International Harvester D-439

Name: International Harvester D-439
Brand: International Harvester

Power

39 hp

Production

1962-1966

Engine

Diesel, 4-cylinder

Weight

3494 lbs [1584 kg]

Drive

2WD

25–40 HP 1960s

Introduction

International Harvester D-439: The Dependable Utility Tractor

Unveiling the International Harvester D-439, a stalwart utility tractor that has been a reliable workhorse in the agricultural sector. Built with durability and performance in mind, this machine from International Harvester offers a compelling blend of power and practicality for a wide array of farming tasks. Let's delve into what makes the D-439 a noteworthy presence in the field.

Powerful Diesel Engine

At the heart of the D-439 lies the International Harvester DD-148 diesel engine. This liquid-cooled, 4-cylinder powerhouse boasts a displacement of 148.5 cubic inches (2.4 L) and delivers a robust gross power of 39 hp. With a compression ratio of 19:1 and a peak torque of 108 lb-ft at 1450 RPM, it's engineered to tackle demanding jobs with confidence. The engine's substantial coolant capacity of 14.8 quarts ensures consistent performance even during prolonged operation, while the oil bath air cleaner provides reliable filtration.

Efficient Drivetrain and Control

The D-439 features a dependable two-wheel drive system, complemented by a mechanical rear differential lock for enhanced traction when the going gets tough. Steering is managed by a manual system, offering direct control. For stopping power, it relies on effective disc brakes, ensuring safe operation across varied terrains and conditions. The tractor is designed for straightforward operation, allowing farmers to focus on the task at hand.

Versatile PTO and Hitch

Equipped with a 540 RPM rear PTO (Power Take-Off) with a 1.375-inch diameter shaft, the D-439 is ready to power a wide range of implements. Its rear hitch is a versatile Category II/I type, providing broad compatibility with common agricultural tools. This ensures that the tractor can seamlessly integrate into existing farm operations, maximizing its utility and efficiency.

Practical Dimensions and Weight

The D-439 strikes a balance between stability and maneuverability. It measures 115.4 inches (293 cm) in length and 64.6 inches (164 cm) in width, with a height of 61.5 inches (156 cm). The wheelbase stands at 74 inches (187 cm), contributing to its stable platform. Weighing in at 3494 lbs (1584 kg), it offers a substantial presence for fieldwork while remaining manageable for its class.

Conclusion

"The International Harvester D-439 stands as a testament to robust engineering and practical design in the utility tractor segment. With its capable diesel engine, reliable drivetrain, and versatile implement compatibility, it has proven its worth as a dependable machine for generations of farmers. If you're seeking a no-nonsense tractor that delivers consistent performance, the D-439 is certainly a model worth considering."

Introduction

Production Information of International Harvester, D-439

The production information of the tractor (D-439) includes details about its manufacturing.

Utility tractor

Built in Neuss, Germany


Manufacturer	International Harvester
Total built	17,627

Dimension and Tires Information of International Harvester, D-439

This section sums up the dimension and tires information of the tractor.


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]


	11-36
Ag front	5.00-16
	4.00-19
	6.00-16
Ag rear	10-28
Ag rear	11-28
	6.00-19
Ag front	5.50-16
	9-36
	13-30
	7.50-16

Engine Specifications of International Harvester, D-439

Get the specifications for the engine and if different options are available.

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-439Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Open operator station.

Disc brakes

Manual steering


Differential lock	Mechanical rear

Power Information of International Harvester, D-439Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Rear PTO Type	540 (1.375)

Three-Point Hitch of International Harvester, D-439

Hitch category and rear/front lift capacity.


Rear Type	II/I

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.

More International Harvester models

33039 HP · 1957 - 1958 D-43639 HP · 1959 - 1962 24038 HP · 1958 - 1962 35338 HP · 1967 - 1972 36438 HP · 1976 - 1977 38338 HP · 1972 - 1975 38340 HP · 1982 - 1984 38440 HP · 1977 - 1982

View all 252 International Harvester models →

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