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Model#: BGSN49T877-0004-G1

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Briggs & Stratton 49T877-0004-G1 810cc Commercial Turf Series Engine with 1-1/8 in. Tapped 7/16 - 20 Keyway Crankshaft (CARB)

  • Briggs & Stratton 49T877-0004-G1 810cc Commercial Turf Series Engine with 1-1/8 in. Tapped 7/16 - 20 Keyway Crankshaft (CARB)
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The ultimate workhorse for harsh, demanding conditions. Purpose-built for use in Zero-Turn Mowers, the Briggs and Stratton Commercial Turf Series mower engines provide the best dust and particle filtration with its Advanced Debris Management System and beefed-up cylinder block structure. The result is one tough riding mower engine and is ready for the toughest mowing jobs.
CARB Compliant Product - This product meets CARB regulations and is available for sale and use in the state of California.
  • Dura-Bore cast iron cylinder withstands wear and abuse while providing improved oil control
  • Dynamically balanced crankshaft minimizes engine vibration for smoother running and longer engine life
  • OHV design runs cooler and cleaner for better fuel economy, more power and longer life
  • Cyclonic air cleaner forces debris away from air cleaner element and ejects it through a one-way valve
  • Advanced debris management deflects dirt away from the engine, into a a high-capacity dual-sealing air cleaner cartridge
  • Oil cooler reduces oil temperature, improves lubrication and extends oil change intervals
  • Tool-less air cleaner cover for easy filter changes
  • Model Specific Features: Remote choke, oil pump with filter, 12V Gear Drive starter with 16 amp DC alternator and dipstick oil system
  • Please Note: Fuel tank, exhaust manifold and muffler omitted from this model
  • 810cc Commercial Turf Series Engine w/ 1-1/8 in. Tapped 7/16 - 20 Keyway Crankshaft - 49T877-0004-G1


Series: Commercial
Length: 19.3 in.
Width: 17.6 in.
Height: 15.7 in.
Weight: 87 lbs.
Air Cleaner: Cyclonic
Application: Riding Mowers, Zero-Turn Mowers
Carburetor: Float-Feed
Controls: Remote
Cooling System: Air
Crankshaft Diameter: 1-1/8 in.
Crankshaft Length (Sump Face to Crankshaft End): 4-5/16 in.
Crankshaft Tapping Size: 7/16 in. 20
Crankshaft Type: Keyway
Cylinder Bore: 3.30 in. (83.81mm)
Cylinder Stroke Length: 2.89 in. (73.4mm)
Engine Configuration: Vertical
Engine Displacement: 810cc
Engine Technology: OHV V-Twin
Fuel Type: Gasoline
Governor: Mechanical
Governor Max. Speed (RPM): 3,600
Horsepower: 27
Lubrication System: Pressure Lube
Number of Cylinders: 2
Oil Capacity: 67 oz.
Starter: Electric Start



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