International Harvester DF-25 Specs ( 1951-1953 )
Overview
The International Harvester DF-25 is a 25 hp diesel farm tractor produced in Neuss, Germany, between 1951 and 1953. This standard-tread machine features a 4-cylinder liquid-cooled engine and a gear transmission providing four forward speeds and one reverse speed. A total of 3,500 units were manufactured during its three-year production run.
Ideal Applications
Diesel Engine Performance:
The tractor is equipped with an International Harvester 2.0L four-cylinder diesel engine rated at 25 hp at 1800 RPM with a 19:1 compression ratio.
Mechanical Drive System:
The drivetrain consists of a two-wheel drive chassis and a 4-speed gear transmission paired with a rear 540 PTO.
Physical Dimensions and Capacity:
The unit features a 78.3-inch wheelbase and an 11.4-gallon fuel tank, with overall dimensions of 126 inches in length and 64.6 inches in width.
Production
| Description | Standard-tread tractor / Built in Neuss, Germany |
|---|---|
| Manufacturer | International Harvester |
| Total built | 3,500 |
Engine
| Engine type | International Harvester 2.0L 4-cyl diesel |
|---|---|
| Fuel tank | 11.4 gal (43.1 L) |
| Bore/Stroke | 3.15x4.00 inches (80 x 102 mm) |
| Compression | 19:1 |
| Coolant capacity | 16.4 qts (15.5 L) |
| Description | International Harvester / diesel / 4-cylinder / liquid-cooled |
| Displacement | 124.7 ci (2.0 L) |
| Oil capacity | 6.3 qts (6.0 L) |
| Power | 25 hp (18.6 kW) |
| Rated RPM | 1800 |
| Starter volts | 12 |
Transmission
| Gears | 4 forward and 1 reverse |
|---|---|
| Transmission type | 4-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
PTO
| Rear PTO Type | 540 (1.375) |
|---|
Dimensions & Tires
| Height | 63 inches (160 cm) |
|---|---|
| Length | 126 inches (320 cm) |
| Wheelbase | 78.3 inches (198 cm) |
| Width | 64.6 inches (164 cm) |
| Front tire | 5.00-16 |
| Rear tire | 11.25-24 |
| Wheelbase | 78.3 inches (198 cm) |
| Ag front | 5.00-16 |
| Ag rear | 11.25-24 |
Speeds
| Description | With 11.25-24 rear tires. |
|---|