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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 810cc, 1 1/8in. x 4 5/16in., Model# 49T877-0004-G1

Item# 42556
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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 810cc, 1 1/8in. x 4 5/16in., Model# 49T877-0004-G1

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Only $959.99
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  • 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
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Estimated Delivery: 4 - 6 Business Days
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Product Summary

This Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start is purpose-built for use in zero-turn mowers and in the harsh, demanding conditions where these and other workhorse machines do their jobs. With dust and particle filtration, an advanced debris management system and beefed-up cylinder block structure, this engine has what it takes to make a day's work of the toughest mowing jobs.

What's Included
  • (1) Engine

Features + Benefits

  • 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
Key Specs
Item# 42556
Brand Briggs & Stratton
Manufacturer's Warranty 24 months parts / 24 months labor
Ship Weight 94.0 lbs
Engine Displacement (cc) 810
Start Type Electric
Application Zero-turn mower, commercial application
Engine Type Commercial Turf Series
Shaft Output Vertical
Crankshaft 1 1/8 x 4 5/16
Shaft Diameter (in.) 1 1/8
Shaft Length (in.) 4 5/16
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16-20
Shaft Rotation (From PTO Shaft Side) CCW
Gear Reduction No
Bearing Type Bushing
Cylinders (qty.) 2
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.30 x 2.89
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Cyclonic
Fuel Tank Not included
Fuel Type Gasoline
Fuel Pump Yes
Fuel Filter Yes
Oil Capacity (qt.) 2
Lubrication System Pressure
Low Oil Alert No
Low Oil Shutdown No
Ignition System Electronic
Governor System Mechanical
Carburetor Float
Throttle Control Remote
Choke Control Remote
Max. RPM 3,600
Charging System Amps 16
Muffler Included No
Flywheel Brake No
Auto Compression Release No
Bolt Circle (in.) 10
Dimensions L x W x H (in.) 23 x 21 x 19
EPA/CARB Approval (California Air Resource Board) Yes

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 810cc, 1 1/8in. x 4 5/16in., Model# 49T877-0004-G1 The price is $959.99.
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Hide Similarities
Engine Displacement (cc)
724 724 810 627 627
Start Type
Electric Electric Electric Electric Electric
Application Commercial mower, zero-turn mower, lawn tractor Zero-turn mower, commercial application Zero-turn mower, commercial application Commercial mower, lawn tractor Riding mower, lawn tractor
Engine Type Professional Series V-Twin Commercial Turf Series Commercial Turf Series Vanguard V-Twin OHV Vanguard V-Twin OHV
Shaft Output
Vertical Vertical Vertical Vertical Vertical
Crankshaft 1 x 3 5/32 1 x 3 5/32 1 1/8 x 4 5/16 - -
Shaft Diameter (in.) 1 1 1 1/8 1 1 1/8
Shaft Length (in.) 3 5/32 3 5/32 4 5/16 3 5/32 3 5/32
Shaft Keyway (in.) 1/4 1/4 1/4 1/4 -
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16-20 7/16-20 7/16-20 7/16–20 7/16–20
Shaft Rotation (From PTO Shaft Side) CCW Counterclockwise CCW Counterclockwise Counterclockwise
Gear Reduction No No No - -
Bearing Type
Ball Ball Bushing Plain Plain
Cylinders (qty.)
2 2 2 2 2
Cylinder Bore
Cast iron Cast iron Cast iron Cast iron Cast iron
Bore x Stroke (in.)
3.12 x 2.89 3.12 x 2.89 3.30 x 2.89 2.97 x 2.76 2.97 x 2.76
Compression Ratio 8.5:1 8.5:1 8.5:1 - -
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Dual element Cyclonic Cyclonic Dual element Dual element
Fuel Tank Not included No Not included Not included Not included
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Pump Yes Yes Yes - -
Fuel Filter Yes Yes Yes - -
Oil Capacity (qt.)
2 2 2 1.5 (48 oz.) 1.5 (48 oz.)
Lubrication System
Full pressure Pressure Pressure Full pressure Full pressure
Low Oil Alert No No No No -
Low Oil Shutdown No No No - -
Ignition System
Electronic Electronic Electronic Electronic Electronic
Governor System
Mechanical Mechanical Mechanical Mechanical Mechanical
Carburetor
Float Float Float Float Float
Throttle Control
Remote Remote Remote Remote Remote
Choke Control Choke-A-Matic Choke-A-Matic Remote - -
Max. RPM
3,300 3,300 3,600 3,300 3,600
Charging System Amps 16 16 16 16 -
Muffler Included
No No No No No
Flywheel Brake No No No - -
Auto Compression Release No No No - -
Bolt Circle (in.)
10 10 10 10 10
Dimensions L x W x H (in.)
18 x 19 1/16 x 14 5/16 23 x 21 x 22 23 x 21 x 19 18 x 16 x 13 1/2 18 x 16 x 13 1/2
EPA/CARB Approval (California Air Resource Board) Yes Yes Yes Yes -