International Harvester Hydro 70 Engine
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| Engine options | |
| International Harvester 4.8L 6-cyl gasoline | |
| International Harvester 5.1L 6-cyl diesel |
| Engine Detail | |
| International Harvester C-291 | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled inine | |
| Displacement | 291 ci 4.8 L |
| Bore/Stroke | 3.75x4.39 inches 95 x 112 mm |
| Power (gross) | 90 hp 67.1 kW |
| Air cleaner | dual stage dry |
| Compression | 7.5:1 |
| Rated RPM | 2400 |
| Idle RPM | 900-2400 |
| Starter volts | 12 |
| Oil capacity | 9 qts 8.5 L |
| Coolant capacity | 21 qts 19.9 L |
| Engine Detail | |
| International Harvester D-312 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| Displacement | 312 ci 5.1 L |
| Bore/Stroke | 3.875x4.410 inches 98 x 112 mm |
| Power (gross) | 90 hp 67.1 kW |
| Air cleaner | dual stage dry |
| Compression | 17:1 |
| Rated RPM | 2400 |
| Idle RPM | 900-2400 |
| Starter volts | 12 |
| Oil capacity | 12 qts 11.4 L |
| Coolant capacity | 21 qts 19.9 L |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on May 29, 2026 |