International Harvester 786B
The International Harvester 786B is a powerful tractor designed for serious farm work. It features a 6-cylinder diesel engine made by International Harvester. This engine, called the D-310, has a displacement of 310 cubic inches and can produce 100 horsepower. The tractor uses liquid cooling to keep the engine running smoothly, even during tough jobs. One of the standout features of the 786B is its transmission. It has a two-speed power shift system with 16 forward gears and 8 reverse gears. This gives farmers lots of options for different tasks and speeds. The tractor is big and strong, measuring 155.9 inches long and 101.6 inches wide. It weighs 11,354 pounds, which helps it handle heavy loads. The 786B comes with agricultural tires and a Category 3 hitch, making it ready for a wide range of farm equipment. It also has an electric starter for easy operation.

Quick specs
- Category
- Agricultural
- Engine Power Output
- 100hp
- Operating Weight
- 11,354 lb
- Transmission
- Two-speed power shift
At a glance
How the 786B compares
vs. Agricultural medianDistribution
Engine Power (hp)
Across all Agricultural tractors
This model
The 786B ranks at the 44th percentile for engine power among recorded agricultural tractors.
Overview
About the International Harvester 786B
The International Harvester 786B is a powerful tractor designed for serious farm work. It features a 6-cylinder diesel engine made by International Harvester. This engine, called the D-310, has a displacement of 310 cubic inches and can produce 100 horsepower. The tractor uses liquid cooling to keep the engine running smoothly, even during tough jobs. One of the standout features of the 786B is its transmission. It has a two-speed power shift system with 16 forward gears and 8 reverse gears. This gives farmers lots of options for different tasks and speeds. The tractor is big and strong, measuring 155.9 inches long and 101.6 inches wide. It weighs 11,354 pounds, which helps it handle heavy loads. The 786B comes with agricultural tires and a Category 3 hitch, making it ready for a wide range of farm equipment. It also has an electric starter for easy operation.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 786B |
| Category | Agricultural tractor |
| Operating weight | 11,354lb |
Engine
| Make | International Harvester |
|---|---|
| Model | D-310 |
| Power | 100hp |
| Cylinders | 6 |
| Displacement | 310ci |
| Bore | 3.88in |
| Stroke | 4.38in |
Transmission
| Type | Two-speed power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 8 |
Dimensions
| Length | 155.9in |
|---|---|
| Width | 101.6in |
| Operating weight | 11,354lb |
Head to head
786B vs. Agricultural median
How the International Harvester 786B compares to other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 100 hp | 110 hp | -9% | 44th |
| Engine Displacement | 310 ci | 336 ci | -8% | 48th |
| Cylinders | 6 | 5.5 | +9% | 74th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 11,354 lb | 10,914 lb | +4% | 52nd |
| Length | 156 in | 173 in | -10% | 33rd |
| Width | 102 in | 79.5 in | +28% | 88th |
Medians and percentiles are computed from the agricultural tractors in our database with a recorded value for each spec (sample sizes 497–1,130 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 946 | 85 hp | 8,489 lb | — | Compare → |
| International Harvester Hydro 85 | 80 hp | — | — | Compare → |
| International Harvester 886B | 121 hp | 12,059 lb | — | Compare → |
| International Harvester 1246 | 122 hp | 9,481 lb | — | Compare → |
| International Harvester 986B | 133 hp | 12,434 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO LT75A | 100 hp | 8,820 lb | — | Compare → |
| Agco RT100a | 100 hp | 11,051.8 lb | — | Compare → |
| Belarus 1005 | 100 hp | 8,874 lb | — | Compare → |
| Belarus 1025 | 100 hp | 9,144 lb | — | Compare → |
| Agrinar T-100 | 97.9 hp | 3,850 lb | — | Compare → |
Explore
International Harvester siblings
Explore
Similar-spec models
Gallery
International Harvester 786B photos


FAQ
Common questions
What is the engine power output of the International Harvester 786B?
Rated engine output for the International Harvester 786B is 100 hp, delivered by a 6-cylinder engine. The engine displaces 310 ci.
Which transmission does the International Harvester 786B use?
The International Harvester 786B is equipped with a Two-speed power shift transmission with 16 forward gears.
What hitch category is the International Harvester 786B?
The International Harvester 786B uses a Category Category 3 hitch.
What is the operating weight of the International Harvester 786B?
In working trim, the International Harvester 786B comes in at roughly 11,354 lb.
How do I maintain a International Harvester 786B?
Routine service for the International Harvester 786B covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.




