AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs SKIL PWR CORE 40 Brushless 40V 20-Inch
Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with wins on deck size, SKIL PWR CORE 40 Brushless 40V 20-Inch wins on runtime and battery.
The AMERISUN mower offers a budget-friendly gas option, while the SKIL mower provides modern electric features. Choose based on your preference for gas or electric.
Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better
Price
AMERISUN is $110.51 cheaper
Weight
AMERISUN is lighter at 68 lbs
Build
AMERISUN has a rust-resistant steel deck
Why SKIL PWR CORE 40 Brushless 40V 20-Inch is better
Power
SKIL features a digital brushless motor
Runtime
SKIL offers up to 50 minutes of runtime
Self-Propelled
SKIL has a self-propelled feature for easier use
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with | SKIL PWR CORE 40 Brushless 40V 20-Inch |
|---|---|---|
| Engine Type | Gas | Electric |
| Start Type | Recoil | Push-button |
| Mowing Options | 3-in-1 | 3-in-1 |
| Self-Propelled | No | Yes |
| Durability | Steel | Weather-resistant |
Dimension comparison
Price Comparison
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is priced at $238.49, making it about 31% cheaper than the SKIL PWR CORE 40 Brushless 40V 20-Inch Self-Propelled Mower Kit, which retails for $349.00. Price-sensitive consumers may find the AMERISUN an attractive option, especially if they're working with a budget for lawn care.
The AMERISUN mower offers a strong value for those needing a reliable gas-powered option for small to medium yards. In contrast, the SKIL mower, while more expensive, provides modern features such as a self-propelled mechanism and a digital brushless motor, which could justify the higher price for some buyers.
Engine and Power Source
The AMERISUN mower runs on a powerful 144cc 4-stroke OHV engine, offering robust cutting performance for residential lawn care. This engine type is known for its reliability and ease of maintenance, making it suitable for users who prefer traditional gas mowers.
On the other hand, the SKIL mower is powered by a 40V digital brushless motor, which is designed for efficient performance without the hassle of gas. This modern power source allows for up to 50 minutes of runtime on a single charge, providing convenience for those who prefer electric mowers. The choice of engine type may significantly impact user experience, depending on whether one values the traditional gas mower's power or the convenience of electric models.
Cutting Performance
The cutting performance of the AMERISUN mower is facilitated by its 21-inch rust-resistant steel deck, which is ideal for tackling tough grass and maintaining a clean lawn. With six adjustable cutting heights ranging from 1.5 to 3.9 inches, users can tailor their mowing to specific grass types and conditions.
Conversely, the SKIL mower features a 20-inch cutting deck with seven single-lever height adjustments from 1.5 to 4 inches. This slight difference in cutting area may appeal to those who prioritize precision in their lawn mowing. Additionally, the self-propelled feature of the SKIL mower allows for easier maneuverability across larger areas, potentially enhancing overall cutting efficiency.
Functionality and Features
Both mowers offer versatile functionality, but they cater to different user preferences. The AMERISUN mower is a 3-in-1 model that provides mulching, bagging, and side discharge capabilities. This versatility can be particularly beneficial for homeowners looking to maintain their lawn in various ways throughout different seasons.
In comparison, the SKIL mower also offers 3-in-1 functionality, allowing users to choose between bagging, mulching, and rear-discharging. However, it distinguishes itself with its self-propelled operation and push-button start, which simplifies the mowing process. For those who prioritize ease of use and modern features, the SKIL mower may be more appealing despite its higher price.
Weight and Maneuverability
Weighing in at 68 lbs, the AMERISUN mower is designed for easy maneuverability across the yard. Its durable wheels and foldable handle enhance mobility and storage convenience, making it suitable for homeowners who may not have extensive physical strength or who want a mower that is easy to store.
The SKIL mower, while it does not specify its exact weight, is designed with a telescoping handle that folds down for vertical storage. The self-propelled feature adds a layer of convenience, allowing users to navigate their lawns with less physical effort. This can be especially advantageous for those with larger properties or uneven terrain, making the SKIL mower a potentially better option for those needing superior maneuverability.
Battery and Runtime
The AMERISUN mower does not require a battery, relying instead on its gas-powered engine, which can be advantageous for users who prefer traditional lawn mowers without the need for electrical considerations. However, this means users must manage fuel levels and maintenance associated with gas engines.
In contrast, the SKIL mower comes with a 6.0Ah battery and an Auto PWR JUMP charger, allowing for a quick recharge and up to 50 minutes of runtime on a single charge. This battery-powered design is more environmentally friendly and eliminates the need for gasoline. Users who appreciate the ease of charging and the absence of emissions may find the SKIL mower a more appealing choice.
Build Quality and Durability
The AMERISUN mower features a rust-resistant steel deck, which is essential for longevity and durability when exposed to outdoor conditions. Its robust construction is aimed at handling the rigors of regular lawn care, making it a reliable option for residential use.
On the other hand, the SKIL mower's weather-resistant construction adds another layer of durability, ensuring that it can withstand various outdoor elements. Although both mowers are built to last, the choice between them may come down to personal preference regarding the construction materials and the associated maintenance demands of gas versus electric models.
Which should you buy?
Choosing between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the SKIL PWR CORE 40 Brushless 40V 20-Inch Self-Propelled Mower Kit ultimately depends on individual needs and preferences. The AMERISUN mower is about 31% cheaper and offers reliable gas-powered performance, making it a great choice for budget-conscious consumers.
Conversely, the SKIL mower provides modern features such as self-propulsion and a digital brushless motor, appealing to those who prioritize ease of use and efficiency. If you prefer the convenience of an electric mower and are willing to invest more upfront, the SKIL is worth considering. Each mower has its strengths, so the best choice will align with your specific lawn care requirements.

