Brand siblingInternational Harvester 7788
The International Harvester 7788 is a powerful utility tractor designed for heavy-duty farm work. It features a robust 4x4 articulated chassis with four-wheel drive, making it ideal for tough terrain and challenging tasks. The tractor is equipped with a 20-forward and 4-reverse gear transmission, offering plenty of options for various farming operations. Under the hood, the 7788 boasts a turbocharged V8 diesel engine manufactured by International Harvester. This DV-800 engine is liquid-cooled and packs a punch with 330 hp at 2400 RPM. The engine's displacement of 798 ci is very high compared to other tractors, while its power output is also among the highest in its class. With a substantial operating weight of 21,550 lb, this tractor is built for serious work. It comes with a Category III three-point hitch, allowing for compatibility with a wide range of implements. The 7788's large size, measuring 246 inches long, 117 inches wide, and 147 inches tall, combined with its above-average weight, makes it a formidable machine in the field.

Quick specs
- Category
- Utility
- Engine Power Output
- 330hp
- Operating Weight
- 21,550 lb
At a glance
How the 7788 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 7788 ranks at the 97th percentile for engine power among recorded utility tractors.
Overview
About the International Harvester 7788
The International Harvester 7788 is a powerful utility tractor designed for heavy-duty farm work. It features a robust 4x4 articulated chassis with four-wheel drive, making it ideal for tough terrain and challenging tasks. The tractor is equipped with a 20-forward and 4-reverse gear transmission, offering plenty of options for various farming operations. Under the hood, the 7788 boasts a turbocharged V8 diesel engine manufactured by International Harvester. This DV-800 engine is liquid-cooled and packs a punch with 330 hp at 2400 RPM. The engine's displacement of 798 ci is very high compared to other tractors, while its power output is also among the highest in its class. With a substantial operating weight of 21,550 lb, this tractor is built for serious work. It comes with a Category III three-point hitch, allowing for compatibility with a wide range of implements. The 7788's large size, measuring 246 inches long, 117 inches wide, and 147 inches tall, combined with its above-average weight, makes it a formidable machine in the field.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 7788 |
| Category | Utility tractor |
| Type | 4x4 articulated 4WD |
| Operating weight | 21,550lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DV-800 |
| Power | 330hp |
| Cylinders | 8 |
| Displacement | 798ci |
| Bore | 5.31in |
| Stroke | 4.5in |
Transmission
| Forward gears | 20 |
|---|---|
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | 4WD |
Dimensions
| Length | 246in |
|---|---|
| Width | 117in |
| Height | 147in |
| Operating weight | 21,550lb |
Capacities
| Cooling system | 17.25gal |
|---|
Head to head
7788 vs. Utility median
How the International Harvester 7788 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 330 hp | 55 hp | +500% | 97th |
| Engine Displacement | 798 ci | 183 ci | +336% | 97th |
| Cylinders | 8 | 4 | +100% | 99th |
| Forward Gears | 20 | 12 | +67% | 86th |
| Operating Weight | 21,550 lb | 5,303 lb | +306% | 95th |
| Length | 246 in | 137 in | +80% | 96th |
| Width | 117 in | 66 in | +77% | 98th |
| Height | 147 in | 94.1 in | +56% | 98th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 4786 | 350 hp | 30,200 lb | — | Compare → |
| International Harvester 4586 | 300 hp | 25,750 lb | 1976–1981 | Compare → |
| International Harvester 7588 | 300 hp | 21,650 lb | — | Compare → |
| International Harvester 4166 | 175 hp | 15,900 lb | 1972–1976 | Compare → |
| International Harvester 3588 | 150.5 hp | 17,620 lb | 1978–1981 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH 9170 | 335 hp | — | — | Compare → |
| CaseIH 9270 | 335 hp | 34,045 lb | — | Compare → |
| Big Bud HN320 | 320 hp | 36,000 lb | — | Compare → |
| AGCO DT275B | 316.6 hp | 25,840 lb | 2009–2010 | Compare → |
| CaseIH Magnum 315 | 347 hp | 27,800 lb | — | Compare → |
Explore
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Gallery
International Harvester 7788 photos




FAQ
Common questions
How powerful is the International Harvester 7788?
The International Harvester 7788 has an engine power output of 330 hp. It is powered by an 8-cylinder engine displacing 798 ci.
What is the working weight of the International Harvester 7788?
The operating weight of the International Harvester 7788 is approximately 21,550 lb.
What three-point hitch category does the International Harvester 7788 use?
The International Harvester 7788 has a Category III three-point hitch.
What routine service does the International Harvester 7788 need?
Regular maintenance for the International Harvester 7788 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.
