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Briggs & Stratton 550 Series Vertical Engine — 158cc, 7/8in. x 2 7/16in. Shaft, Model# 10T802-0016-B1
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Briggs & Stratton 550 Series Vertical Engine — 158cc, 7/8in. x 2 7/16in. Shaft, Model# 10T802-0016-B1

Item# 70370

Only $219.99
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Factory Shipped —
Estimated Delivery: 6 - 11 Business Days
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Not Available in Stores

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

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Product Summary

Briggs & Stratton 158cc 550 Series™ Vertical Engine produces 5.5 ft.-lbs. Gross Torque. The engine's Prime 'N' Pull easy starting system delivers the right amount of fuel to the carburetor for consistent one-pull starts. U.S.A. Not for sale in California. Customers are responsible for checking local codes and regulations prior to purchase. Not for use with riding lawn mowers.

What's Included

  • (1) Engine, Model# 10T802-0016-B1

Features + Benefits

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Features for Briggs & Stratton 550 Series Vertical Engine — 158cc, 7/8in. x 2 7/16in. Shaft, Model# 10T802-0016-B1
  • Briggs 158cc 550 Series™ vertical engine
  • Muffler and exhaust manifold included
  • Elliptical piston reduces vibration for a quieter, smoother running engine; increases power and lowers emissions
  • Large rewind starter reduces pulling effort for easy starting
  • Lube Power lubrication system uses a gear-driven system to continuously supply oil to all internal engine parts for extra protection and long life

Key Specs

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Item#70370
Ship Weight24.0 lbs
Engine Displacement (cc)158
Start TypeRecoil
ApplicationWalk-behind mower
Engine Type550 series
Rated Power (HP)Manufacturer no longer rates this engine by HP
Torque (ft./lbs.)5.50
Shaft OutputVertical
Shaft Diameter (in.)7/8
Shaft Length (in.)2 7/16
Shaft End Tapped (Diameter (in.)/Threads per inch)3/8–24
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Bearing TypePlain
Cylinders (qty.)1
Cylinder BoreAluminum alloy
Bore x Stroke (in.)2.56 x 1.88
Cooling SystemAir cooled
Air Cleaner TypeOiled foam element
Fuel TankYes
Fuel TypeGasoline
Fuel Tank Capacity (qt.)1
Oil Capacity (qt.)0.56–0.63 (18–20 oz.)
Lubrication SystemGear driven
Ignition SystemElectronic
Governor SystemMechanical
CarburetorFloat
Throttle ControlManual friction, remote
Max. RPM3,200
Muffler IncludedYes
Auto Compression ReleaseYes
Bolt Circle (in.)8
Dimensions L x W x H (in.)13 1/2 x 11 1/2 x 10
EPA/CARB Approval (California Air Resource Board)No

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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!

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Extended Warranty Replacement Plan
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Briggs & Stratton 550 Series Vertical Engine — 158cc, 7/8in. x 2 7/16in. Shaft, Model# 10T802-0016-B1 The price is $219.99.
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Estimated Delivery: 6 - 11 Business Days
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Hide Similarities
Engine Displacement (cc)
190 158 190 190 190
Start Type
Recoil Recoil Recoil Recoil Recoil
Application Walk-behind mower Walk-behind mower Walk-behind mower Walk-behind mower Walk-behind mower
Engine Type 675 Series 550 series 850 Professional-series 675 series 675 Series
Rated Power (HP)
Manufacturer no longer rates this engine by HP Manufacturer no longer rates this engine by HP - Manufacturer no longer rates this engine by HP Manufacturer no longer rates this engine by HP
Torque (ft./lbs.)
6.75 5.50 8.5 6.75 6.75
Shaft Output
Vertical Vertical Vertical Vertical Vertical
Crankshaft - - 7/8 in. x 3 5/32in. - -
Shaft Diameter (in.) 7/8 7/8 7/8 7/8 7/8
Shaft Length (in.) 3 5/32 2 7/16 3 5/32 1 13/16 2 7/16
Shaft Keyway (in.)
3/16 - (2) Woodruff keys and 3/16-in. straight keyway 3/16 3/16
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8–24 3/8–24 3/8/24 3/8–24 3/8–24
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise CCW Counterclockwise Counterclockwise
Gear Reduction - - No - -
Bearing Type
Plain Plain Plain Plain Plain
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Aluminum alloy Aluminum alloy Cast iron Aluminum alloy Aluminum alloy
Bore x Stroke (in.)
2.69 x 2.04 2.56 x 1.88 2.69 x 2.04 2.69 x 2.04 2.69 x 2.01
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Automotive type pleated paper Oiled foam element Commercial-grade w/dual seal Automotive style paper filter Automotive style paper filter
Fuel Tank Yes Yes 1.6 Yes Yes
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
1.6 1 1.6 1.6 1.6
Fuel Pump - - No - -
Fuel Filter - - No - -
Oil Capacity (qt.)
0.56–0.63 (18-20 oz.) 0.56–0.63 (18–20 oz.) 18–20oz. 0.56–0.63 (18–20 oz.) 0.56–0.63 (18–20 oz.)
Lubrication System
Splash Gear driven Splash Splash Spash
Low Oil Alert
No - No No No
Low Oil Shutdown - - No - -
Ignition System
Electronic Electronic Electronic Electronic Electronic
Governor System
Mechanical Mechanical Mechanical Mechanical Mechanical
Carburetor
Float Float Float Float Float
Throttle Control
Manual friction, remote Manual friction, remote Remote or manual friction Manual friction, remote Manual friction, remote
Max. RPM
3,100 3,200 3,100 3,100 3,100
Muffler Included
Yes Yes Yes Yes Yes
Flywheel Brake
- - Yes Yes Yes
Auto Compression Release
Yes Yes Yes Yes Yes
Bolt Circle (in.)
8 8 8 8 8
Dimensions L x W x H (in.)
13 x 11 1/2 x 9 3/4 13 1/2 x 11 1/2 x 10 15 3/8 x 13 3/4 x 10 13 x 11 1/2 x 9 3/4 13 x 11 1/2 x 9 3/4
EPA/CARB Approval (California Air Resource Board)
No No Yes - Yes