Ford 3900
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| Production | |
| Manufacturer | Ford |
| Utility tractor | |
| Ford 3900 Engine | |
| Ford 2.9L 3-cyl diesel | |
| Fuel tank | 13 gal 49.2 L |
 Engine details ... | |
| Ford 3900 Transmission | |
| 8-speed gear | |
 Transmission details ... |
| Ford 3900 Power | |
| Engine (gross) | 47 hp 35.0 kW |
| Mechanical | |
| Two-wheel drive | |
| Differential lock | mechanical rear OptOptional |
| Mechanical wet disc brakes | |
| ROPS standard. Cab available. | |
| Photos | |
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 Ford 3900 photos... | |
| Tractor hitch | |
| Rear Type | I |
| Control | position and draft control |
| Rear lift | 3417 lbs 1549 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1800 |
| Dimensions & Tires | |
| Wheelbase | 77.6 inches 197 cm |
| Weight | 4766 lbs 2161 kg |
| Front tire | 6.00x19 |
| Rear tire | 12.4/11x36 |
 Full dimensions and tires ... | |
| Electrical | |
| Charging system | alternator |
| Charging amps | 28 |
| Battery volts | 12 |
| Battery AH | 128 |
| References | |
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| 3900 4100 4600 published in 1979, by Ford* | |
| *Publication contains known errors. |
| Page information | |
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| Copyright 2026 TractorData.com® | |
| Email me: Peter@TractorData.com | |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. | |
| Peter Easterlund - owner/author | |
| This machine's data modified on August 23, 2021 | |
| https://www.dmcretail.com/newholland - Official Ford operator manuals from CNH. |