| Engine options | |
| International Harvester 5.1L 6-cyl diesel | |
| International Harvester 4.8L 6-cyl gasoline |
| Engine Detail | |
| International Harvester D-312 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 312 ci 5.1 L |
| Bore/Stroke | 3.875x4.410 inches 98 x 112 mm |
| Air cleaner | dual dry element with unloader |
| Compression | 17:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Engine Detail | |
| International Harvester | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 290.8 ci 4.8 L |
| Bore/Stroke | 3.75x4.39 inches 95 x 112 mm |
| Air cleaner | dual stage dry with dust unloader |
| Compression | 7.5:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Engine Detail | |
| International Harvester D-310 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| The D-310 diesel was used on the Hydro 86, replacing the 312, during production in 1979. | |
| Displacement | 310 ci 5.1 L |
| Bore/Stroke | 3.875x4.375 inches 98 x 111 mm |
| Air cleaner | dry |
| Compression | 15.1:1 |
| Rated RPM | 2400 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 6, 2024 |