Model # 49T977-1036-G1

Internet #205438265

Briggs & Stratton 27 HP Commercial Turf Series Vertical Gas Engine

Briggs & Stratton

27 HP Commercial Turf Series Vertical Gas Engine

$101799 /each
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Frequently Bought Together

Product Overview

Briggs & Stratton builds the engines most of America’s best leading power equipment brands depend on. We’re also the engine most preferred by consumers nearly 60 million households trust their yard care to Briggs & Stratton power. America’s most-trusted brands count on Briggs & Stratton power to stand behind their promise of performance. We know what it’s like to have your name on the line. For more than 100-years, we’ve been living up to ours. Briggs & Stratton Commercial Power designs and manufactures premium-grade Vanguard engines ranging from 5.5 to 36.0 gross horsepower. Proven on work sites around the world, Vanguard engines are engineered to elevate the reliability standard, which helps people get more done in less time. Backed by a global 3-year commercial limited warranty, Vanguard engines are ready to take on any work site challenge.

  • Vertical engine
  • Dura-bore cast iron cylinder sleeve for extended life
  • Dependable float feed carburetor
  • Cyclonic air filter provides twice the protection of standard filters
  • Electronic ignition for quickstarts
  • Mechanical compression release
  • Advance debris management system with dual seal cartridge protection
  • Crankshaft: 1-1/8 in. Dia x 4-5/16 in. long, keyway, tapped 7/16-20



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Brand/Model Compatibility
Briggs & Stratton replacement engine for Z-Turn and riding mowers.
Engine Displacement (cc)
Engine Make
Briggs and Stratton
Engine Type
4 Cycle
Fits brands
Briggs & Stratton
Fuel Tank Capacity (gallons)
Oil Capacity (oz.)
Part Type
Product Weight (lb.)
Recommended Oil Type
SAE 30

Warranty / Certifications

Certifications and Listings
CARB Compliant,EPA Approved
Manufacturer Warranty
Consumer Use: 2 Years / Commercial Use: 2 Years

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Customer Questions & Answers

Does this engine come equipped with muffler

Asked by: Jon
This engine does not come equipped with a muffler.
Answered by: Briggs & Stratton
Date published: 2017-08-07

I have 25 HP kohler command engine on my Dixie chopper with same shaft size can I use this motor as a replacement

Asked by: James
Please work with your local technician to determine the best replacement engine.
Answered by: Briggs & Stratton
Date published: 2017-04-07

I need to replace a Briggs and Stratton model 44Q977 in a John Deere Z445. Is this the proper replacement?

Asked by: seabee
Please work with your local Home Depot for assistance.
Answered by: Briggs & Stratton
Date published: 2017-04-07
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Customer Reviews

27 HP Commercial Turf Series Vertical Gas Engine is rated 4.3 out of 5 by 595.
Rated 2 out of 5 by from gas leaking into oil!!! The gas on so many of their engines gas leaks into the oil!!!!. There is a problem with the solenoid, the gas pump, or the needle, or all three. Have fun wasting time, and or money on some thing that was a problem 7 Years ago and still exists. If you aren't handy just add on 200$ to keep this machine running in the first year alone. And then if you write a review and accidentally leave any adblocking on your review will get deleted and you will have to rewrite it. DISABLE ADBLOCKERS TO LEAVE A REVIEW? HOW RIDICULOUS! I am banning any new purchase of any product with a B&E engine. And your weedeater engines arent better.
Date published: 2017-07-22
Rated 5 out of 5 by from Durable example of Briggs and Stratton value My wife's favorite , a 1971 Gilson S14 riding tractor has always had a B&S one cylinder cast iron engine. The current 16HP engine is more than 20 years old and runs great. Since then, B&S engineers have worked tirelessly to achieve continuously-improved engines with advanced features. Briggs and Stratton: where engines and people are all great!
Date published: 2016-11-07
Rated 5 out of 5 by from Dependability B&S engines are the benchmark of the industry- Period. Durable, Tough, Dependable- Period. I've operated equipment powered by B&S since my childhood to earn my income. Rock Solid - Period. My welding machines have all been B&S powered. The Choice of Champions.
Date published: 2016-08-19
Rated 1 out of 5 by from gunk engine had camshaft issues , at 50hrs. , engine was replaced under warranty.
Date published: 2017-02-03
Rated 5 out of 5 by from Briggs Stratton gas engine Great item fit perfect would by again ran great when I got it hooked up
Date published: 2016-10-24
Rated 5 out of 5 by from just always ran well have had this engine sense 2005 re installing it in a newer mower
Date published: 2016-10-15
Rated 5 out of 5 by from Lots of power I got the tractor from my dad would not start found out carb needed work once i got the right parts runs great
Date published: 2016-02-15
Rated 5 out of 5 by from The best engine ever made as far as i am concerned Is the 25 hp Briggs and Stratton my engine blew on my mower it was not a Briggs and Stratton at the time.I bought the 25 hp i have on it now out of the junk yard.I cleaned the crank with compressed air case put new carburetor new spark pugs an adjusted the valves an that was almost 6 years ago an it still runs strong an cuts great an if the day comes i have to buy another mower it will with out question have a Briggs and Stratton engine under the hood.
Date published: 2015-08-05
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