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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 724cc, 1in. x 3 5/32in., Model# 44T877-0001-G1
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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 724cc, 1in. x 3 5/32in., Model# 44T877-0001-G1

Item# 42555
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Only $999.99

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Factory Shipped —
Estimated Delivery: 4 - 6 Business Days
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Ships Truck 94.0 lbs
Unloading Requirements
Not Available in Stores

Manufacturer's Warranty: 24 months parts / 24 months labor

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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

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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
  • Oil cooler reduces oil temperature, improves lubrication and extends oil change intervals
  • Tool-less air cleaner cover for easy filter changes

Key Specs

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Item#42555
Ship Weight94.0 lbs
Engine Displacement (cc)724
Start TypeElectric
ApplicationZero-turn mower, commercial application
Engine TypeCommercial Turf Series
Shaft OutputVertical
Crankshaft1 x 3 5/32
Shaft Diameter (in.)1
Shaft Length (in.)3 5/32
Shaft Keyway (in.)1/4
Shaft End Tapped (Diameter (in.)/Threads per inch)7/16-20
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Gear ReductionNo
Bearing TypeBall
Cylinders (qty.)2
Cylinder BoreCast iron
Bore x Stroke (in.)3.12 x 2.89
Compression Ratio8.5:1
Cooling SystemAir cooled
Air Cleaner TypeCyclonic
Fuel TankNo
Fuel TypeGasoline
Fuel PumpYes
Fuel FilterYes
Oil Capacity (qt.)2
Lubrication SystemPressure
Low Oil AlertNo
Low Oil ShutdownNo
Ignition SystemElectronic
Governor SystemMechanical
CarburetorFloat
Throttle ControlRemote
Choke ControlChoke-A-Matic
Max. RPM3,300
Charging System Amps16
Muffler IncludedNo
Flywheel BrakeNo
Auto Compression ReleaseNo
Bolt Circle (in.)10
Dimensions L x W x H (in.)23 x 21 x 22
EPA/CARB Approval (California Air Resource Board)Yes

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Product Question + Answer

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
24 months parts / 24 months labor

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Repair Plan
Only $99.99
More Info
Only $169.99
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Repair Plan with Accidental Damage
Only $149.99
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Only $249.99
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Briggs & Stratton Commercial Turf Series OHV Engine with Electric Start — 724cc, 1in. x 3 5/32in., Model# 44T877-0001-G1 The price is $999.99.
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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
Rated Power (HP)
- - - 23 23
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 Ball 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 -