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Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1
Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1
 
 
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Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1
 

Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1

Item# 24599

Only $999.99
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Factory Shipped —
Delivery Time: 6 - 11 Business Days
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Manufacturer's Warranty: 2 years consumer use / 1 year commercial use
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Product Details

Briggs & Stratton 1450 Series industrial/commercial horizontal OHV engine produces 14.5 ft.-lbs. Gross Torque to get the job done. 6:1 gear reduction is ideal for cement mixers and pumps. Electric start for easy operation. Compact overhead valve design runs cooler and cleaner, delivering more power, longer engine life and improved fuel economy. High-flow cylinder head produces 20% more power than conventional engines, increases fuel efficiency and significantly reduces emissions. This engine has fast fuel delivery for one-pull starts and smooth operation. CARB compliant engine is good for sale in all 50 states, including California. U.S.A.

Features + Benefits

  • 14.5 ft.-lbs. Gross Torque
  • OHV design for cooler operation, longer valve life
  • Dura-Bore™ cast iron cylinder sleeve withstands wear and abuse while providing improved oil control
  • PTO ball bearing
  • Flow-Tek flywheel design
  • Permanent mold piston
  • Self-lubricating heavy-duty bearing of steel-backed Teflon-coated bronze to withstand load and reduce wear
  • Mechanical governor controls throttle to deliver more power for tough chores
  • Maintenance-free Magnetron® electronic ignition for quick, dependable starts
  • Float feed carburetor for consistent one-pull starts
  • Dual-Clean™ premium air filter
  • Electric start with recoil backup
  • Recoil start has auto compression release
  • Comfort-Tek pull handle
  • Removable rewind
  • Fuel shutoff valve makes it easy to shut off fuel flow for safe transportation
  • 4-qt. fuel tank for long run times
  • Super Lo-Tone muffler reduces noise levels and improves tonal quality
  • DuraLube™ gear-driven splash lubrication system continuously supplies oil to all internal parts
  • 6:1 gear reduction
  • Approx. mounting base dim. 7 11/16in. x 3 15/16in.
  • Flange mount bolt circles: 3 5/8in., 5in., 6 1/2in.
  • 50-state compliant engine

Key Specs

Item#24599
Ship Weight65.0 lbs
Engine Displacement (cc)305
Start TypeRecoil or electrical
ApplicationCement mixer, pump
Engine TypeOHV 1450 Series
Torque (ft./lbs.)14.5
Shaft OutputHorizontal
Crankshaft1 x 3 1/8
Shaft Diameter (in.)1
Shaft Length (in.)3 1/8
Shaft Keyway (in.)1/4
Shaft End Tapped (Diameter (in.)/Threads per inch)7/16–20
Shaft Rotation (From PTO Shaft Side)Counterclockwise
Gear ReductionYes, 6:1
PTO Height (in.)4 11/64
Bearing TypeBall
Cylinders (qty.)1
Cylinder BoreCast iron
Bore x Stroke (in.)3.12 x 2.44
Cooling SystemAir cooled
Air Cleaner TypeDual element
Fuel TankYes
Fuel TypeGas
Fuel Tank Capacity (qt.)4
Fuel PumpNo
Fuel FilterYes
Oil Capacity (qt.)0.875
Lubrication SystemSplash
Low Oil AlertNo
Low Oil ShutdownNo
Ignition SystemElectronic
Governor SystemMechanical
CarburetorFloat
Throttle ControlManual, remote, adjustable (constant speed)
Choke ControlManual
Max. RPM3,600
Charging System Amps10-Amp DC
Muffler IncludedYes
Flywheel BrakeNo
Auto Compression ReleaseYes
Bolt Circle (in.)3 5/8, 5, 6 1/2
Mounting Base L x W (in.)7 11/16 x 3 15/16
Mounting Bolt Pattern L x W (in.)7 11/16 x 3 15/16
Dimensions L x W x H (in.)13 x 16 x 16 1/2
EPA/CARB Approval (California Air Resource Board)Yes

Product Manual

Manual (pdf)

What's Included

  • (1) Engine with 6:1 gear reduction and electric start

Manufacturer Warranty

2 years consumer use / 1 year commercial use

Additional Information

Engine Specs (pdf)
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Manufacturer Warranty: 2 years consumer use / 1 year commercial use

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Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1 The price is $999.99.
Briggs & Stratton 1450 Series Horizontal OHV Engine — 305cc, 1in. x 3 1/8in. Shaft, 6:1 Gear Reduction, Electric Start, Model# 20S257-0050-F1
NOT YET RATED   (Not Yet Rated - New)
Item# 24599
Only $999.99
Add to Cart
Hide Similarities
Engine Displacement (cc) 250 250 342 305 305
Start Type Recoil Recoil Recoil Recoil or electrical Recoil or electrical
Application Tillers, compressors, log splitters, edgers Tillers, compressors, log splitters, edgers Tillers, compressors, log splitters Tillers, log splitters, compressors, pressure washers, blowers Cement mixer, pump
Engine Type OHV 1150 Series OHV 1150 Series OHV 1550 Series OHV 1450 Series OHV 1450 Series
Rated Power (HP) - - Manufacturer no longer rates this engine by HP - -
Torque (ft./lbs.) 11.5 11.5 15.50 14.5 14.5
Shaft Output Horizontal Horizontal Horizontal Horizontal Horizontal
Crankshaft 1 x 2 7/8 3/4 x 2 5/16 - 3/4 x 2 21/32 1 x 3 1/8
Shaft Diameter (in.) 1 3/4 1 3/4 1
Shaft Length (in.) 2 7/8 2 5/16 2 21/32 2 21/32 3 1/8
Shaft Keyway (in.) 1/4 3/16 1/4 3/16 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8–24 3/8–24 7/16–20 3/8–24 7/16–20
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Gear Reduction No No - No Yes, 6:1
PTO Height (in.) 4 3/16 4 3/16 - 4 11/64 4 11/64
Bearing Type Plain Plain - Ball Ball
Cylinders (qty.) 1 1 1 1 1
Cylinder Bore Aluminum Aluminum Cast iron Cast iron Cast iron
Bore x Stroke (in.) 2.97 x 2.20 2.97 x 2.20 3.3 x 2.44 3.12 x 2.44 3.12 x 2.44
Cooling System Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type Pleated paper w/foam pre-cleaner Pleated paper w/foam pre-cleaner Automotive type foam Dual element Dual element
Fuel Tank Yes Yes Yes Yes Yes
Fuel Type Gas Gas Gasoline Gas Gas
Fuel Tank Capacity (qt.) 3 3 4 4 4
Fuel Pump No No - No No
Fuel Filter No No - Yes Yes
Oil Capacity (qt.) 0.625 0.625 0.82–.088 (26–28 oz.) 0.875 0.875
Lubrication System Splash Splash - Splash Splash
Low Oil Alert No No - No No
Low Oil Shutdown No No - No No
Ignition System Electronic Electronic Electronic Electronic Electronic
Governor System Mechanical Mechanical - Mechanical Mechanical
Carburetor Float Float Float Float Float
Throttle Control Manual, remote, adjustable (constant speed) Manual, remote, adjustable (constant speed) - Manual, remote, adjustable (constant speed) Manual, remote, adjustable (constant speed)
Choke Control Manual Manual - Manual Manual
Max. RPM 3,800 3,800 3,600 3,600 3,600
Charging System Amps - - - 3A DC 10-Amp DC
Muffler Included Yes Yes Yes Yes Yes
Flywheel Brake No No - No No
Auto Compression Release Yes Yes - Yes Yes
Bolt Circle (in.) 3 5/8 3 5/8 3 5/8, 5, 6 1/5 3 5/8, 5, 6 1/2 3 5/8, 5, 6 1/2
Mounting Base L x W (in.) 6 3/8 x 3 1/8 6 3/8 x 3 1/8 - 7 11/16 x 3 15/16 7 11/16 x 3 15/16
Mounting Bolt Pattern L x W (in.) 7 x 4 7 x 4 7 3/4 x 4 7 11/16 x 3 15/16 7 11/16 x 3 15/16
Dimensions L x W x H (in.) 18 x 17 x 20 18 x 17 x 20 16 x 16 x 16 13 x 16 x 16 1/2 13 x 16 x 16 1/2
EPA/CARB Approval (California Air Resource Board) Yes Yes Yes Yes Yes

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