Briggs & Stratton 44S977-0032-G1 25 GHP Vertical Shaft Engine, Black
Condition: New
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Non-returnable. Transportation of this item is subject to hazardous materials regulation
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Availability:
19 left in stock
Arrives
May 17 – May 19
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Features
- dura-bore cast iron cylinder sleeve for extended life overhead valve design (OHV) for cooler operation and long valve life full pressure Lubrication with oil filtered PTO bearing16 amp charging system
Description
CARB Non-compliant - can't ship to California
Product Dimensions: 19 x 16 x 18 inches
Item Weight: 83.8 pounds
Manufacturer: Briggs and Stratton
Item model number: 44S977-0032-G1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
May 17 – May 19
This item is non-returnable:
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
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- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Bought to replace an older 22 hp that died. Easy swap out. Runs great, plenty of power.
Reviewed in the United States on January 26, 2026 by Itrouble
This engine has been an absolute work horse for me. I mounted it on a swisher trail mower and I put it through its paces over the last couple of mowing seasons. It has yet to let me down. Worth every penny. I had to alter the pull behind mower a bit for the new engine but once that was done it bolted right up and fired up pretty much instantly. If needing a new mower engine you can’t go wrong.
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Reviewed in the United States on September 15, 2025 by Amazon Customer
I purchased this one year ago and use it a few times a week for our stable animal clean ups and cutting grass. The installation went in fine with a little help from my Grandson to lift it onto the frame of my GD LA120 which I have had for 17. I recently replaced all the wheels, tires, belts, blades and steering mechanism, so I decided to go for this upgrade instead of buying a new tractor. My original BS 21hp gave me 860 hours of life before freezing up and giving up the ghost. I was very careful in ordering as I wanted to make sure I had the correct shaft size and everything would fit. The fuel line needed to be extended, other than that I don't recall having an issue with the installation. I have about 40 hours on it in AZ dry heat so very happy since it saved me about $2k if I bought new.
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Reviewed in the United States on November 6, 2025 by Rhiddenacres
great swap for the smaller engines, this one is far superior and stonger. makes cutting grass quick and easy.not to mention, all my neighbors being jealous of how it runs now. yee haaw
Reviewed in the United States on February 17, 2026 by HellBilly
Great engine 5 more horsepower on my z246 made a big difference. No more full throttle wearing the engine out!
Reviewed in the United States on April 21, 2026 by Mark Leimberger
No good. After 2-3 uses gas flooded the entire engine and hydro locked.. this happened about 15 days after return window and unable to contact seller through Amazon. Briggs & Stratton's warranty claim here is essentially unreachable. The point you to your local dealer - which only deals with engines bought directly from them. So you are buying at your own peril here.
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Reviewed in the United States on May 3, 2026 by C. Taylor
Was very surprised at how quickly I received my order and how well crated it was. My old mower engine got to leaking oil badly. I checked getting it repaired, buying a used engine, or repairing it myself. The whole new larger engine turned out to be most cost effective except for resealing the old one myself. My problem was needing the mower so couldn't risk running into the inevitable parts problems if doing it myself. Pulling the old engine and installing the new one only took a couple of hours as it was a direct bolt in replacement. The new one fired right up and runs great. One thing I didn't expect is an automatic choke. I just removed the old choke cable. Now I am resealing my old engine as I'm not under pressure. I'll have it as a spare should it be needed.
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Reviewed in the United States on September 10, 2024 by Gerry
The media could not be loaded. It couldn’t have been better Direct drop in engine, just add oil Received engine in one day
Reviewed in the United States on May 1, 2026 by Richard Goulet