit if

  • You need a lightweight mower for small yards
  • You prefer manual push operation
  • You want simple mulching or side discharge

Skip if

  • You require a 3-in-1 bagging system
  • You need self-propelled drive for slopes
  • You prefer electric power sources

Verdict: AMERISUN 21-Inch 144cc Gas Push Mower fits users with small yards who value lightweight maneuverability over self-propelled power. It is a practical option for flat terrain where manual pushing is acceptable.

Also great

AMERISUN 21-Inch Gas Push Mower

Best for: small yards and compact storage needs

Power Source
Gas
Cutting Width
21 in
Drive Type
Push
Deck Material
Steel
Cutting Height
1.5 to 3.9 in, 6 positions
Mowing Function
2-in-1

View on Amazon: AMERISUN 21-Inch Gas Push Mower

The AMERISUN 21-inch mower uses a 144cc 4-stroke OHV engine to power a 21-inch steel deck. It offers a 2-in-1 system for mulching or side discharge. You can adjust the cutting height from 1.5 to 3.9 inches using a single lever. At 63 pounds, it features a foldable handle for compact storage. This model suits homeowners with small to medium residential yards who prefer a lightweight, push-style machine.

Pros

  • 144cc 4-stroke OHV engine for consistent power
  • 21-inch steel cutting deck reduces mowing time
  • 6-position height adjustment from 1.5 to 3.9 inches
  • 2-in-1 mulching and side discharge capability
  • Foldable handle and 63 lb weight for easy storage

Cons

  • Limited to 2-in-1 mowing functions, lacking bagging
  • Manual recoil start requires physical effort
  • Push drive requires you to push the mower

Good fit if

  • You need a lightweight mower for easy storage
  • You have a small to medium residential lawn
  • You prefer mulching or side discharge over bagging

Skip if

  • You require self-propelled or riding capabilities
  • You need a 3-in-1 system with bagging
  • You want an electric or battery-powered tool

Verdict: AMERISUN 21-Inch Gas Push Mower fits users seeking a lightweight, easy-to-store option for small yards. It sacrifices bagging and self-propulsion for simplicity and compact design.

Best yard

PowerSmart 18-Inch 144cc Gas Push Mower

Best for: small yards and tight maneuverability

Power Source
gas, 144cc 4-cycle
Cutting Width
18 in
Drive Type
push
Deck Material
steel
Cutting Height
1.5-3.9 in, 5 positions
Mowing Function
side discharge

View on Amazon: PowerSmart 18-Inch 144cc Gas Push Mower

This PowerSmart model features an 18-inch steel deck and a 144cc 4-cycle engine. It operates as a push mower with side discharge only. The cutting height adjusts across five positions from 1.5 to 3.9 inches. Weighing 58.4 pounds, it offers manageable weight for small yards. The 8-inch rear and 7-inch front wheels aid maneuverability around tight corners.

Pros

  • 18-inch steel deck for durability
  • 144cc 4-cycle engine with auto choke
  • 5-position height adjustment from 1.5 to 3.9 inches
  • 8-inch rear and 7-inch front wheels for handling

Cons

  • 18-inch cutting width is narrower than the 21-inch alternatives
  • Side discharge only; no mulching or bagging included
  • Heavier at 58.4 pounds compared to lighter push models

Good fit if

  • You have a small yard under 5,000 square feet
  • You prefer side discharge for thick grass
  • You need a narrower deck for tight spaces

Skip if

  • You require a 21-inch cutting width
  • You need mulching or bagging capabilities
  • You want a lighter mower under 50 pounds

Verdict: PowerSmart 18-Inch 144cc Gas Mower suits small yard owners who need a durable steel deck and side discharge. It is a practical pick for tight spaces where a wider 21-inch model cannot fit.

Best mulching

SENIX 21-Inch Gas Push Lawn Mower

Best for: Mulching on uneven lawns

Power Source
Gas
Cutting Width
21 in
Drive Type
Push
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

The SENIX 21-Inch Gas Push Mower uses a 144cc 4-cycle engine to handle thick grass and gentle slopes. It features a 21-inch cutting deck with a 2-in-1 mulching and side discharge system. The large 11-inch rear wheels reduce rolling resistance on uneven terrain. You can adjust the cutting height from 1.25 to 3.75 inches using a dual-lever system. This mower suits homeowners with yards up to half an acre who need reliable power without electric cords.

Pros

  • 144cc 4-cycle engine maintains steady RPMs under load
  • 21-inch cutting deck covers more ground per pass
  • 11-inch rear wheels reduce rolling resistance on rough terrain
  • 6-position height adjustment from 1.25 to 3.75 inches

Cons

  • Push drive requires physical effort on slopes
  • 50-pound weight may be heavy for some users
  • Limited to 2-in-1 mulching and side discharge functions

Good fit if

  • You have uneven terrain with roots or rocks
  • You prefer mulching for nutrient return
  • You need a wide cutting path for efficiency

Skip if

  • You require self-propelled or rear-wheel drive
  • You want a 3-in-1 bagging system
  • You have a small yard under ¼ acre

Verdict: SENIX 21-Inch Gas Push Mower fits users with uneven lawns who value large rear wheels and a wide cutting deck for efficient mulching.

Specifications side by side

Spec PowerSmart 21-Inch 144cc Gas Push Mower BILT HARD 21-Inch 201cc Gas Push Mower PowerSmart 21-Inch 125cc Gas Push Mower AMERISUN 21-Inch 144cc Gas Push Mower AMERISUN 21-Inch Gas Push Mower PowerSmart 18-Inch 144cc Gas Push Mower SENIX 21-Inch Gas Push Lawn Mower
Power Source Gas, 144cc 4-cycle OHV 201cc 4-stroke gas Gas Gas Gas gas, 144cc 4-cycle Gas
Cutting Width 21 in 21 in 21 in 21 in 21 in 18 in 21 in
Drive Type Push push Push Push Push push Push
Deck Material Steel steel Steel Steel Steel steel not specified
Cutting Height 1.5-3.9 in, 6 positions 1.2-3.75 in, 10 positions 1.5-3.9 in, 6 positions 1.5–3.9 in, 6 positions 1.5 to 3.9 in, 6 positions 1.5-3.9 in, 5 positions 1.25"–3.75", 6 positions
Mowing Function 2-in-1: mulch, side discharge 3-in-1 mulch, bag, side discharge 2-in-1 2-in-1 2-in-1 side discharge 2-in-1
Application Lawn Lawn Lawn Yard, Lawn Lawn Yard, Small Yards, Lawn Yard, Garden, Lawn
Size 21 Inch 21 Inch 21"-125cc-6 Points 21 Inch 21 Inch 18 Inch-144cc-5 Heights 21Inch
Engine Brand not specified not specified Briggs not specified not specified not specified not specified
Dimensions 56 × 22 × 42 inches 62.5 × 26.3 × 41 inches 56.5 × 22 × 40.5 inches 32.9 × 16.5 × 22.6 inches 32.9 × 16.5 × 22.6 inches 27.2 × 14.3 × 20.1 inches 32.8 × 22.7 × 15.9 inches
Weight 59.4 pounds 73.8 pounds 56.4 pounds not specified not specified 58.4 pounds 50 pounds
Color Red Blue Black Black Black red Black
Model DV8621C 773e7abd-ce4a-48e9-8545-2424d5e0183b B8721C AV8621C1 AV8621C1 DB8618C L6

Frequently asked questions

Which alternative offers the most engine power?

The BILT HARD 21-Inch model provides the highest power with a 201cc engine. This setup delivers extra torque, which is useful for flat lawns where you need consistent cutting strength. It is heavier at 73.8 pounds, so it requires more effort to push than lighter options.

What is the lightest mower on this list?

The SENIX 21-Inch Gas Push Lawn Mower is the lightest option at 50 pounds. Its compact folded dimensions also make it easy to store in tight spaces. This makes it a practical choice if you prioritize maneuverability and minimal storage footprint over raw engine displacement.

Are there mulching options available?

Yes, the SENIX 21-Inch model is designed specifically for mulching. It features large rear wheels and a wide deck to handle uneven lawns efficiently. This allows you to recycle clippings back into your grass without needing a separate bagging attachment or side discharge setup.

Which mower is best for small yards?

The PowerSmart 18-Inch 144cc Gas Push Mower is ideal for small yards. Its narrower 18-inch deck allows for better maneuverability in tight spaces where a 21-inch model might struggle. It also features a durable steel deck and side discharge for efficient grass management.

Does any alternative use a Briggs & Stratton engine?

The PowerSmart 21-Inch 125cc Gas Push Mower uses a Briggs & Stratton engine. This brand is known for reliability and ease of setup. It weighs 56.4 pounds, making it one of the lighter 21-inch options while still providing a trusted power source for your lawn care needs.

Which model has the most compact folded size?

The AMERISUN 21-Inch models share the most compact folded dimensions at 16.5 inches wide, 22.6 inches high, and 32.9 inches long. These measurements allow for easy storage in small garages or sheds. They sacrifice bagging capabilities for this simplified, space-saving design.

How do the deck materials compare?

Most models in this list feature durable steel decks for longevity. The PowerSmart 21-Inch and BILT HARD models both use steel construction. The PowerSmart 18-Inch model also includes a steel deck. This material choice generally offers better durability against impacts compared to plastic alternatives.

See also