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Briggs & Stratton Vanguard Horizontal V-Twin Big Block OHV Engine — 993cc Engine Displacement, 4 1/2in.L x 1 7/16in. Dia. Shaft, Model# 613477-3079-J1

Item# 49988
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Briggs & Stratton Vanguard Horizontal V-Twin Big Block OHV Engine — 993cc Engine Displacement, 4 1/2in.L x 1 7/16in. Dia. Shaft, Model# 613477-3079-J1

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Only $2229.99
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  • Shaft 4 1/2in.L x 1 7/16in. dia.
  • OHV horizontal engine design with innovative intake and exhaust system for quieter operation
  • 12V electric start with 20 Amp DC alternator
  • 2-stage centrifugal air cleaner provides maximum engine protection, especially under dirty and dusty conditions
  • Dura-Bore™ cast iron sleeve for durability
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Estimated Delivery: 4 - 6 Business Days
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Product Summary

The Briggs & Stratton Vanguard™ Horizontal V-Twin Big Block™ OHV Engine with electric start features an innovative intake and exhaust system that results in quieter operation. Ideal for use with concrete trowels, chipper/shredders, commercial mowers, mudboats and more. 993cc engine displacement. Not for sale in CA.

What's Included
  •  (1) Horizontal V-twin big block OHV engine

Features + Benefits

  • Shaft 4 1/2in.L x 1 7/16in. dia.
  • OHV horizontal engine design with innovative intake and exhaust system for quieter operation
  • 12V electric start with 20 Amp DC alternator
  • 2-stage centrifugal air cleaner provides maximum engine protection, especially under dirty and dusty conditions
  • Dura-Bore™ cast iron sleeve for durability
  • Dual barrel float feed carburetor
  • Electronic ignition
  • Industrial-grade solenoid shift starter
  • Full pressure lubrication with spin-on oil filter
  • Flange mount bolt circle: 5in., 6 1/2in. or 7 3/4in.
Key Specs
Item# 49988
Brand Briggs & Stratton
Manufacturer's Warranty 36 months parts / 36 months labor
Ship Weight 149.0 lbs
Engine Displacement (cc) 993
Start Type Electric
Application Concrete trowel, chipper/shredder, commercial mower, mudboat
Engine Type Vanguard V-Twin OHV
Torque (ft./lbs.) N/A (Engine rated in HP)
Shaft Output Horizontal
Crankshaft 1 7/16 x 4 1/2
Shaft Diameter (in.) 1 7/16
Shaft Length (in.) 4 1/2
Shaft Keyway (in.) 3/8
Shaft End Tapped (Diameter (in.)/Threads per inch) 5/8–18
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Gear Reduction No
PTO Height (in.) 6 1/8
Bearing Type Mag side: steel-backed aluminum; PTO side: high radial load
Cylinders (qty.) 2
Cylinder Bore Cast iron
Bore x Stroke (in.) 3.37 x 3.41
Cooling System Air cooled
Air Cleaner Type Dual-stage cyclonic
Fuel Tank Not included
Fuel Type Gasoline
Fuel Tank Capacity (qt.) Not Included
Fuel Pump Yes
Fuel Filter Yes
Oil Capacity (qt.) 2.5 (79-oz.)
Lubrication System Full pressure
Low Oil Alert Yes
Low Oil Shutdown Yes
Ignition System Electronic
Governor System Mechanical
Carburetor Two barrel float feed
Throttle Control Manual friction
Choke System Manual
Max. RPM 3,600
Charging System Amps 20
Muffler Included No
Flywheel Brake No
Auto Compression Release No
Bolt Circle (in.) 5, 6 1/2, 7 3/4
Mounting Base L x W (in.) 9 1/8 x 5 21/64
Mounting Bolt Pattern L x W (in.) 9 1/8 x 5 21/64
Dimensions L x W x H (in.) 15 x 19 1/2 x 28 9/16
EPA/CARB Approval (California Air Resource Board) EPA: Yes; CARB: No

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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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(Not Yet Rated - New)
Item# 49987
Factory Shipped —
Estimated Delivery: 4 - 6 Business Days
Only $2199.99
Briggs & Stratton Vanguard Horizontal V-Twin Big Block OHV Engine — 993cc Engine Displacement, 4 1/2in.L x 1 7/16in. Dia. Shaft, Model# 613477-3079-J1 The price is $2,229.99.
Briggs & Stratton Vanguard Horizontal V-Twin Big Block OHV Engine — 993cc Engine Displacement, 4 1/2in.L x 1 7/16in. Dia. Shaft, Model# 613477-3079-J1
(Not Yet Rated - New)
Item# 49988
Factory Shipped —
Estimated Delivery: 4 - 6 Business Days
Only $2229.99
Hide Similarities
Engine Displacement (cc)
993 993  
Start Type
Electric Electric  
Application Compressor, pressure washer, conveyor Concrete trowel, chipper/shredder, commercial mower, mudboat  
Engine Type Vanguard V-Twin OHV Vanguard V-Twin OHV  
Torque (ft./lbs.)
N/A (Engine rated by HP) N/A (Engine rated in HP)  
Shaft Output
Horizontal Horizontal  
Crankshaft 1 1/8 x 4 1 7/16 x 4 1/2  
Shaft Diameter (in.) 1 1/8 1 7/16  
Shaft Length (in.) 4 4 1/2  
Shaft Keyway (in.)
1/4 3/8  
Shaft End Tapped (Diameter (in.)/Threads per inch) 7/16–20 5/8–18  
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise  
Gear Reduction
No No  
PTO Height (in.)
6 1/8 6 1/8  
Bearing Type
Mag side: steel-backed aluminum; PTO side: high radial load Mag side: steel-backed aluminum; PTO side: high radial load  
Cylinders (qty.)
2 2  
Cylinder Bore
Cast iron Cast iron  
Bore x Stroke (in.)
3.37 x 3.41 3.37 x 3.41  
Cooling System
Air cooled Air cooled  
Air Cleaner Type
Dual-stage cyclonic Dual-stage cyclonic  
Fuel Tank Not included Not included  
Fuel Type Gasoline Gasoline  
Fuel Tank Capacity (qt.)
Not included Not Included  
Fuel Pump
Yes Yes  
Fuel Filter
Yes Yes  
Oil Capacity (qt.)
2.5 (79-oz.) 2.5 (79-oz.)  
Lubrication System
Full pressure Full pressure  
Low Oil Alert
Yes Yes  
Low Oil Shutdown
Yes Yes  
Ignition System
Electronic Electronic  
Governor System
Mechanical Mechanical  
Carburetor
Two-barrel float feed Two barrel float feed  
Throttle Control
Manual friction Manual friction  
Choke System
Manual Manual  
Max. RPM
3,600 3,600  
Charging System Amps 20 20  
Muffler Included
No No  
Flywheel Brake
No No  
Auto Compression Release
No No  
Bolt Circle (in.)
5, 6 1/2, 7 3/4 5, 6 1/2, 7 3/4  
Mounting Base L x W (in.)
9 1/8 x 5 21/64 9 1/8 x 5 21/64  
Mounting Bolt Pattern L x W (in.) 9 1/8 x 5 21/64 9 1/8 x 5 21/64  
Dimensions L x W x H (in.)
15 x 19 1/2 x 28 9/16 15 x 19 1/2 x 28 9/16  
EPA/CARB Approval (California Air Resource Board)
EPA: Yes; CARB: No EPA: Yes; CARB: No