Brand siblingInternational Harvester 644
The International Harvester 644 is a utility tractor built for farm work. It has a diesel engine made by International Harvester, with four cylinders and 60 horsepower. This engine power is above average compared to other tractors. The tractor has a liquid-cooled system to keep the engine running smoothly. The 644 model has 8 forward gears and 4 reverse gears, giving farmers good control when working in fields. It weighs 6,350 pounds, which is also above average for tractors. This weight helps it handle tough jobs. The tractor is about 12 feet long and 8 feet tall, with big agricultural tires in the front and back. It has an electric starter and a category II hitch for attaching farm tools. The 12-volt electrical system powers the tractor's lights and other parts.

Quick specs
- Category
- Utility
- Engine Power Output
- 60hp
- Operating Weight
- 6,350 lb
At a glance
How the 644 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 644 ranks at the 54th percentile for engine power among recorded utility tractors.
Overview
About the International Harvester 644
The International Harvester 644 is a utility tractor built for farm work. It has a diesel engine made by International Harvester, with four cylinders and 60 horsepower. This engine power is above average compared to other tractors. The tractor has a liquid-cooled system to keep the engine running smoothly. The 644 model has 8 forward gears and 4 reverse gears, giving farmers good control when working in fields. It weighs 6,350 pounds, which is also above average for tractors. This weight helps it handle tough jobs. The tractor is about 12 feet long and 8 feet tall, with big agricultural tires in the front and back. It has an electric starter and a category II hitch for attaching farm tools. The 12-volt electrical system powers the tractor's lights and other parts.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 644 |
| Category | Utility tractor |
| Operating weight | 6,350lb |
Engine
| Make | International Harvester |
|---|---|
| Model | D-206 |
| Power | 60hp |
| Cylinders | 4 |
| Displacement | 206.4ci |
| Bore | 3.88in |
| Stroke | 4.38in |
Transmission
| Forward gears | 8 |
|---|---|
| Reverse gears | 4 |
Dimensions
| Length | 148.8in |
|---|---|
| Height | 98in |
| Operating weight | 6,350lb |
Head to head
644 vs. Utility median
How the International Harvester 644 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 60 hp | 55 hp | +9% | 54th |
| Engine Displacement | 206 ci | 183 ci | +13% | 57th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 8 | 12 | -33% | 23rd |
| Operating Weight | 6,350 lb | 5,303 lb | +20% | 60th |
| Length | 149 in | 137 in | +9% | 65th |
| Height | 98 in | 94.1 in | +4% | 61st |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,321–5,720 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 475 | 60 hp | 5,733 lb | — | Compare → |
| International Harvester 584 | 60 hp | 6,665 lb | 1977–1984 | Compare → |
| International Harvester 654 | 60 hp | 5,465 lb | — | Compare → |
| International Harvester 460 | 61 hp | 5,015 lb | 1958–1963 | Compare → |
| International Harvester Hydro 84 | 58.7 hp | 5,720 lb | 1978–1983 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Barreiros R-500 B | 60 hp | — | — | Compare → |
| AGCO GT55A | 58.89 hp | 6,400 lb | — | Compare → |
| Allis Chalmers 6070 | 58.35 hp | 7,460 lb | — | Compare → |
| Belarus 406 | 58 hp | 7,056 lb | — | Compare → |
| Belarus 426 | 58 hp | 7,188 lb | — | Compare → |
Explore
International Harvester siblings
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Gallery
International Harvester 644 photos



FAQ
Common questions
How much horsepower does the International Harvester 644 have?
The International Harvester 644 produces 60 hp from its 4-cylinder engine. Engine displacement is 206.4 ci.
How much does the International Harvester 644 weigh?
The International Harvester 644 weighs about 6,350 lb in operating condition.
What three-point hitch category does the International Harvester 644 use?
The International Harvester 644 has a Category II three-point hitch.
What maintenance does the International Harvester 644 require?
Like any tractor, the International Harvester 644 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.


