Brand siblingSub-CompactPerformance profile
International Harvester D-439
The International Harvester D-439 is a sturdy tractor built for farm work. It has a diesel engine made by International Harvester, with four cylinders and liquid cooling. The engine is pretty strong, giving 39 horsepower at 1900 RPM. This tractor uses an Agriomatic transmission, which helps make driving easier. The D-439 is a good size for many farms. It's about 115 inches long, 65 inches wide, and 62 inches tall. It weighs 3,494 pounds, which helps it stay stable during work. The tractor has a three-point hitch, which lets it connect to many different tools. It uses a 12-volt electrical system and has an electric starter, making it easy to turn on. The engine holds 6.5 quarts of oil and 14.8 quarts of coolant, so it can work for a long time without overheating.
ManufacturerInternational HarvesterPower39 hpEngine4-cylTransAgriomatic
Image not recorded
Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 39hp
- Operating Weight
- 3,494 lb
- Transmission
- Agriomatic
At a glance
How the D-439 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
39 hp · 73rd
This model
4
Median 26.85 hp
49
This modelSub-Compact tractorsMediann = 816
The D-439 ranks at the 73rd percentile for engine power among recorded sub-compact tractors.
Overview
About the International Harvester D-439
The International Harvester D-439 is a sturdy tractor built for farm work. It has a diesel engine made by International Harvester, with four cylinders and liquid cooling. The engine is pretty strong, giving 39 horsepower at 1900 RPM. This tractor uses an Agriomatic transmission, which helps make driving easier. The D-439 is a good size for many farms. It's about 115 inches long, 65 inches wide, and 62 inches tall. It weighs 3,494 pounds, which helps it stay stable during work. The tractor has a three-point hitch, which lets it connect to many different tools. It uses a 12-volt electrical system and has an electric starter, making it easy to turn on. The engine holds 6.5 quarts of oil and 14.8 quarts of coolant, so it can work for a long time without overheating.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | D-439 |
| Category | Sub-Compact tractor |
| Operating weight | 3,494lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DD-148 |
| Power | 39hp |
| Cylinders | 4 |
| Displacement | 148.5ci |
| Bore | 3.44in |
| Stroke | 4in |
Transmission
| Type | Agriomatic |
|---|
Dimensions
| Length | 115.4in |
|---|---|
| Width | 64.6in |
| Height | 61.5in |
| Operating weight | 3,494lb |
Capacities
| Cooling system | 3.7gal |
|---|
Head to head
D-439 vs. Sub-Compact median
How the International Harvester D-439 compares to other Sub-Compact tractors
| Spec | This model | Sub-Compact median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 39 hp | 26.9 hp | +45% | 73rd |
| Engine Displacement | 149 ci | 91.4 ci | +62% | 83rd |
| Cylinders | 4 | 3 | +33% | 90th |
| Operating Weight | 3,494 lb | 2,700 lb | +29% | 66th |
| Length | 115 in | 113 in | +2% | 52nd |
| Width | 64.6 in | 50.7 in | +27% | 85th |
| Height | 61.5 in | 78.4 in | -22% | 23rd |
Medians and percentiles are computed from the sub-compact tractors in our database with a recorded value for each spec (sample sizes 584–816 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 353 | 38 hp | 3,801 lb | — | Compare → |
| International Harvester A-414 | 40 hp | 3,890 lb | — | Compare → |
| International Harvester 483 | 46 hp | 3,550 lb | — | Compare → |
| International Harvester DGD-4 | 30 hp | 2,855 lb | — | Compare → |
| International Harvester D-326 | 26 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely OilPull K 12/20 | 40 hp | 6,430 lb | — | Compare → |
| Allis Chalmers 160 | 40 hp | 4,674 lb | 1970–1975 | Compare → |
| Allis Chalmers 5040 | 40 hp | 3,858 lb | 1976–1980 | Compare → |
| Allis Chalmers 6140 | 40 hp | 4,000 lb | 1982–1985 | Compare → |
| Allis Chalmers D15 Series I | 40 hp | 3,990 lb | 1960–1963 | Compare → |
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FAQ
Common questions
How much horsepower does the International Harvester D-439 have?
The International Harvester D-439 produces 39 hp from its 4-cylinder engine. Engine displacement is 148.5 ci.
How much does the International Harvester D-439 weigh?
The International Harvester D-439 weighs about 3,494 lb in operating condition.
What transmission is in the International Harvester D-439?
Transmission on the International Harvester D-439 is Agriomatic.
What hitch category is the International Harvester D-439?
The International Harvester D-439 uses a Category II/I hitch.
What maintenance does the International Harvester D-439 require?
Like any tractor, the International Harvester D-439 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.