PowerSmart 21" 3-in-1 Gas Push Lawn Mower with 140cc Briggs&Stratton 4-Stroke Engine - Wide Cutting Deck, 6 Height Adjustments, Mulching Capability

The PowerSmart 21-Inch Gas Push Lawn Mower is built for homeowners who need a straightforward gas-powered mower to maintain their yard. Powered by a 140cc Briggs & Stratton 4-stroke engine, it eliminates the need to pre-mix oil and fuel before filling up. Its wide steel deck offers a simple, push-operated layout designed to tackle residential lawns efficiently.

A key practical feature is the 21-inch cutting width, which lets you cover decent ground with fewer passes across the lawn. The mower features a versatile 3-in-1 system, giving you the choice to mulch grass clippings back into the turf, collect them in a rear bag, or use the side discharge chute. Changing the grass height is also straightforward with 6 distinct height positions ranging from 1.5 inches to 3.9 inches, allowing you to set the cut height for your lawn's condition.

The mower is constructed around a durable steel deck and a sturdy frame built to handle regular yard maintenance. Because it runs on a 4-stroke engine, fuel management is simplified compared to 2-stroke options, though standard small-engine maintenance remains part of ownership.

As a push mower, this unit relies entirely on physical effort to move across the grass, which may require more energy on uneven or sloped terrain. Additionally, while the engine requires minimal maintenance, gas engines still require regular routine care compared to electric alternatives, and the listing does not state the exact fuel tank capacity or overall mower weight.

Verdict: The PowerSmart 21-inch mower is a practical option for homeowners seeking a reliable gas push mower with a steel deck and flexible clipping options. It is best suited for medium-sized yards where a simple 4-stroke engine and 3-in-1 cutting system fit your lawn care routine.

• Engine Type: 140cc Briggs & Stratton 4-stroke
• Deck Width: 21 inches
• Deck Material: Steel
• Cutting System: 3-in-1 (side discharge, rear bagging, mulching)
• Height Adjustment: 6 positions (1.5 to 3.9 inches)
• Fuel Requirement: Standard gas (no oil and gas mixing)

A great fit if you:

• Want a gas lawn mower with separate oil and fuel management
• Prefer having three grass clipping options including mulching, bagging, and side discharge
• Need a wide 21-inch steel deck for clearing grass efficiently

Consider something else if you:

• Prefer a self-propelled mower to reduce manual pushing effort
• Want an electric or battery-powered engine with zero gas engine upkeep

Do I need to mix oil and gas for this engine?
No, the mower features a 4-stroke Briggs & Stratton engine that operates without mixing oil and gas.

What cutting options are available?
It features a 3-in-1 system that lets you choose between side discharge, rear bagging, and mulching.

What is the range of cutting heights?
The mower offers 6 height adjustments ranging from 1.5 inches to 3.9 inches.

What material is the deck made from?
The 21-inch cutting deck is constructed from sturdy steel.