1975 – 1981Farm tractor
The Ford 4100 is a farm tractor produced from 1975 to 1981. The available specifications cover 1 engine configuration and 1 transmission option; equipment could vary by production year and market.
ManufacturerFord
CategoryFarm tractor
Engine options1
Transmissions1
Suited to a broad mix of routine field, yard and general farm duties.
Compatible with PTO-driven equipment and mounted implements through the rear three-point hitch.
Useful for moving loads, field operations and general transport around the farm.
Current model41001975–198147.5–52 hp| Production years | 1975–1981 |
|---|---|
| Manufacturer | Ford |
| Utility tractor | |
| Original price | $9,000 in 1981 |
≈ $33,100 in 2026 dollarsInflation-adjusted estimate based on U.S. CPI-U. Not a current market value.
| Engine (gross) | 52 hp (38.8 kW) |
|---|---|
| Engine (net) | 47.5 hp (35.4 kW) |
| Drawbar (claimed) | 39 hp (29.1 kW) |
| PTO (claimed) | 45 hp (33.6 kW) |
| Drawbar (tested) | 39.18 hp (29.2 kW) |
| PTO (tested) | 45.46 hp (33.9 kW) |
| Ford 3L 3-cyl diesel |
| Transmission variant 1 | 8 forward and 2 reverse |
|---|
| Two-wheel drive | |
| Power steering | |
| Mechanical wet disc brakes | |
| Open operator station. Cab optional. | |
| Differential lock | mechanical rear |
|---|---|
| Rear hitch category | I |
|---|---|
| Rear PTO | independent |
| Rear PTO speeds | 540 rpm |
| Wheelbase | 77.3 in (196 cm) |
|---|---|
| Weight | 4655 lb (2111 kg) |
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Location: | Front-right of transmission |
|---|---|
| 1975 | C450700 |
| 1976 | C490300 |
| 1977 | C527300 |
| 1978 | C560500 |
| 1979 | C595800 |
| 1980 | C635700 |
| 1981 | C660700 |