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Briggs & Stratton Powerbuilt Vertical Engine with Electric Start — 344cc, 1in. x 3 5/32in. Shaft, Model# 215807-3025-G5
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Briggs & Stratton Powerbuilt Vertical Engine with Electric Start — 344cc, 1in. x 3 5/32in. Shaft, Model# 215807-3025-G5

Item# 70920

Only $599.99
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Factory Shipped —
Estimated Delivery: 6 - 11 Business Days
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Manufacturer's Warranty: 24 months parts / 24 months labor

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Product Summary

Briggs & Stratton 344cc Powerbuilt™ OHV Vertical Engine. Overhead valve design runs cooler and cleaner, delivering more power, longer engine life and improved fuel economy. Improved breather system lowers oil consumption and reduces emissions.

What's Included

  • (1) Engine, Model# 215807-3025-G5

Features + Benefits

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  • Displacement: 21 cu. in.
  • Float carburetor for easy, consistent starting
  • Balance-Tek Low Vibration System
  • Fuel tank not included
  • Muffler and exhaust manifold included
  • Cast iron cylinder for extended life

Key Specs

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Item#70920
Ship Weight68.0 lbs
Engine Displacement (cc)344
Start TypeElectric w/recoil backup
ApplicationRiding mower, lawn tractor
Engine TypePower built OHV
Shaft OutputVertical
Shaft Diameter (in.)1
Shaft Length (in.)3 5/32
Shaft End Tapped (Diameter (in.)/Threads per inch)7/16–20
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Bearing TypePlain
Cylinders (qty.)1
Cylinder BoreCast iron
Bore x Stroke (in.)3.44 x 2.26
Cooling SystemAir cooled
Air Cleaner TypeDual element
Fuel TankNot included
Fuel TypeGasoline
Oil Capacity (qt.)1.5 (48 oz.)
Lubrication SystemSplash
Low Oil AlertNo
Ignition SystemElectronic
Governor SystemMechanical
CarburetorFloat
Throttle ControlRemote
Max. RPM3,600
Muffler IncludedYes
Bolt Circle (in.)10
Dimensions L x W x H (in.)18 x 15 1/2 x 12 1/2

Additional Information

Engine Specs

Customer Reviews

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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
Extended Warranty Repair Plan
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Extended Warranty + Accidental Damage Repair Plan
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Briggs & Stratton Powerbuilt Vertical Engine with Electric Start — 344cc, 1in. x 3 5/32in. Shaft, Model# 215807-3025-G5 The price is $599.99.
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Estimated Delivery: 6 - 11 Business Days
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Hide Similarities
Engine Displacement (cc)
344 500 344 344 344
Start Type
Electric w/recoil backup Electric w/recoil backup Electric Electric w/recoil backup Electric
Application Riding mower Riding mower, lawn tractor, trail mower Riding mower, lawn tractor Riding mower, lawn tractor Riding mower
Engine Type Intek Intek Power built OHV Power built OHV OHV 12.5 gross HP
Shaft Output
Vertical Vertical Vertical Vertical Vertical
Crankshaft 1 x 3 5/32 1 x 3 5/32 - - 1 x 3 5/32
Shaft Diameter (in.) 3 5/32 1 1 1 1
Shaft Length (in.) 1 3 5/32 3 5/32 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) Counterclockwise CCW Counterclockwise Counterclockwise Counterclockwise
Gear Reduction
No No - - No
Bearing Type
Plain Plain Plain Plain Plain
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Cast iron Cast iron Cast iron Cast iron Cast iron
Bore x Stroke (in.)
3.44 x 2.26 3.56 x 3.06 3.44 x 2.26 3.44 x 2.26 3.34 x 2.26
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 Dual element Automotive style paper filter Dual element Pleated paper
Fuel Tank Not included Not included Not included Not included No
Fuel Type Gasoline Gasoline Gasoline Gasoline Gas
Fuel Pump
Yes Yes - - Yes
Fuel Filter
Yes Yes - - Yes
Oil Capacity (qt.)
1 1/2 1 1/2 1.5 (48 oz.) 1.5 (48 oz.) 1 1/2
Lubrication System
Splash Splash Splash Splash Splash
Low Oil Alert
No 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
Manual Manual - - Manual
Max. RPM
3,300 3,300 3,400 3,600 3,300
Charging System Amps 3A DC, 14V AC 9 - - 3A DC, 14V AC
Muffler Included
Yes Yes Yes Yes Yes
Flywheel Brake
No No - - No
Auto Compression Release
Yes Yes - - Yes
Bolt Circle (in.)
10 10 10 10 10
Dimensions L x W x H (in.)
17 1/2 x 16 1/2 x 12 19 x 16 x 13 18 x 15 1/2 x 12 1/2 18 x 15 1/2 x 12 1/2 17 1/2 x 16 1/2 x 12
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes - Yes