Sub-CompactPerformance profile
International Harvester D-320
The International Harvester D-320 is a compact 2WD tractor designed for small farms and light work. It features a 6-speed gear transmission with one reverse gear, making it easy to operate in various field conditions. The tractor is powered by a 3-cylinder, liquid-cooled diesel engine that produces 20 horsepower at 1750 RPM. This engine is naturally aspirated and has a displacement of 99.5 cubic inches. The D-320 has a sturdy build, measuring 108.25 inches long, 64.5 inches wide, and 61 inches tall. It weighs 2,880 pounds, which gives it good stability for its size. The tractor comes equipped with agricultural tires front and rear, with sizes of 4.50x16 and 8x32 respectively. It features a Category I hitch, allowing it to work with a variety of implements. The D-320 also includes an oil bath air cleaner and an electric starter, making it easy to maintain and start up quickly.
ManufacturerInternational HarvesterPower20 hpEngine3-cylTransGear
Image not recorded
Quick specs
- Category
- Sub-Compact
- Engine Power Output
- 20hp
- Operating Weight
- 2,880 lb
- Transmission
- Gear
At a glance
How the D-320 compares
vs. Sub-Compact medianDistribution
Engine Power (hp)
Across all Sub-Compact tractors
20 hp · 25th
This model
4
Median 26.85 hp
49
This modelSub-Compact tractorsMediann = 816
The D-320 ranks at the 25th percentile for engine power among recorded sub-compact tractors.
Overview
About the International Harvester D-320
The International Harvester D-320 is a compact 2WD tractor designed for small farms and light work. It features a 6-speed gear transmission with one reverse gear, making it easy to operate in various field conditions. The tractor is powered by a 3-cylinder, liquid-cooled diesel engine that produces 20 horsepower at 1750 RPM. This engine is naturally aspirated and has a displacement of 99.5 cubic inches. The D-320 has a sturdy build, measuring 108.25 inches long, 64.5 inches wide, and 61 inches tall. It weighs 2,880 pounds, which gives it good stability for its size. The tractor comes equipped with agricultural tires front and rear, with sizes of 4.50x16 and 8x32 respectively. It features a Category I hitch, allowing it to work with a variety of implements. The D-320 also includes an oil bath air cleaner and an electric starter, making it easy to maintain and start up quickly.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | D-320 |
| Category | Sub-Compact tractor |
| Type | 4x2 2WD |
| Operating weight | 2,880lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DD-99 |
| Power | 20hp |
| Cylinders | 3 |
| Displacement | 99.5ci |
| Bore | 3.25in |
| Stroke | 4in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 6 |
| Reverse gears | 1 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Dimensions
| Length | 108.25in |
|---|---|
| Width | 64.5in |
| Height | 61in |
| Operating weight | 2,880lb |
Head to head
D-320 vs. Sub-Compact median
How the International Harvester D-320 compares to other Sub-Compact tractors
| Spec | This model | Sub-Compact median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 20 hp | 26.9 hp | -26% | 25th |
| Engine Displacement | 99.5 ci | 91.4 ci | +9% | 55th |
| Cylinders | 3 | 3 | at median | 50th |
| Forward Gears | 6 | 9 | -33% | 18th |
| Operating Weight | 2,880 lb | 2,700 lb | +7% | 54th |
| Length | 108 in | 113 in | -5% | 43rd |
| Width | 64.5 in | 50.7 in | +27% | 84th |
| Height | 61 in | 78.4 in | -22% | 22nd |
Medians and percentiles are computed from the sub-compact tractors in our database with a recorded value for each spec (sample sizes 584–816 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester DED | 20 hp | 2,624 lb | — | Compare → |
| International Harvester D-219 | 19 hp | — | — | Compare → |
| International Harvester D-322 | 22 hp | — | — | Compare → |
| International Harvester D-326 | 26 hp | — | — | Compare → |
| International Harvester D-212 | 12 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Ag King AK2040 | 20 hp | 2,470 lb | — | Compare → |
| Ariens GT20 | 20 hp | 959 lb | 1988–1995 | Compare → |
| Allis Chalmers 620 | 19.5 hp | 1,499 lb | 1973–1975 | Compare → |
| Allis Chalmers 720 | 19.5 hp | 1,299 lb | 1975–1983 | Compare → |
| Bolens HT20 | 19.5 hp | 1,091 lb | 1973–1978 | Compare → |
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FAQ
Common questions
How powerful is the International Harvester D-320?
The International Harvester D-320 has an engine power output of 20 hp. It is powered by a 3-cylinder engine displacing 99.5 ci.
What three-point hitch category does the International Harvester D-320 use?
The International Harvester D-320 has a Category I three-point hitch.
What is the working weight of the International Harvester D-320?
The operating weight of the International Harvester D-320 is approximately 2,880 lb.
What type of transmission does the International Harvester D-320 have?
The International Harvester D-320 uses a Gear transmission offering 6 forward gears.
What routine service does the International Harvester D-320 need?
Regular maintenance for the International Harvester D-320 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.