Search  for anything...
AMERISUN

AMERISUN Gas-Powered Lawn Mower Self-Propelled, 170cc OHV Engine with Air Cooling, 21" Steel Deck, 3-in-1 Cutting System, 6-Level Height Adjustment, 1.4-Bushel Grass Catcher, Foldable Design

  • Based on 179 reviews
Condition: New
Checking for the best price...
$314.72 Why this price?
Save $84.28 was $399.00

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Thursday, Oct 29
Order within 16 hours and 38 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Style: 3IN1 Self Propelled Lawn Mower


Features

  • 170CC OHV ENGINE WITH AIR COOLING Designed for reliable cutting power, the 170cc OHV engine with forced air cooling keeps mowing smooth and consistent.
  • 3-IN-1 CUTTING WITH LARGE GRASS CATCHER Mulch, rear bag, or side dischargeplus a 1.4-bushel grass catcher for extended mowing without stops.
  • SELF-PROPELLED FOR EFFORTLESS OPERATION The rear-wheel self-propelled system glides forward, taking the strain out of mowing larger or sloped lawns.
  • 21-INCH STEEL DECK FOR WIDE COVERAGE The rugged 21"" steel deck allows for faster mowing with fewer passes across medium to large yards.
  • 6-POSITION HEIGHT CONTROL & EASY STORAGE Quickly switch cutting height between 1.5""3.9"", and fold the handle for compact garage storage.

Description

Proudly American-born and made in the USA, our mission is to deliver tech-driven, rugged generators, lawnmowers, snow blowers and pressure washers—elevating outdoor care with smart performance to nurture vibrant, thriving spaces worldwide. Amerisun 21-inch gas lawn mower with 2-in-1 cutting delivers strong performance and clean results for easy, efficient mowing. Amerisun 14-inch corded 2IN1 lawn mower delivers steady electric power, lightweight control, and efficient mowing for small lawns. Amerisun 3800 PSI gas pressure washer tackles tough grime with steady power, rugged durability, effective cleaning for any job. Amerisun 21-inch 3IN1 self-propelled gas lawn mower delivers smooth control, strong power, and versatile lawn care. Strong, steady cutting performance powered by a 170cc OHV engine. Work smarter with fuel-saving power that goes the distance. Run cooler, run longer with a powerful forced air-cooling system. Mow smarter, not harder – let the self propelled drive power through your yard with ease. Choose your cut—mulch for quick, bag-free cleanup or side discharge to power through tall grass. 1.4-bushel catcher collects clippings neatly for a cleaner, mess-free lawn. Get wide, lasting coverage with a tough 21" steel deck—perfect for small to medium yards. From 1.5" to 3.9" (6 positions) customize your cut for the ideal lawn finish. This mower is designed for your convenience—easy to assemble right out of the box and just as simple to store away. Its compact, foldable design saves space in your garage or shed, making lawn care stress-free from start to finish. 3-in-1 21" (SP) 3-in-1 21" Gas 2-in-1 21" Gas 2-in-1 14" Electric

Brand: AMERISUN


Power Source: Gas Powered


Material: Alloy Steel


Color: Black+red


Style: 3IN1 Self Propelled Gas Lawn Mower


Item Weight: 34.47 kg


Cutting Width: 21 inches


Operation Mode: Automatic


Product Dimensions: 32.9"D x 16.5"W x 22.6"H


UPC:


Brand Name: AMERISUN


Model Number: AV8621S1


UPC: 840432710425


Manufacturer: AMERISUN


Item Type Name: Lawn Mower


Manufacturer Part Number: AV8621S1


Color: Black+red


Style Name: 3IN1 Self Propelled Gas Lawn Mower


Item Weight: 34.47 kg


Cutting width: 21 inches


Item Dimensions D x W x H: 32.9"D x 16.5"W x 22.6"H


Power Source: Gas Powered


Operation Mode: Automatic


Maximum Adjustable Cutting Height: 10 centimeters


Minimum Adjustable Cutting Height: 1.5 inches


Number of Positions: 6


Material Type: Alloy Steel


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Oct 29

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great mowing for the first hand
Great working so far for first round of 6 inches lawn at intervals of 3 with 5 mins cool down. Ran over 3000 sq ft and did not heat up. Have to prime with Red Button pushing 2-3 times then pull the string to start and starts good It ran on the lawn like chopping butter. Not so loud and not so heavy. Self propelled drive at one speed even which is okay. Not so smokey and feel clean exhaust. I will update after few weeks. Thanks ... show more
Reviewed in the United States on May 21, 2025 by Shumech1
    • Buyer bewear Cheap Cheap nothing but junk
First the mower came broken. Front wheels were broken, called to get replaced, was told this a non returnable item. Got refund now it will not start. Contacted amerisun and was told to return the mower Amazon says it not returnable. American says return it cause there is not a service center close to me, Amazon doesn't not want it back because of the gas and oil in the mower hazardous material and can't ship. Think about service before buying. I have a mower i can't start and can't get service. I will look for something I can get service for and a good name brand, these off brands are not worth the pain if something is not working, this mower is very cheaply made, after the front wheels being broken, mover will not start it had gas that was left in from someone before I got it, the gas had lacquered in the carburetor and had the float stuck, this mower as been hell from the opening of the box not worth it ... show more
Reviewed in the United States on November 12, 2025 by Hebert`s Caboose
    • Awesome lawn mower!
Ordered at 2:30 pm and received it at 9:30 am the next morning. It took all of 5 minutes to assemble and put in the 13.5 oz of break in oil. Which came with the mower. Filled gas tank. Primed carb with 3 pushes and second rope pull start up. Self propelled is just the right speed for 70 year old healthy senior man. Seems like gas lasts longer on this mower than the one it replaced and I got done mowing alot faster. I am really pleased with this mower. I highly recommend this 170cc Amerisun mower. ... show more
Reviewed in the United States on October 22, 2025 by Richard Nehring
    • Great value
This product was very easy to assemble. In order to start, I think I pulled the pull cord 3 or 4 times to get it started. I have attempted to use this mower maybe 5 times I have only been able to actually use it. Three, at this point, the pull cord is stuck and there is no information to help problem solved the issue. This is the absolute worst lawn mower purchase. I have ever made i know you see the red cover off. That's because all the screws work their way out. This purchase was made in June. ... show more
Reviewed in the United States on July 4, 2025 by lavellie
    • Nice for the price
For the price of this mower it does what it's supposed to and then some! No it's not the strongest mower. No it's not the widest mower. But one easy lever to move to raise and lower the whole deck is a godsend. My grass was pretty high cuz I tried not to mow in May. But the grass got too high. And this went right through it. Yes it clogged. Grass wasn't all the way dry either. Gas tanks not as big as I would like, normally with my old mower I could do the whole yard in one tank. But overall I find this mower easy to use, easy to assemble and fill. If I was going to recommend a mower at a decent price this would be the one! ... show more
Reviewed in the United States on May 21, 2025 by Chris
    • Not for the none mechanical
Drive system is junk, Had to put the drive belt back on 5 or 6 time's until I figured out how to redesign the system. So, no I don't recommend this to anyone that's not a tinker, and have a plethora of tools including a lathe etc. If I didn't have so much time invested would of returned.
Reviewed in the United States on September 9, 2026 by Fww
    • Garbage quality
This is the mower to buy if you don't want to cut your grass, the drive belt was the first problem, now it starts and immediately shuts down, over and over again. I'm going to buy something else today, pure garbage!
Reviewed in the United States on July 20, 2026 by Daniel S
    • Tough and Durable! Quality Product!!
Awesome lawn mower! The best push mower I have ever owned! I'm not easy on mowers and this is a tough little codger! It is easy to push, and has a self propelled option, but I have not used that. Just with regular mowing, it will tackle and beat whatever you throw at it! Please look for my video review of some lighter stuff that it's handled. I will be looking at other items of this same brand because of the great quality I've experienced with this push mower! ... show more
Reviewed in the United States on September 7, 2025 by Myra Settle

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...