John Deere 720 Engine
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| Engine options | |
| John Deere 5.9L 2-cyl gasoline | |
| John Deere 5.9L 2-cyl all-fuel | |
| John Deere 5.9L 2-cyl LP gas | |
| John Deere 6.2L 2-cyl diesel |
| Engine Detail | |
| John Deere | |
| gasoline | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement | 360.5 ci 5.9 L |
| Bore/Stroke | 6.00x6.375 inches 152 x 162 mm |
| Air cleaner | oil bath |
| Compression | 6.14:1 |
| Rated RPM | 1125 |
| Firing order | 1-2 |
| Starter type | electric |
| Oil capacity | 12 qts (early) 11.4 L |
| 10 qts (late)*Lower capacity specified beginning at tractor SN 7214900. 9.5 L | |
| Coolant capacity | 29 qts 27.4 L |
| Engine Detail | |
| John Deere | |
| all-fuel | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement | 360.5 ci 5.9 L |
| Bore/Stroke | 6.00x6.375 inches 152 x 162 mm |
| Air cleaner | oil bath |
| Compression | 4.91:1 |
| Rated RPM | 1125 |
| Firing order | 1-2 |
| Starter type | electric |
| Oil capacity | 12 qts (early) 11.4 L |
| 10 qts (late)*Lower capacity specified beginning at tractor SN 7214900. 9.5 L | |
| Engine Detail | |
| John Deere | |
| LP gas | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement | 360.5 ci 5.9 L |
| Bore/Stroke | 6.00x6.375 inches 152 x 162 mm |
| Air cleaner | oil bath |
| Compression | 7.94:1 |
| Rated RPM | 1125 |
| Firing order | 1-2 |
| Starter | electric |
| Starter volts | 12 |
| Engine Detail | |
| John Deere | |
| diesel | |
| 2-cylinder 4-valve | |
| liquid-cooled | |
| Displacement | 376 ci 6.2 L |
| Bore/Stroke | 6.125x6.375 inches 156 x 162 mm |
| Compression | 16:1 |
| Rated RPM | 1125 |
| Firing order | 1-2 |
| Starter | pony motor *Four-cylinder 6V electric-start gasoline pony power used to warm and start the diesel engine. |
| electric *Electric start became available as an option on the 720 Diesel in 1958. | |
| Starter volts | 6 (diesel pony) |
| 24 (diesel electric) | |
| Oil capacity | 11 qts (diesel) 10.4 L |
| 1 qts (pony) 0.9 L | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 16, 2025 |