| Engine Detail | |
| International Harvester D-691 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled vertical I-head | |
| Displacement | 691.1 ci 11.3 L |
| Bore/Stroke | 4.75x6.50 inches 121 x 165 mm |
| Compression | 15.04:1 |
| Rated RPM | 1450 (early) |
|   | 1550 (late) |
| Starter | gasoline-start |
| Starter volts | 12 |
| Coolant capacity | 104 qts 98.4 L |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 1, 2023 |