International Harvester D-322
The International Harvester D-322 is a 2WD tractor designed for farmers who need a reliable workhorse. It features a diesel engine made by International Harvester, known for their durable farm equipment. The D-322's engine, called the DD-99, has three cylinders and runs without a turbocharger. This tractor's engine has a displacement of 99.5 cubic inches, which is about average for its class. It produces 22 horsepower at 1800 RPM, making it suitable for light to medium farm tasks. The D-322 comes with a Category III hitch, allowing it to work with a wide range of farm implements. Its simple design and straightforward features make it easy to operate and maintain, which is great for farmers who prefer no-fuss machinery.

Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 22hp
At a glance
How the D-322 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
This model
The D-322 ranks at the 32nd percentile for engine power among recorded sub-compact tractors.
Overview
About the International Harvester D-322
The International Harvester D-322 is a 2WD tractor designed for farmers who need a reliable workhorse. It features a diesel engine made by International Harvester, known for their durable farm equipment. The D-322's engine, called the DD-99, has three cylinders and runs without a turbocharger. This tractor's engine has a displacement of 99.5 cubic inches, which is about average for its class. It produces 22 horsepower at 1800 RPM, making it suitable for light to medium farm tasks. The D-322 comes with a Category III hitch, allowing it to work with a wide range of farm implements. Its simple design and straightforward features make it easy to operate and maintain, which is great for farmers who prefer no-fuss machinery.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | D-322 |
| Category | Sub-Compact tractor |
| Type | 2WD |
Engine
| Make | International Harvester |
|---|---|
| Model | DD-99 |
| Power | 22hp |
| Cylinders | 3 |
| Displacement | 99.5ci |
| Bore | 3.25in |
| Stroke | 4in |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
Head to head
D-322 vs. Sub-Compact median
How the International Harvester D-322 compares to other Sub-Compact tractors
| Spec | This model | Sub-Compact median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 22 hp | 26.9 hp | -18% | 32nd |
| Engine Displacement | 99.5 ci | 91.4 ci | +9% | 55th |
| Cylinders | 3 | 3 | at median | 50th |
Medians and percentiles are computed from the sub-compact tractors in our database with a recorded value for each spec (sample sizes 757–816 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester D-320 | 20 hp | 2,880 lb | — | Compare → |
| International Harvester DED | 20 hp | 2,624 lb | — | Compare → |
| International Harvester D-219 | 19 hp | — | — | Compare → |
| International Harvester D-326 | 26 hp | — | — | Compare → |
| International Harvester DGD-4 | 30 hp | 2,855 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers D270 | 22 hp | 2,500 lb | — | Compare → |
| Belarus 200 | 22 hp | 2,600 lb | — | Compare → |
| Belarus 2011 | 22 hp | 2,602 lb | — | Compare → |
| Belarus 2045 | 22 hp | 2,712 lb | — | Compare → |
| Belarus 2145 | 22 hp | 2,700 lb | — | Compare → |
Explore
International Harvester siblings
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Similar-spec models
Gallery
International Harvester D-322 photos

FAQ
Common questions
How much horsepower does the International Harvester D-322 have?
The International Harvester D-322 produces 22 hp from its 3-cylinder engine. Engine displacement is 99.5 ci.
What three-point hitch category does the International Harvester D-322 use?
The International Harvester D-322 has a Category III three-point hitch.
What maintenance does the International Harvester D-322 require?
Like any tractor, the International Harvester D-322 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.



