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AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc vs BLACK+DECKER Electric Lawn Mower, Weed Eater and

Updated July 2026 — AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc leads on engine size and weight.

The AMERISUN mower is more powerful and versatile, making it ideal for larger lawns, while the BLACK+DECKER is a budget-friendly option for smaller spaces.

Why AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc is better

Cutting Power

144cc engine vs 6.5 amp motor

Cutting Width

21-inch vs 12-inch

Versatility

3-in-1 with mulching, bagging, and side discharge

Why BLACK+DECKER Electric Lawn Mower, Weed Eater and is better

Price

$74.92 vs $238.49

Weight

Lightweight design for easy maneuverability

Maintenance

Lower maintenance with electric operation

Overall score

AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc
85
BLACK+DECKER Electric Lawn Mower, Weed Eater and
70

Specifications

SpecAMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144ccBLACK+DECKER Electric Lawn Mower, Weed Eater and
Engine TypeGasElectric
Mowing Functions3-in-13-in-1
Warranty1 Year2 Years
Cutting Height1.5-3.9 in1.6 in
Sales Rank86535395

Dimension comparison

AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144ccBLACK+DECKER Electric Lawn Mower, Weed Eater and

Overview of the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower

The AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower is priced at $238.49, making it a solid choice for those seeking a reliable gas-powered option. This mower features a 144cc 4-cycle OHV engine, designed to deliver consistent cutting performance for small to medium-sized lawns. Weighing in at 68 lbs, it has a 21-inch cutting deck that not only reduces mowing time but also provides even coverage. The versatility is enhanced by its 3-in-1 capabilities, allowing for mulching, bagging, or side discharge, making it suitable for various lawn maintenance needs.

Overview of the BLACK+DECKER Electric Lawn Mower

The BLACK+DECKER Electric Lawn Mower, priced at $74.92, offers a budget-friendly electric option for homeowners. This mower is part of a 3-in-1 combo that includes a weed eater and edger, providing great versatility for lawn care. With a 12-inch cutting width powered by a 6.5 amp motor, this model is designed for compact spaces and can tackle tough weeds and thick grass. Its lightweight design ensures easy maneuverability, making it ideal for small lawns and tight areas.

Cutting Performance Comparison

When it comes to cutting performance, the AMERISUN mower stands out with its powerful 144cc engine, providing robust performance for thicker grass. In contrast, the BLACK+DECKER mower operates on a 6.5 amp electric motor, which is sufficient for light to moderate grass but may struggle with tougher conditions. The AMERISUN's 21-inch cutting deck allows for a more efficient mowing experience, while the BLACK+DECKER’s 12-inch width is better suited for smaller yards. The AMERISUN may be particularly advantageous for users with larger lawns needing a strong and consistent cut.

Versatility in Lawn Care

Both mowers offer 3-in-1 functionality, but they serve different purposes. The AMERISUN mower provides mulching, bagging, and side discharge options, making it adaptable to various lawn care tasks. Its large-capacity 1.4-bushel grass catcher minimizes the need for frequent emptying, which enhances productivity. Meanwhile, the BLACK+DECKER mower combines mowing, trimming, and edging capabilities, making it an excellent all-in-one solution for smaller spaces. This versatility can be particularly appealing for homeowners looking to simplify their lawn care routine.

Weight and Maneuverability

The AMERISUN mower weighs 68 lbs, which is relatively light for a gas mower but still requires some effort to push, especially on uneven terrain. The design includes durable wheels that enhance stability and maneuverability. On the other hand, the BLACK+DECKER mower is designed to be lightweight, making it easy to navigate through tight spots and around obstacles. Its adjustable handle further adds to the comfort during use, making it a better choice for users who may need to lift or reposition their mower frequently.

Maintenance and Operation

Gas mowers like the AMERISUN generally require more maintenance than electric mowers due to their engines. Users need to consider fuel, oil changes, and engine upkeep, which can be time-consuming. In contrast, the BLACK+DECKER mower features an Automatic Feed Spool (AFS) system, promoting uninterrupted operation without manual adjustments. This makes it easier for users who prefer low-maintenance options. With a two-year limited warranty, the BLACK+DECKER mower offers additional peace of mind regarding its durability.

Pricing and Value

The AMERISUN mower is priced at $238.49, while the BLACK+DECKER mower is significantly cheaper at $74.92, making it about 68% less expensive. While the AMERISUN offers more robust performance and features suited for larger lawns, the BLACK+DECKER presents excellent value for those with smaller spaces. The price difference reflects the intended use of each mower; the AMERISUN is designed for more serious lawn care, while the BLACK+DECKER caters to casual maintenance.

Which should you buy?

Choosing between the AMERISUN 21-Inch Gas Push Lawn Mower and the BLACK+DECKER Electric Lawn Mower ultimately depends on your specific needs and lawn size. If you manage a larger lawn and require a powerful, versatile mower, the AMERISUN is the better choice despite its higher price of $238.49. However, for those with smaller lawns or limited budgets, the BLACK+DECKER offers substantial functionality at a much lower price of $74.92. Consider your lawn care requirements, budget, and maintenance preferences to make the best decision.