PowerSmart 21-Inch 170cc Self Propelled Gas Lawn Mower Alternatives: 6 Similar Picks Compared
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The PowerSmart 21-Inch 170cc Self-Propelled Gas Lawn Mower delivers reliable rear-wheel drive traction and a durable steel deck for uneven terrain. If you need powersmart 21 inch 170cc self propelled gas lawn mower alternatives, this guide helps you compare similar models. You might want a wider 22-inch cutting deck for faster coverage on larger lawns. Some users prefer a lighter unit for compact storage or a different price point for their budget. Other buyers seek specific features like a larger grass bag or easier height adjustments.
We selected these alternatives because their published specifications overlap with the original model. Each pick shares key traits like a 170cc engine and self-propelled drive. This list covers options ranging from budget-friendly choices to premium builds with wider decks. You can compare cutting widths, weights, and deck materials to find the right fit. The data highlights differences in size, drive type, and mowing functions. This helps you decide if you need more traction, a broader cut, or a different brand. All options here are gas-powered and designed for lawn care. You can review the specs to match your yard size and terrain needs.
Our top pick: PowerSmart 21-Inch 170cc Self-Propelled Gas Mower.
How each alternative compares
AMERISUN 21-Inch 170cc RWD Self-Propelled Gas Mower
The AMERISUN 21-Inch 170cc model offers similar traction with a heavier build. It weighs 66 pounds, which is 7 pounds more than the PowerSmart. This extra weight may help with stability on slopes. The AMERISUN also features a steel deck and auto-choke engine for reliable starts. It provides 3-in-1 mowing functions just like the original. You should choose this if you prefer a heavier machine for uneven terrain. The larger footprint might be harder to store in tight spaces.
SENIX 22-Inch 170cc Self-Propelled Gas Mower
The SENIX 22-Inch 170cc model provides a wider cutting width for faster mowing. It weighs 72.8 pounds, significantly heavier than the PowerSmart. This extra mass supports the larger deck on rough lawns. The SENIX includes sturdy build quality for users prioritizing deck width over lightweight maneuverability. It is ideal for those with medium to large yards needing wider cuts. The blue color distinguishes it visually. You should pick this if you value cutting efficiency and traction on uneven ground more than easy storage.
SENIX 22-Inch 170cc Self-Propelled Gas Mower
This SENIX 22-Inch 170cc model also features a wider deck for efficient cutting. It shares the same 72.8-pound weight as the other SENIX option. The anti-clog design helps handle thick grass effectively. Rear-wheel drive provides strong traction on sloped lawns. It suits users who need reliable performance in dense vegetation. The black color offers a classic look. You should select this if you prioritize slope traction and thick grass handling. The wider cut reduces mowing time compared to the 21-inch original.
PowerSmart 22-Inch Gas Self-Propelled Lawn Mower
The PowerSmart EasyDrive Pro 22-Inch 170cc model expands your cutting width for larger lawns. It weighs 75 pounds, making it the heaviest in this group. The wide steel deck and large grass bag capacity suit medium to large yards. Rear-wheel drive ensures strong traction on slopes. This model fits users who value cutting width and collection capacity. You should choose this if your lawn is larger than what a 21-inch deck can handle efficiently. The extra weight provides stability but requires more effort to maneuver.
AMERISUN 21-Inch 170cc Self-Propelled Gas Mower
The AMERISUN 21-Inch 170cc model is designed for compact storage. Its folded dimensions are much smaller than the original, measuring 16.5 by 22.6 by 32.9 inches. It retains the steel deck and large wheels for uneven terrain. This makes it ideal for medium yards with limited storage space. The 3-in-1 mowing function matches the original. You should pick this if you need a 21-inch width but require a smaller footprint. The compact design is a key advantage for garages or sheds with tight clearance.
PowerSmart 22-Inch Self-Propelled Gas Mower
The PowerSmart EasyDrive Pro 22-Inch 170cc model offers a wider cut for larger lawns. It weighs 68 pounds, which is lighter than some competitors. The 22-inch deck covers more ground per pass. Rear-wheel drive provides necessary traction on slopes. This model fits users prioritizing cutting width over compact storage. The black color matches the original aesthetic. You should choose this if you have larger lawns needing efficient coverage. The wider deck reduces mowing time compared to the 21-inch original, making it a practical upgrade for bigger yards.
Quick picks
Our 7 picks
PowerSmart 21-Inch 170cc Self-Propelled Gas Mower
Best for: uneven terrain and durable steel deck needs
- Power Source
- Gas
- Cutting Width
- 21 in
- Drive Type
- Self-Propelled
- Deck Material
- Steel
- Cutting Height
- 1.5" to 3.9", 6-position
- Mowing Function
- 3-in-1
View on Amazon: PowerSmart 21-Inch 170cc Self-Propelled Gas Mower
This PowerSmart mower features a 170cc OHV 4-stroke engine and a 21-inch steel deck. It uses a rear-wheel drive self-propelled system for traction on slopes. You get three mowing modes: mulching, side discharge, and rear bagging. The cutting height adjusts in six positions from 1.5 to 3.9 inches. The foldable handle aids storage. This model suits users who need reliable power for medium-sized lawns with some uneven terrain.
Pros
- 170cc OHV 4-stroke engine with auto choke
- Rear-wheel drive self-propelled system
- Durable steel deck construction
- 3-in-1 mulching, side discharge, and bagging
- 6-position height adjustment from 1.5 to 3.9 inches
Cons
- 21-inch cutting width is narrower than the 22-inch competitors
- 59-pound weight is heavier than some alternatives
- Recoil start only, lacking electric start convenience
Good fit if
- You need a self-propelled mower for sloped or uneven lawns
- You prefer a durable steel deck over plastic
- You want versatile discharge options including rear bagging
Skip if
- You require a wider 22-inch cutting deck for faster coverage
- You prefer electric start for easier ignition
- You want a lighter mower for easy transport
Verdict: PowerSmart 21-Inch 170cc Self-Propelled Mower offers solid traction and durability for users who prioritize a steel deck and rear-wheel drive on uneven ground. It is a practical pick for those who do not need the wider 22-inch deck found in other options.
AMERISUN 21-Inch 170cc RWD Self-Propelled Gas Mower
Best for: Sloped lawns needing ready-to-use reliability
- Power Source
- Gas
- Cutting Width
- 21 in
- Drive Type
- Self-propelled
- Deck Material
- Reinforced steel
- Cutting Height
- 1.5-3.9 in, 6 positions
- Mowing Function
- 3-in-1
View on Amazon: AMERISUN 21-Inch 170cc RWD Self-Propelled Gas Mower
The AMERISUN 21-inch gas mower features a 170cc 4-cycle OHV engine with auto choke and forced air cooling. It uses a rear-wheel-drive system for traction on slopes. The reinforced steel deck supports a 3-in-1 mowing function. You get six cutting height positions from 1.5 to 3.9 inches. It arrives fully assembled for quick setup and folds for storage.
Pros
- 170cc 4-cycle OHV engine with auto choke
- Rear-wheel-drive self-propelled system
- Reinforced steel deck for durability
- 6-position height adjustment from 1.5 to 3.9 inches
- Fully assembled for easy setup
Cons
- Heavier at 66 pounds compared to lighter competitors
- Standard 21-inch cutting width limits coverage per pass
- No variable speed control listed for the drive system
Good fit if
- You need a mower that arrives ready to use
- You mow on inclines requiring rear-wheel traction
- You want a durable steel deck for fine clippings
Skip if
- You prefer a lighter unit under 60 pounds
- You want a wider 22-inch cutting path
- You need variable speed drive control
Verdict: AMERISUN 21-Inch 170cc Self-Propelled Gas Mower suits users who value a ready-to-use machine with strong traction on slopes. Its heavy steel deck and auto-choke engine provide reliable performance for standard lawn care tasks.
SENIX 22-Inch 170cc Self-Propelled Gas Mower
Best for: Uneven yards needing wider cuts and traction
- Power Source
- 170cc gas
- Cutting Width
- 22 in
- Drive Type
- Self-propelled
- Deck Material
- Steel
- Cutting Height
- 1.25-4 in, 6 positions
- Mowing Function
- 3-in-1
View on Amazon: SENIX 22-Inch 170cc Self-Propelled Gas Mower
The SENIX 22-Inch 170cc Gas Mower offers a wide 22-inch steel deck for efficient coverage. It features a rear-wheel drive system and a 170cc 4-cycle OHV engine. You get six cutting height settings from 1.25 to 4 inches. The package includes a 19-gallon bagger and mulch plug. This self-propelled model suits small to medium yards with uneven terrain.
Pros
- 22-inch steel cutting deck for wider passes
- Rear-wheel drive for better traction
- Includes 19-gallon bagger and mulch plug
- 6-position height adjustment from 1.25 to 4 inches
- Foldable handle for vertical storage
Cons
- Heavier at 72.8 pounds than most competitors
- Single-speed drive limits speed control
- 2-year warranty is shorter than industry standard
Good fit if
- You need a wider 22-inch cutting deck
- You have uneven terrain requiring rear-wheel drive
- You want a complete package with a bagger included
Skip if
- You prefer a lighter mower under 70 pounds
- You need variable speed control for different grass heights
- You require a warranty longer than 2 years
Verdict: SENIX 22-Inch 170cc Gas Mower is a robust option for those prioritizing deck width and traction on rough lawns. It fits users who value included accessories and sturdy build over lightweight maneuverability.
SENIX 22-Inch 170cc Self-Propelled Gas Mower
Best for: sloped lawns and thick grass
- Power Source
- Gas
- Cutting Width
- 22 in
- Drive Type
- Self-propelled
- Deck Material
- Steel
- Cutting Height
- 1.25–4 in, 6 positions
- Mowing Function
- 3-in-1
View on Amazon: SENIX 22-Inch 170cc Self-Propelled Gas Mower
This SENIX mower features a 22-inch cutting width and a 170cc 4-cycle engine. It uses rear-wheel drive with 11-inch wheels for better traction on slopes. The steel deck includes a vortex tunnel to reduce clogging. You get six cutting height settings and 3-in-1 mulching or bagging. It weighs 72.8 pounds and offers a 2-year warranty.
Pros
- 22-inch manganese steel cutting blade
- Rear-wheel drive with 11-inch wheels
- Patented vortex tunnel deck prevents clogging
- Steel deck construction for durability
Cons
- Heavier build at 72.8 pounds
- No electric start feature listed
- Manual height adjustment only
Good fit if
- You have hilly or uneven terrain
- You need a wider 22-inch cut
- You prefer rear-wheel drive traction
Skip if
- You want electric start convenience
- You prefer lighter equipment for storage
- You need a 21-inch cutting width
Verdict: SENIX 22-Inch 170cc Self-Propelled Mower suits users with sloped lawns who need rear-wheel drive traction. Its wider deck and anti-clog design handle thick grass efficiently.
PowerSmart 22-Inch Gas Self-Propelled Lawn Mower
Best for: Medium to large lawns with slopes
- Power Source
- Gas
- Cutting Width
- 22 in
- Drive Type
- Self-propelled
- Deck Material
- Steel
- Cutting Height
- 1.5-3.9 in, 6 positions
- Mowing Function
- 3-in-1
View on Amazon: PowerSmart 22-Inch Gas Self-Propelled Lawn Mower
This PowerSmart mower features a 22-inch steel deck and a 170cc 4-stroke OHV engine. It offers self-propelled rear-wheel drive for better traction on slopes. You get a 60L grass bag and six cutting height positions from 1.5 to 3.9 inches. The 75-pound build feels sturdy. It suits users with medium to large lawns who need reliable power and a wide cutting path.
Pros
- 22-inch steel cutting deck for wider coverage
- 170cc 4-stroke OHV engine for thick grass
- Rear-wheel drive for slope traction
- 60L grass bag reduces emptying frequency
Cons
- Heavier at 75 pounds than smaller models
- No electric start or battery option
- No variable speed control listed
Good fit if
- You have a lawn with slopes or uneven terrain
- You want a wider 22-inch cutting path
- You prefer a durable steel deck
Skip if
- You need a lightweight mower for easy storage
- You prefer electric or battery power
- You have a very small yard
Verdict: PowerSmart EasyDrive Pro 22-Inch 170cc is a robust option for users with medium to large lawns who need rear-wheel drive traction on slopes. It fits those who value a wide steel deck and a large grass bag capacity.
AMERISUN 21-Inch 170cc Self-Propelled Gas Mower
Best for: uneven terrain and compact storage
- Power Source
- Gas
- Cutting Width
- 21 in
- Drive Type
- Self-propelled
- Deck Material
- Steel
- Cutting Height
- 1.5"-3.9", 6 positions
- Mowing Function
- 3-in-1
View on Amazon: AMERISUN 21-Inch 170cc Self-Propelled Gas Mower
The AMERISUN 21-inch self-propelled mower features a 170cc 4-stroke OHV gas engine and a durable steel deck. It offers 3-in-1 mowing functions, including mulching and bagging with a 1.4-bushel catcher. The 6-position height adjustment ranges from 1.5 to 3.9 inches. Large 10-inch rear wheels help navigate uneven terrain. This model suits medium to large yards where consistent power is needed.
Pros
- 170cc 4-stroke OHV gas engine provides reliable starting
- 21-inch steel cutting deck supports side discharge, mulching, and rear bagging
- 6-position adjustable cutting height from 1.5 to 3.9 inches
- Large 10-inch rear wheels aid maneuverability on slopes
- Foldable handle allows for compact storage
Cons
- 21-inch cutting width is narrower than the 22-inch options on this list
- Single-speed self-propelled drive lacks variable speed control
- No variable speed control for the self-propelled drive
Good fit if
- You need a durable steel deck for long-term use
- You mow uneven terrain or slopes requiring large rear wheels
- You prefer a 21-inch cutting width for tighter spaces
Skip if
- You require a wider 22-inch cutting deck for faster coverage
- You want variable speed control for the self-propelled drive
- You prefer electric power sources over gas engines
Verdict: AMERISUN 21-Inch 170cc Gas Mower fits users who prioritize a steel deck and large wheels for uneven lawns. It is a solid choice for medium yards where a 21-inch width is sufficient.
PowerSmart 22-Inch Self-Propelled Gas Mower
Best for: larger lawns with slopes
- Power Source
- Gas
- Cutting Width
- 22 in
- Drive Type
- Self-propelled
- Deck Material
- Steel
- Cutting Height
- 1.5-3.9 in, 6 positions
- Mowing Function
- 3-in-1
The PowerSmart EasyDrive Pro 22-Inch 170cc mower offers a wide 22-inch steel deck for faster coverage. Its self-propelled rear-wheel drive reduces effort on slopes. You get 3-in-1 mulching, bagging, and discharge options. The 1.5 to 3.9-inch height adjustment handles varied grass. This model suits larger lawns where width and traction matter more than compact storage.
Pros
- 22-inch cutting width for faster mowing
- Self-propelled rear-wheel drive for slope traction
- 170cc 4-stroke engine for thick grass
- 3-in-1 mulch, bag, and discharge system
- Steel deck for durability
Cons
- Heavier at 68 pounds
- Larger folded dimensions for storage
- No tool-free assembly claim unlike competitors
Good fit if
- You have a larger yard needing wider cuts
- You mow on slopes requiring rear-wheel drive
- You need versatile discharge options
Skip if
- You need a compact storage footprint
- You prefer lighter equipment for easy handling
- You want a 21-inch cutting path
Verdict: PowerSmart EasyDrive Pro 22-Inch 170cc fits users with larger lawns who prioritize cutting width and slope traction over compact storage.
Specifications side by side
| Spec | PowerSmart 21-Inch 170cc Self-Propelled Gas Mower | AMERISUN 21-Inch 170cc RWD Self-Propelled Gas Mower | SENIX 22-Inch 170cc Self-Propelled Gas Mower | SENIX 22-Inch 170cc Self-Propelled Gas Mower | PowerSmart 22-Inch Gas Self-Propelled Lawn Mower | AMERISUN 21-Inch 170cc Self-Propelled Gas Mower | PowerSmart 22-Inch Self-Propelled Gas Mower |
|---|---|---|---|---|---|---|---|
| Power Source | Gas | Gas | 170cc gas | Gas | Gas | Gas | Gas |
| Cutting Width | 21 in | 21 in | 22 in | 22 in | 22 in | 21 in | 22 in |
| Drive Type | Self-Propelled | Self-propelled | Self-propelled | Self-propelled | Self-propelled | Self-propelled | Self-propelled |
| Deck Material | Steel | Reinforced steel | Steel | Steel | Steel | Steel | Steel |
| Cutting Height | 1.5" to 3.9", 6-position | 1.5-3.9 in, 6 positions | 1.25-4 in, 6 positions | 1.25–4 in, 6 positions | 1.5-3.9 in, 6 positions | 1.5"-3.9", 6 positions | 1.5-3.9 in, 6 positions |
| Mowing Function | 3-in-1 | 3-in-1 | 3-in-1 | 3-in-1 | 3-in-1 | 3-in-1 | 3-in-1 |
| Voltage | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc |
| Application | Lawn | Lawn | Garden, Lawn | Lawn | Lawn | Lawn | Lawn |
| Size | 21 Inch-170cc | not specified | 22INCH-170CC | not specified | 22 in. - 170 cc - Self Propelled | 21 Inch | 22 Inch-170cc |
| Dimensions | 56.5 × 22 × 42.5 inches | 59.8 × 26.7 × 38.4 inches | 37.5 × 23.8 × 15.9 inches | 32.8 × 24.1 × 15.9 inches | 59.8 × 22.8 × 38.4 inches | 32.9 × 16.5 × 22.6 inches | 59.8 × 38.4 × 22.8 inches |
| Weight | 59 pounds | 66 pounds | 72.8 pounds | 72.8 pounds | 75 pounds | not specified | 68 pounds |
| Color | Black | Black | Blue | Black | Black | Black+Red | Black |
| Model | DB8621S | AV8621S1 | LSSG-H4 | LSSG-H4 | DB8622S | AV8621S1 | DB8622S |
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Frequently asked questions
Which alternative has the widest cutting deck?
The SENIX 22-Inch models offer the widest cuts. Their decks measure 22 inches, which is one inch wider than the PowerSmart 21-Inch base model. This extra width allows you to cover more ground in a single pass. The SENIX units also weigh more, reaching up to 72.8 pounds. This added mass can help maintain traction on uneven or sloped terrain during mowing.
Are there lighter options for easier storage?
Yes, the AMERISUN 21-Inch model is designed for compact storage. When folded, its dimensions shrink to 16.5 by 22.6 by 32.9 inches. This makes it easier to fit into small garages or sheds compared to larger units. The PowerSmart 21-Inch model also offers a manageable footprint at 56.5 inches long. Both allow for straightforward maneuvering in tight spaces.
Do all alternatives use the same engine size?
Yes, all listed alternatives feature 170cc engines. This engine size is consistent across the PowerSmart and AMERISUN models. It provides sufficient power for standard lawn care tasks. The SENIX models also utilize 170cc engines despite their larger deck size. This uniformity ensures that you get comparable power output regardless of the brand or cutting width you choose.
Which mowers are best for sloped lawns?
The AMERISUN and SENIX models are ideal for slopes. Both brands emphasize rear-wheel drive traction to handle inclines effectively. The AMERISUN weighs 66 pounds, providing stability on uneven ground. The SENIX models are heavier at 72.8 pounds, which can further assist with traction on rough terrain. The PowerSmart 22-Inch model also offers rear-wheel drive for slope management.
Is there a difference in weight between the brands?
Weight varies significantly across these alternatives. The PowerSmart 21-Inch model weighs 59 pounds. The AMERISUN 21-Inch model is heavier at 66 pounds. The SENIX 22-Inch models are the heaviest, weighing 72.8 pounds. The PowerSmart 22-Inch model ranges from 68 to 75 pounds depending on the specific configuration. Heavier units may offer better stability but require more effort to move.
Do the SENIX models include mulching capabilities?
The SENIX models are designed for robust performance on rough lawns. While the data highlights their 22-inch cutting width and traction, it does not explicitly list mulching functions for these specific units. The AMERISUN models, however, do offer 3-in-1 mowing functions, which typically include mulching. You should verify the specific attachment requirements for the SENIX units if mulching is a priority.
Which model is best for medium to large lawns?
The PowerSmart 22-Inch models are best for larger areas. Their 22-inch cutting width allows you to cover more ground efficiently. The SENIX 22-Inch models also provide this wider cut. The larger grass bag capacity on the PowerSmart EasyDrive Pro further supports extended mowing sessions. These models suit users who prioritize cutting width over compact storage for bigger yards.






