Briggs & Stratton Intek Series™ 540cc 21 Gross HP OHV Electric Start Vertical Engine, 1" x 3-5/32" Crankshaft tapped 7/16"-20, 1/4" Straight Keyway

Briggs & Stratton Intek Series™ 540cc 21 Gross HP OHV Electric Start Vertical Engine, 1" x 3-5/32" Crankshaft tapped 7/16"-20, 1/4" Straight Keyway
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Model: 331877-3036-G5
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Product Description
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Features
Features
  • Model# 331877-3036-G5 - 1" x 3-5/32" tapped 7/16"-20, 1/4" Straight Keyway
  • For lawn/garden tractors and Wide-area walk mowers
  • Briggs & Stratton Intek™ 21 Gross HP Single Cylinder Air-Cooled 4-Cycle Gas Engine
  • Reliable and durable engine rated in accordance with SAE J1995
  • Overhead Valve (OHV) Technology
  • More power, less fuel-use & lower emmisions; Runs cooler for longer engine life
  • Full-Pressure Lubrication w/ Spin-On Oil Filter
  • Keeps the oil cleaner from debris that can damage internal engine parts
  • Dura-Bore™ Cast Iron Cylinder Sleeve
  • Assures long engine life and improved oil control
  • Anti-Vibration System - AVS®
  • Provides a smoother ride and more coperator comfort
  • Advanced Debris Management System
  • High-volume cooling fan helps the engine breath freely
  • High Capacity Dual-Clean™ Carthdidge-Style Air Cleaner
  • Industrial pleated paper w/ foam pre-cleaner for demanding applicatins
  • Float-Feed Carburetor & Mechanical Governor
  • Allows for fast fuel delivery for reliable starting and operation
  • Increases throttle response to maximize usable power for higher torque applications
  • Magnetron® Electronic Ignition System
  • Extremely reliable design, for consistent starting while being maintenance-free
  • 12V Electric Starter & 9A Regulated Charging System
  • Easily compatible with most tractor/mower starting systems
  • Includes Pulse-Type Fuel Pump (Gas Tank Not Included)
  • 2-Year Consumer Warranty & 1-Year Commercial Warranty
Specifications
Engine
Engine Series
B&S Intek
Engine Style
Vertical
Cylinders
1
Engine Type
4-Cycle OHV
Cooling System
Air
Dry Weight
77 Lbs
CC
540 CCs
HP
21 HP
Cylinder Bore Type
Cast Iron
Bore
3.70 Inches
Stroke
3.06 Inches
Systems
Charging System
9 Amps
Starting System
12-Volt Key Start
Ignition System
Electronic Spark
Lubrication
Lubrication
Pressurized
Oil Filter
Yes
Oil Capacity
48 oz
Intake/Exhaust
Fuel
Gas
Carburetor
Float
Muffler
Included
Air Cleaner
Dual Element
Fuel Tank
Not Included
Crankshaft
Crankshaft Rotation Direction
Counterclockwise
Shaft Size
1 x 3-5/32 Inch
Crankshaft Type
Straight
Crankshaft Diameter
1"
Crankshaft Length
3-5/32"
Crankshaft End Tapped Size
7/16"-20
Crankshaft Keyway Width
1/4 Inch
Overview
Assembly Required
Yes
Weight
77 Pounds
Consumer Warranty
2 Years
Commercial Warranty
1 Year

Features
Features
  • Model# 331877-3036-G5 - 1" x 3-5/32" tapped 7/16"-20, 1/4" Straight Keyway
  • For lawn/garden tractors and Wide-area walk mowers
  • Briggs & Stratton Intek™ 21 Gross HP Single Cylinder Air-Cooled 4-Cycle Gas Engine
  • Reliable and durable engine rated in accordance with SAE J1995
  • Overhead Valve (OHV) Technology
  • More power, less fuel-use & lower emmisions; Runs cooler for longer engine life
  • Full-Pressure Lubrication w/ Spin-On Oil Filter
  • Keeps the oil cleaner from debris that can damage internal engine parts
  • Dura-Bore™ Cast Iron Cylinder Sleeve
  • Assures long engine life and improved oil control
  • Anti-Vibration System - AVS®
  • Provides a smoother ride and more coperator comfort
  • Advanced Debris Management System
  • High-volume cooling fan helps the engine breath freely
  • High Capacity Dual-Clean™ Carthdidge-Style Air Cleaner
  • Industrial pleated paper w/ foam pre-cleaner for demanding applicatins
  • Float-Feed Carburetor & Mechanical Governor
  • Allows for fast fuel delivery for reliable starting and operation
  • Increases throttle response to maximize usable power for higher torque applications
  • Magnetron® Electronic Ignition System
  • Extremely reliable design, for consistent starting while being maintenance-free
  • 12V Electric Starter & 9A Regulated Charging System
  • Easily compatible with most tractor/mower starting systems
  • Includes Pulse-Type Fuel Pump (Gas Tank Not Included)
  • 2-Year Consumer Warranty & 1-Year Commercial Warranty
Specifications
Engine
Engine Series
B&S Intek
Engine Style
Vertical
Cylinders
1
Engine Type
4-Cycle OHV
Cooling System
Air
Dry Weight
77 Lbs
CC
540 CCs
HP
21 HP
Cylinder Bore Type
Cast Iron
Bore
3.70 Inches
Stroke
3.06 Inches
Systems
Charging System
9 Amps
Starting System
12-Volt Key Start
Ignition System
Electronic Spark
Lubrication
Lubrication
Pressurized
Oil Filter
Yes
Oil Capacity
48 oz
Intake/Exhaust
Fuel
Gas
Carburetor
Float
Muffler
Included
Air Cleaner
Dual Element
Fuel Tank
Not Included
Crankshaft
Crankshaft Rotation Direction
Counterclockwise
Shaft Size
1 x 3-5/32 Inch
Crankshaft Type
Straight
Crankshaft Diameter
1"
Crankshaft Length
3-5/32"
Crankshaft End Tapped Size
7/16"-20
Crankshaft Keyway Width
1/4 Inch
Overview
Assembly Required
Yes
Weight
77 Pounds
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Product Specs
+
Specifications
Engine
Engine Series
B&S Intek
Engine Style
Vertical
Cylinders
1
Engine Type
4-Cycle OHV
Cooling System
Air
Dry Weight
77 Lbs
CC
540 CCs
HP
21 HP
Cylinder Bore Type
Cast Iron
Bore
3.70 Inches
Stroke
3.06 Inches
Systems
Charging System
9 Amps
Starting System
12-Volt Key Start
Ignition System
Electronic Spark
Lubrication
Lubrication
Pressurized
Oil Filter
Yes
Oil Capacity
48 oz
Intake/Exhaust
Fuel
Gas
Carburetor
Float
Muffler
Included
Air Cleaner
Dual Element
Fuel Tank
Not Included
Crankshaft
Crankshaft Rotation Direction
Counterclockwise
Shaft Size
1 x 3-5/32 Inch
Crankshaft Type
Straight
Crankshaft Diameter
1"
Crankshaft Length
3-5/32"
Crankshaft End Tapped Size
7/16"-20
Crankshaft Keyway Width
1/4 Inch
Overview
Assembly Required
Yes
Weight
77 Pounds
Consumer Warranty
2 Years
Commercial Warranty
1 Year
Reviews
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Briggs & Stratton Intek Series™ 540cc 21 Gross HP OHV Electric Start Vertical Engine, 1" x 3-5/32" Crankshaft tapped 7/16"-20, 1/4" Straight Keyway
Briggs & Stratton 331877-3036-G5
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