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Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine

Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine

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$349.99at Lowe'sObserved at 1:33 AM

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Our take on the Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine

The Amerisun is a 21-inch gas walk-behind mower with a 144cc engine and self-propelled drive, aimed at small to mid-size lawns. The 21-inch deck is the common size for this class, so it fits standard bagging and mulching setups. At $349.99 at Lowe's as of November 5, 2026, it sits at the low end of what self-propelled gas mowers cost; only one store lists it new, so there is no price competition to compare against.

Best forHomeowners with a quarter acre or lessBuyers who want self-propelled drive on a budgetReplacing an old push mowerFlat or gently sloped yards
Pros
  • Self-propelled drive cuts pushing effort
  • 21-inch deck is a common, easy-to-find size
  • 144cc engine is enough for routine mowing
  • Low price for a self-propelled gas mower
Cons
  • Only one store lists it, so no price shopping
  • 144cc is small for thick or wet grass
  • Amerisun is a minor brand with limited service network
  • No battery or cordless option

Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine prices at every store

  • Lowe'sNew

    In stock

    $349.99Observed at 1:33 AM
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Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine price history

Lowest price we've seen: $349.99 on Nov 5 at Lowe's. Tracked across 1 store since Nov 5.

Specifications

Power Source
Gas
Blade System
Rotary
Cutting Width
21″ deck

Questions and answers

Is the Amerisun mower worth $349.99?
It is a low price for a self-propelled gas mower, so it makes sense if you want the drive without paying premium-brand money. Check that a local shop can service the engine before you buy.
How big a lawn can a 144cc engine handle?
A 144cc engine on a 21-inch deck suits lawns up to about a quarter acre. It will bog down in tall, wet or thick grass, so mow regularly.
Does it bag, mulch and side discharge?
Most 21-inch rotary mowers in this class offer all three, but confirm the included discharge setup on the listing. Mulching usually needs a plug or blade kit.
Is it hard to push on a slope?
The self-propelled drive does most of the work on gentle slopes. On steep hills, a small 144cc engine and light deck can still feel underpowered.
When is the price lowest?
Gas mowers usually drop in late summer and early fall as stores clear seasonal stock. At $349.99 at Lowe's as of November 5, 2026, watch for end-of-season markdowns.
Where is the Amerisun 21" Gas Self-Propelled Lawn Mower with 144cc Engine cheapest?
At Lowe's, for $349.99, as of our latest check.

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