| Engine options | |
| International Harvester 3.6L 6-cyl gasoline | |
| International Harvester 3.9L 6-cyl diesel | |
| International Harvester 3.6L 6-cyl LP gas | 
| Engine Detail | |
| International Harvester C-221 | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 221 ci 3.6 L  | 
| Bore/Stroke | 3.5625x3.6875 inches 90 x 94 mm  | 
| Air cleaner | dry | 
| Rated RPM | 2000 | 
| Starter volts | 12 | 
| Coolant capacity | 20.5 qts 19.4 L  | 
| Engine Detail | |
| International Harvester D-236 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 236 ci 3.9 L  | 
| Bore/Stroke | 3.6875x3.6875 inches 94 x 94 mm  | 
| Air cleaner | dry | 
| Rated RPM | 2000 | 
| Coolant capacity | 23 qts 21.8 L  | 
| Engine Detail | |
| International Harvester C-221 | |
| LP gas | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 221 ci 3.6 L  | 
| Bore/Stroke | 3.5625x3.6875 inches 90 x 94 mm  | 
| Air cleaner | dry | 
| Rated RPM | 2000 | 
| Coolant capacity | 20.5 qts 19.4 L  | 
| 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 April 1, 2019 |