Ironton OHV Horizontal Engine 420cc 1in. 25.4mm x 2 27 32in 72.2mm Shaft
Experience heavy-duty performance with the Ironton OHV Horizontal Engine 420cc. This powerful engine is ideal for log splitters, commercial pressure washers, and larger industrial equipment, delivering high torque and sustained power. It features a robust OHV design and a large 1in. (25.4mm) keyed shaft (2-27/32in. / 72.2mm long) for connecting to heavy-duty transmissions. The 420cc Ironton engine offers strong, reliable power and excellent value, with a durable build quality suitable for challenging applications.
| Brand | Ironton |
| Manufacturer’s Warranty | 3 months parts / 3 months labor |
| Ship Weight | 75.0 lbs |
| Engine Displacement | 420 cc |
| Engine Type | OHV |
| Start Type | Recoil |
| Shaft Diameter | 1 in |
| Shaft Length | 2.84 in |
| Shaft Diameter Metric | 25.4 mm |
| Shaft Length Metric | 72.2 mm |
| Shaft Output | Horizontal |
| Shaft Keyway | 0.25 in |
| Shaft End Tapped (Diameter (in.)/Threads per inch) | 3/8-24 UNF2B |
| Shaft Rotation (From PTO Shaft Side) | Counterclockwise |
| PTO Height | 5.2 in |
| Cylinders (qty.) | 1 |
| Cylinder Bore | Cast iron |
| Cooling System | Air cooled |
| Bore | 3.54 in |
| Stroke | 2.6 in |
| Air Cleaner Type | Pleated paper w/foam pre-cleaner |
| Fuel Tank Capacity | 6.34 qt |
| Oil Capacity | 1.1 qt |
| Low Oil Alert | Yes |
| Lubrication System | Splash |
| Ignition System | Electronic |
| Governor System | Mechanical |
| Carburetor | Float/choke |
| Max. RPM | 3,800 |
| Muffler Included | Yes |
| CARB Approval | No |
| Bolt Circle | 5, 6.5 in |
| Mounting Base Length | 3.7 in |
| Mounting Base Width | 7.7 in |
| Dimensions L x W x H (in.) | 19.7 x 17.7 x 19.7 in |
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