Introduction
International Harvester D-439 Utility Tractor
The International Harvester D-439 is a utility tractor manufactured in Neuss, Germany, between 1962 and 1966. With a total production run of 17,627 units, it served as a reliable machine for general agricultural operations during the mid-1960s.
Engine and Performance
The tractor is powered by the International Harvester DD-148, a 2.4-liter, 4-cylinder liquid-cooled diesel engine. It produces a gross power output of 39 hp (29.1 kW) at a rated speed of 1900 RPM. The engine features a 19:1 compression ratio and generates 108 lb-ft (146.4 Nm) of torque at 1450 RPM. Maintenance components include an oil bath air cleaner and a 12-volt starter system.
Transmission and Handling
The D-439 utilizes a two-wheel drive configuration paired with manual steering for direct control. Operational safety and maneuverability are provided by disc brakes and a mechanical rear differential lock, which assists in maintaining traction on varied terrain.
Hydraulics and Implements
The tractor is equipped with a rear power take-off (PTO) operating at 540 RPM. For implement attachment, it features a Category II/I rear hitch, ensuring compatibility with a broad range of agricultural tools common to this power class.
Dimensions and Weight
The unit has a wheelbase of 74 inches (187 cm) and an overall length of 115.4 inches (293 cm). With a width of 64.6 inches (164 cm) and a height of 61.5 inches (156 cm), it maintains a compact footprint. The tractor weighs approximately 3494 lbs (1584 kg), providing a stable base for standard field tasks.
Conclusion
The International Harvester D-439 is a straightforward, mechanical utility tractor designed for durability. Its combination of a 39 hp diesel engine and essential hydraulic features makes it suitable for small-to-medium scale farming applications where mechanical simplicity and operational reliability are required.
International Harvester D-439 Manuals & Documentation
Download the manuals and documentation available for the International Harvester D-439: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
- Catalogue des pièces - p001 - 050PDF · 34.28 Mo
- Catalogue des pièces - p051 - 100PDF · 26.35 Mo
- Catalogue des pièces - p101 - 150PDF · 23.982 Mo
- Catalogue des pièces - p151 - 200PDF · 27.763 Mo
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of International Harvester, D-439
- Utility tractor
- Built in Neuss, Germany
| Manufacturer | International Harvester |
|---|---|
| Total built | 17,627 |
Dimension and Tires Information of International Harvester, D-439
| Wheelbase | 74 inches [187 cm] |
|---|---|
| Weight | 3494 lbs [1584 kg] |
| Height | 61.5 inches [156 cm] |
| Length | 115.4 inches [293 cm] |
| Width | 64.6 inches [164 cm] |
| Ag front | 5.00-16 |
|---|---|
| Ag front(optional) | 4.00-19 |
| Ag front(optional) | 6.00-16 |
| Ag rear | 10-28 |
| Ag rear | 11-28 |
| Ag rear(optional) | 6.00-19 |
| Ag front | 5.50-16 |
| Ag front(optional) | 9-36 |
| Ag front(optional) | 13-30 |
| Ag front(optional) | 7.50-16 |
Engine Specifications of International Harvester, D-439
- International Harvester DD-148
- Liquid-cooled
- Diesel
- 4-cylinder
| Coolant capacity | 14.8 qts [14.0 L] |
|---|---|
| Air cleaner | Oil bath |
| Compression | 19:1 |
| Torque | 108 lb-ft [146.4 Nm] |
| Rated RPM | 1900 |
| Displacement | 148.5 ci [2.4 L] |
| Power (gross) | 39 hp [29.1 kW] |
| Bore/Stroke | 3.437x4.00 inches [87 x 102 mm] |
| Oil capacity | 6.5 qts [6.2 L] |
| Starter volts | 12 |
| Torque RPM | 1450 |
Mechanical Specs of International Harvester, D-439
- Two-wheel drive
- Open operator station.
- Disc brakes
- Manual steering
| Differential lock | Mechanical rear |
|---|
Power Information of International Harvester, D-439
| Rear PTO Type | 540 (1.375) |
|---|
Three-Point Hitch of International Harvester, D-439
| Rear Type | II/I |
|---|
Where it sits
With 39 HP, the International Harvester D-439 sits between Titan 18-35 (38 HP) and 383 (40 HP) in International Harvester's range. Its power puts it in the 30th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the International Harvester D-439 have?
The International Harvester D-439 delivers 39 HP.
What years was the International Harvester D-439 produced?
The International Harvester D-439 was produced in 1962-1966.
What engine does the International Harvester D-439 have?
The International Harvester D-439 is powered by a Diesel, 4-cylinder engine.
How much does the International Harvester D-439 weigh?
The International Harvester D-439 weighs 3494 lbs [1584 kg].
Is the International Harvester D-439 4WD?
The International Harvester D-439 is available in 2WD.