As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
Finding the best PowerSmart 140cc lawn mowers requires checking key specs like cutting width and drive type. We compared 4 models based strictly on published listing data. The PowerSmart 21-Inch 140cc Gas Push Mower leads as the top pick because its sturdy steel deck and manual push drive suit flat yards well. This guide breaks down how each engine displacement and mowing function affects your daily use. You will learn which model fits your lawn size and terrain. Read on to decide which mower matches your specific needs.
Choose drive type for your terrain
Select a push mower for flat lawns where you prefer manual control. Choose self-propelled models for slopes or medium yards needing less effort. The top pick offers a 21-inch steel deck for sturdy performance. The budget option provides a wider 22-inch cut. All listed models share 140cc engines or equivalent power for consistent mowing results.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | PowerSmart 21-Inch 140cc Gas Push Mower Best overall | Flat lawns needing manual control | |
| 2 | PowerSmart 22-Inch 140cc Self-Propelled Gas Mower Best budget | Medium lawns needing a wider 22-inch cut | |
| 3 | PowerSmart 21-Inch 140cc Self-Propelled Gas Mower Best mulching | Sloped lawns needing rear-wheel traction and mulching | |
| 4 | PowerSmart 21-Inch Gas Push Lawn Mower Best cordless | small lawns and easy storage |
The best fit for you
- You want the best overall mower for flat yards – PowerSmart 21-Inch 140cc Gas Push Mower – It features a sturdy steel deck and 21-inch cutting width for manual pushing.
- You need a budget option with a wider cut – PowerSmart 22-Inch 140cc Self-Propelled Gas Mower – This model offers a 22-inch cutting width and self-propelled drive for medium lawns.
- You are mowing sloped lawns and need mulching – PowerSmart 21-Inch 140cc Self-Propelled Gas Mower – It provides rear-wheel traction for slopes and includes dedicated mulching and bagging functions.
- You prefer lightweight cordless mowing for small yards – PowerSmart 21-Inch Gas Push Lawn Mower – Weighing 63 pounds, this cordless push mower is the lightest and easiest to store.
PowerSmart 21-Inch 140cc Gas Push Mower
Best for: Flat lawns needing manual control
- Engine Displacement
- 140cc
- Cutting Width
- 21"
- Drive Type
- Push, rear-wheel drive
- Mowing Functions
- 3-in-1 (rear bag, mulch, rear discharge)
- Motor Type
- 140cc OHV
- Height Adjustments
- 6-position (1.5" – 3.9")
This PowerSmart push mower features a 140cc OHV engine and a 21-inch steel deck. It offers 3-in-1 bagging, mulching, and discharge options. The rear-wheel drive aids traction on slopes. You get six height settings from 1.5 to 3.9 inches. It suits small to medium lawns where you prefer manual propulsion over self-propelled models.
- 140cc OHV engine for reliable power
- 21-inch steel deck for durability
- 3-in-1 cutting functions
- Rear-wheel drive for traction
- 6-position height adjustment
- Push drive requires more physical effort
- 140cc engine is less powerful than 170cc options
- 10-inch rear wheels are smaller than typical self-propelled models
- You want a durable steel deck
- You need versatile mulching or bagging
- You prefer manual control on flat lawns
- You need self-propelled ease on hills
- You want maximum engine power
- You have a very large lawn
Verdict: PowerSmart 21-Inch 140cc Gas Mower fits homeowners who value a sturdy steel deck and manual control. It is ideal for flat yards where you do not mind pushing the mower.
PowerSmart 22-Inch 140cc Self-Propelled Gas Mower
Best for: Medium lawns needing a wider 22-inch cut
- Engine Displacement
- 140cc
- Cutting Width
- 22-Inch
- Drive Type
- Self-Propelled
- Mowing Functions
- 3-in-1
- Motor Type
- 140cc Briggs and Stratton E550 Engine
- Height Adjustments
- 6-position, 1.5in. to 3.9 in.
This PowerSmart mower features a 22-inch cutting width and a 140cc Briggs and Stratton E550 engine. The self-propelled rear-wheel drive helps with traction on slopes. It offers 3-in-1 mulching, side-discharge, or rear bagging. You get six height positions from 1.5 to 3.9 inches. The 72-pound build includes a 1.4-bushel bag. It suits medium lawns needing reliable power.
- 22-inch cutting width for wider passes
- 140cc Briggs and Stratton E550 engine for reliable power
- Self-propelled rear-wheel drive for better traction
- Six height positions from 1.5 to 3.9 inches
- 3-in-1 mulching, side-discharge, or rear bagging options
- Heavier at 72 pounds compared to lighter push models
- Smaller 1.4-bushel bag capacity than larger commercial units
- You need a wider 22-inch cut to finish jobs faster
- You have slopes requiring self-propelled traction
- You prefer the reliability of a Briggs and Stratton engine
- You only want a lightweight push mower
- You need a bag larger than 1.4 bushels
- You prefer a smaller 21-inch cutting deck
Verdict: PowerSmart 22-Inch 140cc Self-Propelled Mower fits homeowners with medium lawns who want a wider cut and self-propelled ease. It delivers solid power and versatile discharge options for consistent results.
PowerSmart 21-Inch 140cc Self-Propelled Gas Mower
Best for: Sloped lawns needing rear-wheel traction and mulching
- Engine Displacement
- 140cc
- Cutting Width
- 21 in.
- Drive Type
- Self-propelled
- Mowing Functions
- 2-in-1 (mulching, bagging)
- Motor Type
- 140cc Briggs and Stratton E550
- Height Adjustments
- 6 positions (1.5" to 3.9")
This PowerSmart mower features a 140cc Briggs and Stratton E550 engine and a 21-inch steel cutting deck. It is a self-propelled unit with rear-wheel drive, designed to handle inclines and uneven terrain. The 2-in-1 design supports mulching and bagging. It includes a 1.4-bushel rear collection bag and six height adjustments from 1.5 to 3.9 inches. It suits users who want reliable power and easier maneuvering on slopes.
- Briggs and Stratton E550 140cc engine with Prime 'N Pull easy-start system
- Rear-wheel drive self-propelled system for better traction on slopes
- 21-inch steel deck provides durable cutting and ultra-fine clippings
- Six-position single-lever height adjustment from 1.5 to 3.9 inches
- 1.4-bushel rear bag collects clippings for easy disposal or composting
- 2-in-1 configuration limits you to mulching or bagging, excluding side discharge
- 70-pound weight is substantial for a push or self-propelled mower
- 1.4-bushel bag capacity is smaller than typical 3-in-1 models
- You need rear-wheel drive to manage inclines or uneven terrain
- You prefer mulching or bagging without side discharge
- You want a Briggs and Stratton engine for reliable performance
- You require a 3-in-1 mower with side discharge capability
- You need a lighter mower for easy transport or storage
- You prefer a larger grass collection capacity than 1.4 bushels
Verdict: PowerSmart 21-Inch 140cc Self-Propelled Mower fits homeowners with sloped or uneven lawns who value rear-wheel traction and mulching. It is a practical choice for those who prioritize engine reliability and manageable height settings over side discharge options.
PowerSmart 21-Inch Gas Push Lawn Mower
Best for: small lawns and easy storage
- Engine Displacement
- 140cc
- Cutting Width
- 21"
- Drive Type
- Push
- Mowing Functions
- 3-in-1 (mulch, rear discharge, bag)
- Motor Type
- 140cc Briggs and Stratton E550
- Height Adjustments
- 6-position
This PowerSmart model features a 140cc Briggs and Stratton E550 engine and a 21-inch steel cutting deck. It operates as a push mower with 6-position height adjustment. The 3-in-1 system supports mulching, rear discharge, or bagging with a 1.4-bushel capacity. At 63 pounds, it is lightweight for easy storage. It suits small to medium lawns where manual pushing is acceptable.
- 140cc Briggs and Stratton E550 engine for reliable power
- 21-inch steel deck for durability
- 3-in-1 mulching, discharge, and bagging options
- 6-position rear height adjustment
- Foldable design for compact storage
- Push drive type requires more physical effort than self-propelled models
- 1.4-bushel bag capacity is smaller than typical self-propelled counterparts
- 63-pound weight adds bulk compared to lighter alternatives
- You prefer a lightweight mower for easy handling and storage
- You need mulching or bagging capabilities in a push mower
- You have a small to medium flat lawn
- You require self-propelled drive for hilly terrain
- You want to avoid manual pushing effort
- You need a larger bag capacity for frequent emptying
Verdict: PowerSmart 21-Inch Push Mower is a practical option for users who prioritize lightweight maneuverability and versatile discharge options over self-propelled convenience. It fits homeowners with smaller yards who do not mind pushing the machine.
Specifications side by side
| Spec | PowerSmart 21-Inch 140cc Gas Push Mower | PowerSmart 22-Inch 140cc Self-Propelled Gas Mower | PowerSmart 21-Inch 140cc Self-Propelled Gas Mower | PowerSmart 21-Inch Gas Push Lawn Mower |
|---|---|---|---|---|
| Cutting Width | 21" | 22-Inch | 21 in. | 21" |
| Drive Type | Push, rear-wheel drive | Self-Propelled | Self-propelled | Push |
| Mowing Functions | 3-in-1 (rear bag, mulch, rear discharge) | 3-in-1 | 2-in-1 (mulching, bagging) | 3-in-1 (mulch, rear discharge, bag) |
| Motor Type | 140cc OHV | 140cc Briggs and Stratton E550 Engine | 140cc Briggs and Stratton E550 | 140cc Briggs and Stratton E550 |
| Height Adjustments | 6-position (1.5" – 3.9") | 6-position, 1.5in. to 3.9 in. | 6 positions (1.5" to 3.9") | 6-position |
| Power Type | Gas | Gas | Gas | Cordless |
| Engine Displacement | 140cc | 140cc | 140cc | 140cc |
| Dimensions | 32.9 × 16.5 × 22.6 inches | 56.5 × 22 × 40.5 inches | 60.2 × 22.6 × 37.8 inches | 32 × 16 × 22 inches |
| Weight | – | 72 pounds | 70 pounds | 63 pounds |
| Size | 21-Inch | 22 Inch-140cc | 144cc & 2-in-1 | – |
| Color | Black+R | Red | Red | Bright red |
| Model | B8721S2 | HB8622S | B8721S1 | B8721P |
How to choose the right PowerSmart mower
Match cutting width to yard size
Cutting width determines how many passes you need to finish your lawn. A 21-inch deck is standard for average yards, while a 22-inch deck covers more ground per pass. The PowerSmart 22-Inch Self-Propelled model offers this wider cut, which reduces mowing time on medium lawns. If you have a smaller yard or tight spaces, a 21-inch deck provides better maneuverability. Check the listing for the exact width in inches. Wider decks require more storage space and effort to turn. Choose the width that balances speed with ease of handling in your specific layout.
Select drive type for terrain
Drive type dictates how much physical effort you exert while mowing. Push mowers require you to provide all the forward momentum. This works well on flat, even lawns. The PowerSmart 21-Inch Gas Push Mower is designed for this manual control. Self-propelled models move forward on their own, reducing fatigue on slopes or larger areas. The PowerSmart 21-Inch Self-Propelled model uses rear-wheel drive for better traction on uneven ground. Check the drive type in the specs. If your lawn has hills, self-propelled is the practical choice. For flat yards, push models are lighter and simpler.
Compare mowing functions and disposal
Mowing functions define how clippings are handled. Three-in-one models offer mulching, bagging, and side discharge. This versatility suits homeowners who want options for different seasons or grass conditions. The PowerSmart 21-Inch Gas Push Mower includes three-in-one functions. Some models prioritize mulching or bagging. Check the attributes list for specific functions. Mulching returns nutrients to the soil. Bagging keeps the lawn clean. Side discharge is fast for wet grass. Choose the function that matches your maintenance preferences and local disposal rules. Verify the available options in the product specifications.
Check weight for storage and handling
Weight affects how easy the mower is to lift and store. Heavier mowers often feel more stable but are harder to move. The PowerSmart 22-Inch Self-Propelled model weighs 72 pounds. The PowerSmart 21-Inch Gas Push Mower is lighter at 63 pounds. Lighter models are easier to carry up stairs or into small sheds. Check the weight in the specs section. If you store your mower indoors or in a tight garage, a lighter unit is more practical. Heavier models may offer more durability but require more effort to maneuver. Compare the poundage to your physical comfort level.
Review physical dimensions for storage
Physical dimensions determine if the mower fits your storage space. Height, width, and length vary significantly between models. The PowerSmart 21-Inch Self-Propelled model is 60.2 inches long. The PowerSmart 21-Inch Gas Push Mower is 32.9 inches long. Measure your garage or shed before buying. Taller mowers may not fit under low shelves. Longer mowers require more floor space. Check the length and height in the specs. Foldable handles can reduce storage footprint. Ensure the mower’s dimensions align with your available storage area to avoid fitting issues later.
Frequently asked questions
Which PowerSmart 140cc mower is best for flat lawns?
The PowerSmart 21-Inch Gas Push Mower is the best choice for flat yards. It features a sturdy steel deck and a 21-inch cutting width. As a push model, it requires manual effort but offers precise control. This setup is ideal if you prefer handling the mower yourself on even terrain.
Does the budget PowerSmart model have self-propelled drive?
Yes, the PowerSmart 22-Inch Self-Propelled Gas Mower includes self-propelled drive. It is ranked as the best budget option and weighs 72 pounds. The self-propelled feature reduces the effort needed to push the mower, making it suitable for medium-sized lawns where you want a wider 22-inch cut.
Which model is best for mulching on slopes?
The PowerSmart 21-Inch Self-Propelled Gas Mower is the best for mulching on slopes. It offers rear-wheel traction for better grip on uneven ground. The mower supports mulching and bagging functions. Its 21-inch cutting width and self-propelled drive help you manage slopes effectively while handling grass clippings efficiently.
Is there a lightweight PowerSmart 140cc option?
The PowerSmart 21-Inch Gas Push Lawn Mower is the lightest option at 63 pounds. Although listed with a 140cc attribute, it is a cordless model. Its compact dimensions and lower weight make it easy to maneuver and store. It is a practical choice for small lawns where easy handling is a priority.
What cutting widths are available in this list?
This list includes mowers with 21-inch and 22-inch cutting widths. The 21-inch models offer a standard cut suitable for average yards. The 22-inch self-propelled model provides a wider cut to cover more ground per pass. You can choose based on whether you prioritize maneuverability or speed.
Do these mowers support side discharge?
The PowerSmart 21-Inch Gas Push Mower and the 22-Inch Self-Propelled model both support 3-in-1 functions, which typically include side discharge. The 21-Inch Self-Propelled Mulching model focuses on mulching and bagging, offering 2-in-1 functions. Check the specific mowing functions listed for each model to confirm if side discharge is included.
Which mower has the largest overall dimensions?
The PowerSmart 21-Inch Self-Propelled Gas Mower has the largest overall dimensions. It measures 60.2 inches in length, 37.8 inches in height, and 22.6 inches in width. The 22-Inch Self-Propelled model is also large at 56.5 inches long. Consider these sizes if you have limited storage space for your mower.
