Keeping your lawn tidy is a fundamental part of home maintenance. When it comes to choosing the right equipment, the options can seem overwhelming. Two popular choices for residential use are the Greenworks Mower and the PowerSmart 21in. Each offers a different approach to lawn care, catering to various user preferences and yard types.
Quick Check
| Fact Name | Greenworks Mower | PowerSmart 21in |
|---|---|---|
| Product | ||
| Check Price | Check discount Price on Amazon | Check discount Price on Amazon |
| Product Dimensions | 65.35″D x 21.65″W x 33.07″H | 32.9″D x 16.5″W x 22.6″H |
| Material | Alloy Steel | Plastic |
| Item Weight | 21.65 Pounds | 28.12 Kilograms |
| Wattage | Battery Powered | Gas Powered |
Greenworks Mower Review

Greenworks Mower: At a Glance
Product Dimensions: 65.35″D x 21.65″W x 33.07″H
Material: Alloy Steel
Wattage: Battery Powered
Item Weight: 21.65 Pounds
Greenworks Mower
The Greenworks Mower offers a modern approach to lawn care, focusing on battery-powered efficiency and user convenience. Its design prioritizes a clean operation with minimal upkeep.
What We Like
- Maintenance-free operation with no gas, oil, or emissions.
- Brushless motor for increased torque and quieter performance.
- 7-position single-lever height adjustment for versatile cutting.
- Self-propelled rear-wheel drive for tackling varied terrain.
- Vertical storage capability to save space.
Things to Consider
- Run-time dependent on battery charge and grass conditions.
- Performance can vary based on operator technique.
Greenworks 40V 21″ Brushless Cordless (Self-Propelled) Lawn Mower (75+ Compatible Tools), 5.0Ah Battery and Charger Included
PowerSmart 21in Review

PowerSmart 21in: At a Glance
Product Dimensions: 32.9″D x 16.5″W x 22.6″H
Material: Plastic
Wattage: Gas Powered
Item Weight: 28.12 Kilograms
PowerSmart 21in
The PowerSmart 21in represents a more traditional method of lawn mowing, utilizing a gasoline engine for its power source. It’s built for straightforward operation and reliable performance.
What We Like
- Powered by a reliable 125cc B&S 4-stroke engine.
- Lightweight design at 62 lbs for easier maneuverability.
- 6-position height adjustment for customized lawn length.
- Designed for easy assembly and maintenance.
Things to Consider
- Requires gasoline and regular engine maintenance.
- Operates with a noisier engine compared to electric alternatives.
PowerSmart 21″ Push Lawn Mower, B&S 125cc Engine, 2-in-1 Mulching and Side Discharge, Lightweight, Easy Assembly, Cordless Push Lawn Mowers for Garden Yard
The Biggest Difference
The most significant divergence between the Greenworks Mower and the PowerSmart 21in lies in their power source and associated operational styles. The Greenworks Mower relies on battery power, offering a quieter, emission-free experience with the convenience of not needing to refuel.
In contrast, the PowerSmart 21in utilizes a gasoline engine. This means more robust power for potentially tougher jobs but comes with the traditional requirements of fuel, oil, and a more involved maintenance schedule. The choice here directly impacts the user’s routine and environmental considerations.
What Changes in Real Life
- For smaller yards or those prioritizing quiet operation, the Greenworks Mower offers a seamless start and minimal interruption to neighbors.
- If your property has challenging inclines or thick grass, the self-propelled feature of the Greenworks Mower can significantly reduce physical strain.
- For users who prefer a more hands-on approach to maintenance and appreciate the audible feedback of an engine, the PowerSmart 21in provides a familiar experience.
- If easy storage is a priority, the vertical storage option of the Greenworks Mower can be a game-changer for garages or sheds.
- For those who frequently mow larger areas and want consistent power without battery recharges, the gasoline-powered PowerSmart 21in offers uninterrupted operation.
- When starting up your mower on a crisp morning, the instant start of the Greenworks Mower is a notable convenience over the pull-cord start of a gas mower.
How These Actually Work (And Why It Matters)
The Greenworks Mower employs a brushless DC motor powered by a rechargeable battery pack. This electric system provides instant torque for cutting and operates with significantly less noise and vibration. Its efficiency translates to less maintenance, as there are no spark plugs, fuel filters, or oil changes required.
The PowerSmart 21in uses a traditional internal combustion engine. Fuel and air are mixed and ignited, generating mechanical power to spin the cutting blade. This design is known for its raw power output but necessitates regular servicing, including oil checks and potential carburetor adjustments.
Which One Is Best for You?
When deciding between the Greenworks Mower and the PowerSmart 21in, consider your lawn’s size, your tolerance for maintenance, and your environmental preferences. Both offer effective cutting solutions, but their operational styles differ.
Which One Fits Your Life?
- If you prefer a quiet mowing experience and want to avoid gas and oil, the Greenworks Mower is likely a better fit.
- If your priority is a powerful engine for potentially dense grass and you don’t mind traditional maintenance, the PowerSmart 21in is a strong contender.
- If you have limited storage space, the vertical storage option of the Greenworks Mower is ideal.
- If you value a lightweight and easily maneuverable mower, the PowerSmart 21in might be preferable.
- If you’re looking for a virtually maintenance-free lawn care tool, the Greenworks Mower is the clear choice.
My Honest Recommendation
For those seeking an eco-friendlier and quieter lawn care solution with minimal maintenance, the Greenworks Mower stands out. Its battery-powered operation and self-propelled feature make it convenient for many residential yards.
Conversely, if you prefer the familiar power and operation of a gasoline engine, and are comfortable with regular maintenance, the PowerSmart 21in offers reliable performance for your lawn care needs.
Feature Comparison
| Feature | Greenworks Mower | PowerSmart 21in |
| Power Source | Battery Powered | Gas Powered |
| Deck Width | 21 Inches | 21 Inches |
| Cutting Height Adjustments | 7-Position | 6-Position |
| Drive Type | Self-Propelled (Rear Wheel Drive) | Push Mower (Weight suggests maneuverability) |
| Motor/Engine | Brushless Motor | 125cc B&S 4-Stroke Engine |
| Maintenance | Virtually Maintenance Free | Standard Gas Engine Maintenance Required |
| Storage | Vertical Storage Option | Standard Storage |
Specifications Comparison
| Fact Name | Greenworks Mower | PowerSmart 21in |
|---|---|---|
| Brand | Greenworks | PowerSmart |
| Model | Mower | 21in Gas 125CC |
| Color | Lmf403 | Black |
| Material | Alloy Steel | Plastic |
| Product Dimensions | 65.35″D x 21.65″W x 33.07″H | 32.9″D x 16.5″W x 22.6″H |
| Wattage | Battery Powered | Gas Powered |
| Item Weight | 21.65 Pounds | 28.12 Kilograms |
Maintenance and Care
The Greenworks Mower requires very little in terms of ongoing maintenance. Beyond occasional blade sharpening or cleaning, its electric nature means no fuel, oil, or spark plugs to worry about. Battery care involves proper charging and storage.
The PowerSmart 21in, being gasoline-powered, will need more attention. This includes regular oil level checks, air filter cleaning or replacement, spark plug maintenance, and ensuring the fuel system is clean. Following the manufacturer’s schedule is key to its longevity.
When to Buy for Better Deals
Finding the right deal can make your lawn care investment even more worthwhile. Keep an eye out for seasonal promotions and bundles that might include extra batteries or accessories.
- Look for package deals that include batteries and chargers for the Greenworks Mower.
- Compare prices across major online retailers for the PowerSmart 21in.
- Sign up for newsletters from gardening or home improvement stores for sale alerts.
- Check for refurbished models if budget is a primary concern for either mower.
FAQs
What is the run-time for the Greenworks Mower?
The Greenworks Mower offers up to 45 minutes of run-time with a fully charged 5.0Ah battery, though this can vary based on grass conditions.
How heavy is the PowerSmart 21in?
The PowerSmart 21in weighs approximately 62 lbs, making it designed for easier pushing and maneuvering.
Does the Greenworks Mower come with a battery?
While specifications can vary by seller, it is common for Greenworks battery mowers to be sold with batteries and chargers, though it’s advisable to check the specific product listing.
What type of engine does the PowerSmart 21in use?
The PowerSmart 21in is equipped with a 125cc 4-stroke OHV engine powered by B&S.
Can the Greenworks Mower cut different grass lengths?
Yes, the Greenworks Mower features a 7-position single-lever height adjustment to accommodate various grass lengths and cutting preferences.
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Final Decision
Both the Greenworks Mower and the PowerSmart 21in offer effective lawn mowing solutions, each with distinct advantages for different user needs.
Your final choice will depend on your personal priorities regarding power source, maintenance, and operational convenience.
Choosing the right lawn mower depends heavily on your individual needs and preferences. The Greenworks Mower provides a modern, low-maintenance, and quiet electric option, while the PowerSmart 21in offers the robust power and familiar operation of a gasoline engine.
Consider factors like yard size, noise tolerance, and your willingness to perform maintenance when making your decision. Both models are designed to keep your lawn looking its best.