PowerSmart Gas Lawn Mower 21-in 140cc Briggs and Stratton - Reliable

In this review the PowerSmart Gas Lawn Mower 21-in with a 140cc Briggs and Stratton E550 engine is evaluated for homeowners who need a dependable walk-behind mower for medium to large yards. The single biggest reason to consider this mower is its combination of a US-made Briggs and Stratton motor with a durable 21 in all-steel deck, which together deliver consistent cutting power and a clean cut through thicker grass. The mower ships ready to use, includes engine oil and a side discharge chute, and aims to simplify routine mowing with its Prime 'N Pull starting and foldable handle for compact storage.

Key Features

• 140cc Briggs and Stratton Engine: A Made-in-USA E550 engine with Prime 'N Pull provides reliable power and is designed for easier starting and lower operating noise.
• 21-in Cutting Deck: The all-steel 21 in deck and heavy-duty blade deliver a robust, even cut and stand up to regular seasonal use.
• 3-in-1 Grass Management: Mulch, rear bagging or side discharge options add flexibility for different yard conditions and cleanup preferences.
• 1.4 Bushel Rear Bag: The included rear bag collects clippings for neater results and fewer passes when handling larger mowing jobs.
• Adjustable Cutting Heights: Double-lever, six-position height adjustment lets users choose from 1.5 in to 3.9 in for trimmed lawns or longer grass.
• Easy Storage and Setup: Arrives fully assembled, includes engine oil, and the foldable handle design reduces storage footprint in a shed or garage.

Who It's For

The PowerSmart mower suits homeowners with small to medium lawns who want a straightforward gas mower that balances power and convenience. Those who value a US-made Briggs and Stratton engine and the flexibility of a 3-in-1 deck will appreciate how it handles thicker grass without bogging down and how the 1.4 bushel bag simplifies cleanup.

It may be less ideal for users seeking ultra-lightweight or battery-powered machines, or for commercial landscapers who require extended duty cycles and heavier warranties. Some customers reported mixed starting experiences, so buyers who need guaranteed instant starts every time may prefer models with self-propelled drive or electric start.

Pros & Cons

Pros

• Strong cutting performance from the Briggs and Stratton 140cc engine that handles thick grass effectively.
• Durable 21 in all-steel deck and heavy-duty blade for season-to-season use.
• Flexible 3-in-1 mowing options and a 1.4 bushel rear bag for cleaner results.
• Convenient storage with foldable handle and ships fully assembled to reduce setup time.

Cons

• Starting is mixed for some users; a few report multiple pulls are needed rather than immediate starts.
• Not self-propelled, which may be tiring on larger or hilly yards.

Specifications

Our Verdict

The PowerSmart 21-in gas mower is a solid choice for homeowners seeking dependable cutting performance and a durable steel deck at a reasonable value. Its Briggs and Stratton 140cc engine and 3-in-1 versatility make it well suited to typical residential yards, while the included bag and adjustable heights add practical convenience. Buyers who need self-propel or guaranteed instant starts should compare other options, but for many this mower represents a reliable, cost-effective tool.

Frequently Asked Questions

Does this mower come assembled?
Yes, it comes fully assembled and includes engine oil and a side discharge chute.

What starting system does the engine use?
The mower uses a Briggs and Stratton E550 140cc engine with Prime 'N Pull to aid starting.

Can I change how clippings are handled?
Yes, the deck supports mulch, rear bagging with a 1.4 bushel bag, or side discharge depending on your preference.