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BILT HARD 21 Inch Lawn Mower Gas Powered, 4-Cycle 144cc Engine, 3-in-1 Push Lawnmower with Bagging, Mulching & Side Discharge, Adjustable 8-Positions Cutting Height, Easy Start

  • Based on 432 reviews
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Availability: In Stock.
Fulfilled by GripRug

Arrives Wednesday, Sep 16
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Set name: 21 inch


Features

  • MAXIMIZE MOWING EFFICIENCY: Features a heavy-duty 21-inch steel cutting deck that covers a wider path in a single pass. Designed to significantly reduce your mowing time, making it the perfect gas lawn mower for quick and efficient maintenance of medium to large residential yards.
  • 6-POSITION CUSTOM TRIM: Equipped with a synchronized, single-lever height adjustment offering 6 cutting positions from 1.0" to 3.0". Effortlessly adapt to different grass types, seasonal growth, and varying lawn conditions with a smooth, one-handed adjustment.
  • POWERFUL 144cc 4-STROKE ENGINE: Driven by a high-performance 144cc 4-cycle gas engine (3.4 HP, 5.75 ft.lb torque) that delivers relentless cutting power without the hassle of mixing oil and gas. Includes a generous 27.1 fl.oz fuel tank for extended runtime.
  • VERSATILE 3-IN-1 MANAGEMENT: Master any backyard challenge with rear bagging, mulching, and side discharge capabilities. Whether you are doing routine weekend maintenance, seasonal garden cleanup, or heavy grass collection, this mower adapts to your lawns needs.
  • BUILT TO LAST & EASY ASSEMBLY: Constructed with a rugged steel deck and oversized 10-inch front and rear wheels for superior traction and maneuverability. Comes complete with a grass bag, side discharge chute, mulching plug, engine oil, and tools for quick, hassle-free setup out of the box.

Description

BILT HARD is more than a brand; it's a gateway to a new outdoor experience. Our tools are designed to deliver reliable performance and lasting durability, ensuring your outdoor time is both productive and enjoyable. From utility garden carts to versatile lawn care tools, BILT HARD provides innovative solutions crafted with high-quality materials to tackle even the most demanding tasks in any environment. A Great Helper for Yard Work. No Choke, No Primer Design, Easy to Start. Light and Powerful, Easy to Operate Eliminate the Hassle of Manual Digging. Save Your Back, No More Axe and Hammer. Tackle Winter with Ease. Wide cutting coverage and strong engine performance help handle routine lawn maintenance with consistent and efficient grass cutting results. Quickly switch between mulching, rear bagging, and side discharge modes to match different lawn conditions and seasonal cleanup needs. Large wheels, adjustable cutting height, and walk behind operation provide stable handling and flexible control for residential yard and garden maintenance. Powered by a 144cc 4 cycle gas engine delivering up to 5.75 ft.lb torque for consistent cutting performance and routine residential lawn maintenance. 21 inch steel cutting deck helps cover wider mowing paths to improve mowing efficiency and reduce cutting time across lawns and garden areas. Single lever height adjustment system with 6 cutting positions ranging from 1.0 inch to 3.0 inch for flexible mowing across different grass conditions and seasons.

Brand: BILT HARD


Power Source: Gas Powered


Material: Metal


Color: blue


Style: 10-Positions Cutting Height


Cutting Width: 21 inches


Operation Mode: Manual


Product Dimensions: 62.5"D x 26.3"W x 41"H


Number of Items: 1


Wheel Size: 9.5 inches


Brand Name: BILT HARD


Model Number: TMA-0561


Number of Items: 1


Unit Count: 1 Count


Number of Packs: 1


Manufacturer: BILT HARD


Color: blue


Style Name: 10-Positions Cutting Height


Cutting width: 21 inches


Item Dimensions D x W x H: 62.5"D x 26.3"W x 41"H


Wheel Size: 9.5 inches


Power Source: Gas Powered


Operation Mode: Manual


Maximum Adjustable Cutting Height: 3.75 inches


Minimum Adjustable Cutting Height: 1.2 inches


Number of Positions: 10


Material Type: Metal


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 16

This item is non-returnable:

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

View our full returns policy here.

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Top Amazon Reviews


  • Excellent an powerful mower
Set name: 21 inch
I selected this mower because it was simple, a push mower, had a large displacement engine (201 cc), and a relatively large gas tank. It arrived in a timely manner in a cardboard box and was well packaged. All I had to do open the top, cut off one side of the box (easy to do with utility knife), and roll the mower out the open side onto the floor. Assembly was easy Assemble the handle and attach to the mower according to the instructions and images. Add engine oil (an absolute must) and gas. Then three pulls on the starter cord and the mower came to life. Today, I used the mower for the first time on my front and side yards. I checked engine oil. Then, three pulls on the starter cord and the mower was running. The grass was a little high but the mower plowed right through it. This mower has plenty of power and, with the large gas tank, I may be able to mow my entire lawn without adding more gas. So far I think I made a good choice. ... show more
Reviewed in the United States on April 23, 2026 by Don't Get Me Started

  • Best Lawnmower everrrrrr
Set name: 21 inch
I loveeeeeeeee this lawnmower. My favorite thing is you just start it n go. There's no priming. Had for over a year now n it still runs like new. Easy to assemble, cuts great, n good on gas usage.
Reviewed in the United States on July 12, 2026 by Ladi Prettygirl

  • It went from sucking to a decent mower
Set name: 21 inch
Well i bought this item and arrived looking good but thats about it. I put everything in it that it reccomend and went to start it up and nothing. So decided to let it set for a day, and check the spark plug and everything and it all looks fine.. definitely don't reccomend this product. Might change the star depending on how hard it is to get a refund So on the edit side of thing they did help me figure out the problem, but now it died again and the carburetor is smoking. They already received an email about the current problem. With another email down and once again dealing with the carburetor, taking it apart and messing with the stuff I cleaned yesterday and messing with the float. The mower finally runs like it suppose to do. If I didnt have the constent problems I would rate it higher then the 4 I'm now currently giving it. At first when I first got it it was a 1 because brand new mower should just start right up, the first edit it I gave it a 3 star because at least the costumer service helped me figure out the issue. The 4 is based upon the performance I was finally able to truly see from it. Could've easily gained a 5 from me if it worked out of the box. And will say this just because a lawn mower repair shop may have not heard of the brand doesn't mean its hard to work on. Anyone with any knowledge of mower can easily figure out everything.. and carburetor wise the company will send a detailed video how to do something if needed. They sent me a video on how to clean the carburetor and it helped . ... show more
Reviewed in the United States on July 11, 2025 by C S.

  • Beyond disappointing. Vibrated itself into pieces and ended up injuring me.
Set name: 21 inch
Unpackaged the mower and everything looked good. Upon first start it seemed to vibrate more than I was use to. After the first use I inspected the blade and noticed the drive shaft from the motor was a bit off center causing the blade to vibrate the whole motor assembly. After about 2 hours of use the plastic motor cover vibrated off. The screws holding it in place were threaded into plastic and completely stripped. After trying to fix that the exhaust cover was the next to go. Then the plastic dip stick assembly started to shows signs of cracking. After another 2 hours of use the whole plastic dip stick housing cracked and began leaking oil. I was desperate to make this mower work but by now zip ties and JB weld were holding together a mower with less than 8 hours of use. The grand finale was the whole plastic dip sticking house broke off spraying oil into the air and all over my leg burning my calf. I should have returned the mower after the first use. I run a small non profit community garden and was determined to make this cheap motor work. I wanted to believe it could get the job done. I was wrong. I am now left without a mower, out the money spent on it, and nursing a burn on my leg. I could assume the only problem was that it was defective and sent with a bent drive shaft. If you have to purchase this mower make sure to inspect it before using it for the first time and return it if anything seems wrong. I would be happy to be proven wrong and that this single mower was defective from day one. Until I am proven otherwise I can not recommend buying this mower. It is poorly built and even worse clearly safe. ... show more
Reviewed in the United States on June 28, 2024 by Zac

  • Love this”get it done” mower!
Set name: 21 inch
The set up was easy and not complicated. I wanted a hard working, not too heavy , simple lawn mower and this one does the trick. No extra auto drive assistance, extra buttons or control complications. Use it with the bag or not. I don’t use it because I like the natural Mulch of the cuttings. Just fill it up, pull the cord and ‘get it done”! I have an acre plus yard which requires lots of maneuvering around outbuildings, patio, garden and trees. I have had this mower for 2 months and just love it. Good value for the money and sturdy! It’s a great product. ... show more
Reviewed in the United States on August 27, 2024 by Liz M.

  • One Annoyance
Set name: 21 inch
The small plastic recoil guide wrap around and clips to its self. And repeatedly opens allowing the recoil rope to end up back at the engine. Since the safty bar must be held against the handle bar mowing stops until that annoying clip and cord are all brought back together. The good: Started easily, unless pushed too fast into 18" vegitation. Plenty of power (not a brush hog). No choke nor user controlled throttle. Blade was checked for balance and was acceptable. Ball bearing wheels, 21" cut, user pushes. Used blue thread loc assembling the handle bar. About one hour oeration, 201cc. ... show more
Reviewed in the United States on May 11, 2026 by Doug Siddens

  • Built pretty well....
Set name: 21 inch
Good value. Good packaging. Quick delivery. Easy assembly. Engine oil and spark plug wrench were included. Powerful engine and no primer needed. Not quite as noisy as my previous "TB" mower (which only lasted 4 years) and appears to be better made. Would like larger rear wheels...difficult to push up hill. Only used once...will amend review if any issues crop up. Interesting note....My local Lowe's and Home Depot stores in California have stopped selling gasoline engine mowers. ... show more
Reviewed in the United States on April 3, 2025 by Redbeard

  • High quality mower !
Set name: 21 inch
I got this to replace my old mower that I bought 20 years ago from the local hardware store when we moved into our house. I was pleasantly surprised by the quality of this mower and appearance. Only required some minor assembly and engine oil was included in the package. Height adjustments are easy to make and everything is clearly marked. The engine starts up with one pull and runs flawlessly so far . Seems like a quality machine all around and luxury compared to my old one in its best condition. I feel spoiled using this one . It’s so easy to use and powerful . Highly recommend ! ... show more
Reviewed in the United States on October 22, 2024 by Jane Ochsen

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