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Briggs & Stratton 1450 Series Horizontal OHV Engine 305cc, 1in. x 2 29/32in. Shaft, Model# 20S232-0036-F1
Item# 24571
Manufacturer's Warranty: 2 years consumer use / 1 year commercial use
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| Engine Displacement (cc) | 250 | 250 | 305 | 342 | 305 |
| Start Type | Recoil | Recoil | Recoil | Recoil | Recoil or electrical |
| Application | Tillers, compressors, log splitters, edgers | Tillers, compressors, log splitters, edgers | Pump | Tillers, compressors, log splitters | Tillers, log splitters, compressors, pressure washers, blowers |
| Engine Type | OHV 1150 Series | OHV 1150 Series | OHV 1450 Series | OHV 1550 Series | OHV 1450 Series |
| Rated Power (HP) | - | - | - | Manufacturer no longer rates this engine by HP | - |
| Torque (ft./lbs.) | 11.5 | 11.5 | 14.5 | 15.50 | 14.5 |
| Shaft Output | Horizontal | Horizontal | Horizontal | Horizontal | Horizontal |
| Crankshaft | 1 x 2 7/8 | 3/4 x 2 5/16 | 1 x 2 29/32 | - | 3/4 x 2 21/32 |
| Shaft Diameter (in.) | 1 | 3/4 | 1 | 1 | 3/4 |
| Shaft Length (in.) | 2 7/8 | 2 5/16 | 2 29/32 | 2 21/32 | 2 21/32 |
| Shaft Keyway (in.) | 1/4 | 3/16 | 1/4 | 1/4 | 3/16 |
| Shaft End Tapped (Diameter (in.)/Threads per inch) | 3/824 | 3/824 | 3/824 | 7/1620 | 3/824 |
| Shaft Rotation (From PTO Shaft Side) | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Gear Reduction | No | No | No | - | No |
| 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 | 3.12 x 2.44 | 3.3 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 | Dual element | Automotive type foam | Dual element |
| Fuel Tank | Yes | Yes | Yes | Yes | Yes |
| Fuel Type | Gas | Gas | Gas | Gasoline | 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 | 0.875 | 0.82.088 (2628 oz.) | 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 |
| 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 1/2 | 3 5/8, 5, 6 1/5 | 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 11/16 x 3 15/16 | 7 3/4 x 4 | 7 11/16 x 3 15/16 |
| Dimensions L x W x H (in.) | 18 x 17 x 20 | 18 x 17 x 20 | 13 x 16 x 16 1/2 | 16 x 16 x 16 | 13 x 16 x 16 1/2 |
| EPA/CARB Approval (California Air Resource Board) | Yes | Yes | Yes | Yes | Yes |








