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AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — full head-to-head comparison.

Overview

When it comes to lawn care, choosing the right equipment is crucial for maintaining a healthy and beautiful yard. In this comparison, we’ll look at the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier. The AMERISUN mower is priced at $238.49, while the Sun Joe dethatcher is about 41% cheaper at $139.99. Each product serves different purposes, making it essential to understand their features to determine which one suits your needs.

Performance

The AMERISUN lawn mower boasts a powerful 144cc 4-stroke OHV gas engine, providing strong cutting power suitable for small to medium yards. Its robust design ensures effective performance over various grass types, making lawn mowing a straightforward task. In contrast, the Sun Joe features a 12-amp motor and a 12.6-inch cutting width, which excels in dethatching and scarifying rather than mowing. This makes the Sun Joe ideal for enhancing lawn health by aerating soil and removing thatch, but it does not replace the mowing function.

Versatility

The AMERISUN lawn mower is highly versatile with its 3-in-1 capabilities, allowing for mulching, bagging, and side discharge. This feature ensures that homeowners can choose the best method for their lawn's needs, whether they prefer nutrient-rich mulch or a tidy yard. On the other hand, the Sun Joe focuses on lawn maintenance through dethatching and scarifying, offering customizable depth control with five height settings. While both products serve distinct purposes, the AMERISUN provides more versatility for regular lawn care.

Ease of Use

With a weight of just 68 lbs, the AMERISUN is designed for easy maneuverability, making it user-friendly for those who may not be as physically strong. The foldable handle also aids in storage, ensuring convenience for homeowners. Meanwhile, the Sun Joe features an 8-gallon detachable collection bag that simplifies cleanup and disposal of thatch and debris. However, since the Sun Joe is corded, users must manage the power cable while operating it, which can limit mobility compared to the gas-powered AMERISUN.

Maintenance

The AMERISUN lawn mower requires regular maintenance typical of gas-powered engines, including oil changes and fuel management. Its rust-resistant steel deck ensures durability, though users must take care to avoid corrosion over time. In contrast, the Sun Joe’s electric design requires less maintenance overall, as there are no fuel or oil issues to deal with. This can make the Sun Joe a more attractive option for those looking for convenience in upkeep.

Cleanup Efficiency

The AMERISUN lawn mower features a 1.4-bushel grass catcher that helps keep your lawn tidy with minimal effort. This means less time spent raking and more time enjoying your yard. The Sun Joe, with its 8-gallon collection bag, is equally efficient in cleanup but is specifically designed for thatch and debris removal. While both products effectively aid in maintaining a clean yard, the AMERISUN’s capabilities in both mowing and cleanup may provide a more comprehensive solution for most homeowners.

Environmental Impact

The AMERISUN, being a gas mower, emits emissions typical of gas-powered engines, which may be a concern for environmentally conscious consumers. However, it offers strong performance in cutting grass. Conversely, the Sun Joe’s electric motor provides a cleaner alternative, producing no emissions during operation. This makes the Sun Joe a more eco-friendly choice for lawn care, appealing to those who prioritize sustainability.

Price Comparison

The AMERISUN is priced at $238.49, while the Sun Joe comes in at $139.99. This makes the Sun Joe about 41% less expensive than the AMERISUN, presenting a more budget-friendly option for consumers. However, the price difference reflects the distinct functionalities of each product; the AMERISUN serves as a mower, while the Sun Joe functions primarily as a dethatcher and scarifier. Therefore, potential buyers should consider how often they will use each feature when evaluating the price.

Which should you buy?

Choosing between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier ultimately depends on your specific lawn care needs. If you require a versatile mower that handles various mowing tasks, the AMERISUN is the better choice despite its higher price. However, if your primary concern is lawn health and maintenance with a focus on dethatching, the Sun Joe is a more affordable and environmentally friendly option. Assessing your lawn care priorities will help you make the best decision for your outdoor space.