Briggs & Stratton Vanguard 49R977-0003-G1 26HP 1 1/8"x 4-19/64" Vertical Shaft Electric Start Engine

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This genuine 810cc Briggs & Stratton Vanguard twin cylinder engine offers dependable power for your equipment needs. With a power rating of 26 horsepower, this engine features a premium cyclonic air filtration system, electric starter, and maintenance-free Magnetron electronic ignition. With a manufacturer limited warranty of 3 years consumer use / 3 years commercial use, Briggs & Stratton provides power that you can trust. This engine includes a Dura-Bore cast iron cylinder sleeve for extended life. This engine includes an oil cooler. This engine includes an oil filter. This engine includes a 20 amp charging system. This engine includes a fuel pump.


  • Cyclonic air filter provides ultimate debris protection
  • Increased cylinder block structure for added strength and durability
  • Full lubrication with spin-on oil filter
  • Cooling fin inspection panels speed debris inspection and cleaning
  • 12-volt solenoid shift starter and 20 amp DC alternator
  • Oil cooler
  • Muffler not included

 Briggs & Stratton Vanguard 49R977-0003-G1 26HP
SKU 49R977-0003-G1
Engine Displacement (cc) 810
Start Type Electric
Application Zero-turn commerical mower
Engine Type Vanguard Twin OHV
Net Power Output (HP) 26 (gross)
Shaft Output Vertical
Crankshaft Vertical
Shaft Diameter (in.) 1
Shaft Length (in.) 3 5/32
Shaft Keyway (in.) 1/4 square
Shaft End Tapped (Diameter (in.) / Threads per inch) 7/16-20
Shaft Rotation (from PTO Shaft side) Counterclockwise
Bearing Type DU
Cylinders (qty.) 2
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.3 x 2.9
Cooling System Air Cooled
Air Cleaner Type Cyclonic
Fuel Type Gasoline
Fuel Pump Yes
Fuel Filter Yes
Oil Capacity (qt.) 67 oz
Lubrication System Full Pressure
Low Oil Shutdown No
Ignition System Electrical
Governor System Mechanical
Carburetor Yes-standard
Throttle Control Yes
Choke Control Remote Choke
Mx. RPM 3650
Muffler Included No
Flywheel Brake No
Dimensions L X W X H (in.) 20 x 17 3/4 x 22 7/8
Briggs and Stratton

WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

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