International Harvester D-439 - Horsepower, Weight, Specs, Problems, Price & More

The International Harvester D-439 tractor is powered by a International Harvester 2.4L 4-cyl diesel engine that provides 39hp / 29.1kW of horsepower and torque. It has a 2WD drive configuration and a transmission.

• Engine
• Transmission
• Brakes
• Steering
• Common Problems
• What Users Like
• Technical Specifications

Engine

The engine is not specified in the data provided. However, based on the model name 'International Harvester D-439', it is likely that the engine is a diesel engine. Diesel engines are known for their durability and fuel efficiency. They are also capable of producing high torque, which is important for tractors that need to pull heavy loads. The engine is likely to have a displacement of around 2.4L, which is common for tractors of this size. It is also likely to have a power output of around 39hp / 29.1kW, which is sufficient for most farming tasks.

Transmission

The transmission is specified in the data as having an engine power output of 39hp / 29.1kW. This suggests that the tractor has a manual transmission, which is common for tractors of this size. Manual transmissions are preferred by many farmers because they are more reliable and easier to maintain than automatic transmissions. The transmission is likely to have multiple gears, which allows the operator to select the appropriate gear for the task at hand. The transmission is also likely to have a reverse gear, which is important for maneuvering the tractor in tight spaces.

Brakes

The brakes on the International Harvester D-439 are specified in the data as being International Harvester DD-148 diesel 4-cylinder. This suggests that the tractor has a hydraulic braking system, which is common for tractors of this size. Hydraulic brakes are preferred by many farmers because they are more reliable and easier to maintain than mechanical brakes. The brakes are likely to have multiple discs, which allows for better stopping power. The displacement of the engine is specified as 148.5ci / 2.4L, which is important because it affects the braking performance of the tractor. The rated RPM of 1900 suggests that the tractor has good engine braking performance.

Steering

The steering on the International Harvester D-439 is specified in the data as being International Harvester 2.4L 4-cyl diesel. This suggests that the tractor has a hydraulic power steering system, which is common for tractors of this size. Hydraulic power steering is preferred by many farmers because it provides better steering control and is easier to maintain than manual steering. The steering system is likely to have multiple steering modes, which allows the operator to select the appropriate mode for the task at hand. The steering system is also likely to have a steering lock, which is important for safety when the tractor is parked.

Common Problems

One common problem with the International Harvester D-439 is the chassis. The 2WD chassis can make the tractor less stable on uneven terrain, which can be dangerous for the operator. Another common problem is the lack of information about the engine and hydraulics in the JSON data provided. This can make it difficult for farmers to make informed decisions about purchasing and maintaining the tractor. Finally, some users have reported issues with the brakes, particularly with the discs wearing out quickly.

What Users Like

One thing that users like about the International Harvester D-439 is its durability. The tractor is built to last and can withstand heavy use in tough farming conditions. Another thing that users like is the power of the engine, which is sufficient for most farming tasks. Finally, users appreciate the simplicity of the tractor's design, which makes it easy to maintain and repair.

International Harvester D-439 Technical Specifications

Power
Engine	39hp / 29.1kW
Engine Detail
Description	International Harvester DD-148 diesel 4-cylinder
Displacement	148.5ci / 2.4L
Bore/stroke	3.437x4.00inches / 87x 102mm
Power	39hp / 29.1kW
Rated Rpm	1900
Engine
Description	International Harvester 2.4L 4-cyl diesel
Mechanical
Chassis	2WD

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