Brand siblingInternational Harvester 6388
The International Harvester 6388 is a powerful 4x4 articulated tractor built for tough farming jobs. It has a strong diesel engine with 6 cylinders and 157 horsepower. This tractor can handle big fields easily with its four-wheel drive and special steering that helps it turn smoothly. The 6388 has a lot of gears - 16 forward and 8 reverse - so farmers can pick the right speed for any task. It's a big tractor, measuring 227 inches long and weighing 15,960 pounds. The cab keeps the driver comfortable while working long hours. The tractor has big 38-inch wheels and a strong hitch in the back for pulling heavy equipment. It also has a good hydraulic system for powering attachments.

Quick specs
- Category
- Four-Wheel Drive
- Engine Power Output
- 157hp
- Operating Weight
- 15,960 lb
- Transmission
- two-range power shift
At a glance
How the 6388 compares
vs. Four-Wheel Drive medianDistribution
Engine Power (hp)
Across all Four-Wheel Drive tractors
This model
The 6388 ranks at the 4th percentile for engine power among recorded four-wheel drive tractors.
Overview
About the International Harvester 6388
The International Harvester 6388 is a powerful 4x4 articulated tractor built for tough farming jobs. It has a strong diesel engine with 6 cylinders and 157 horsepower. This tractor can handle big fields easily with its four-wheel drive and special steering that helps it turn smoothly. The 6388 has a lot of gears - 16 forward and 8 reverse - so farmers can pick the right speed for any task. It's a big tractor, measuring 227 inches long and weighing 15,960 pounds. The cab keeps the driver comfortable while working long hours. The tractor has big 38-inch wheels and a strong hitch in the back for pulling heavy equipment. It also has a good hydraulic system for powering attachments.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 6388 |
| Category | Four-Wheel Drive tractor |
| Type | 4x4 articulated 4WD |
| Operating weight | 15,960lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DT 436B |
| Power | 157hp |
| Cylinders | 6 |
| Displacement | 436ci |
| Bore | 4.3in |
| Stroke | 5in |
Transmission
| Type | two-range power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 8 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | 4WD |
| Steering | articulated hydrostatic power |
| Cab | Cab |
Hydraulics
| Type | closed center |
|---|
Dimensions
| Length | 227in |
|---|---|
| Width | 101.61in |
| Height | 113in |
| Operating weight | 15,960lb |
Capacities
| Cooling system | 8.5gal |
|---|
Head to head
6388 vs. Four-Wheel Drive median
How the International Harvester 6388 compares to other Four-Wheel Drive tractors
| Spec | This model | Four-Wheel Drive median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 157 hp | 375 hp | -58% | 4th |
| Engine Displacement | 436 ci | 826 ci | -47% | 3rd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 15,960 lb | 37,428 lb | -57% | 4th |
| Length | 227 in | 275 in | -17% | 10th |
| Width | 102 in | 116 in | -12% | 38th |
| Height | 113 in | 143 in | -21% | 6th |
Medians and percentiles are computed from the four-wheel drive tractors in our database with a recorded value for each spec (sample sizes 71–162 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 6788 | 200 hp | 16,920 lb | — | Compare → |
| International Harvester 4386 | 230 hp | 24,930 lb | — | Compare → |
| International Harvester 7388 | 230 hp | 19,500 lb | — | Compare → |
| International Harvester 4300 | 300 hp | 29,815 lb | — | Compare → |
| International Harvester 1586 | 160 hp | 15,124 lb | 1976–1981 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 7050 | 156.49 hp | 19,530 lb | 1973–1974 | Compare → |
| Agco RT155 | 155 hp | 14,793.1 lb | — | Compare → |
| CaseIH 7220 | 155 hp | 17,418 lb | 1994–1996 | Compare → |
| AGCO DT160 | 160 hp | 18,500 lb | 2002–2004 | Compare → |
| CaseIH 2294 | 154 hp | 14,390 lb | — | Compare → |
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Gallery
International Harvester 6388 photos



FAQ
Common questions
How much horsepower does the International Harvester 6388 have?
The International Harvester 6388 produces 157 hp from its 6-cylinder engine. Engine displacement is 436 ci.
What hitch category is the International Harvester 6388?
The International Harvester 6388 uses a Category III/II hitch.
How much does the International Harvester 6388 weigh?
The International Harvester 6388 weighs about 15,960 lb in operating condition.
What transmission is in the International Harvester 6388?
Transmission on the International Harvester 6388 is two-range power shift, with 16 forward speeds.
What type of hydraulic system does the International Harvester 6388 use?
Hydraulics on the International Harvester 6388 are closed center.
What maintenance does the International Harvester 6388 require?
Like any tractor, the International Harvester 6388 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.


