International Harvester FS
The International Harvester FS is a classic 2-wheel drive tractor built for farm work. It has a simple design that's easy to use and maintain. Under the hood, the FS has a 4-cylinder kerosene engine made by International Harvester. This engine has a displacement of 124.7 cubic inches, which gives it good power for its size. The engine runs at 1650 RPM and produces 20 horsepower, making it suitable for many farm tasks. The engine's bore is 3.15 inches, and its stroke is 4 inches, creating a balanced design for smooth operation. International Harvester was known for making reliable farm equipment, and the FS model continues that tradition. While it may not have the power of larger tractors, its 2-wheel drive system and kerosene engine make it a practical choice for farmers who need a dependable machine for everyday use.

Quick specs
- Engine Power Output
- 20hp
Overview
About the International Harvester FS
The International Harvester FS is a classic 2-wheel drive tractor built for farm work. It has a simple design that's easy to use and maintain. Under the hood, the FS has a 4-cylinder kerosene engine made by International Harvester. This engine has a displacement of 124.7 cubic inches, which gives it good power for its size. The engine runs at 1650 RPM and produces 20 horsepower, making it suitable for many farm tasks. The engine's bore is 3.15 inches, and its stroke is 4 inches, creating a balanced design for smooth operation. International Harvester was known for making reliable farm equipment, and the FS model continues that tradition. While it may not have the power of larger tractors, its 2-wheel drive system and kerosene engine make it a practical choice for farmers who need a dependable machine for everyday use.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | FS |
| Type | 2WD |
Engine
| Make | International Harvester |
|---|---|
| Power | 20hp |
| Cylinders | 4 |
| Displacement | 124.7ci |
| Bore | 3.15in |
| Stroke | 4in |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
Head to head
FS vs. category median
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 FG | 20 hp | 3,860 lb | — | Compare → |
| International Harvester HG | 20 hp | — | — | Compare → |
| International Harvester Titan D 20HP | 20 hp | 14,200 lb | — | 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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Gallery
International Harvester FS photos





FAQ
Common questions
How powerful is the International Harvester FS?
The International Harvester FS has an engine power output of 20 hp. It is powered by a 4-cylinder engine displacing 124.7 ci.
What routine service does the International Harvester FS need?
Regular maintenance for the International Harvester FS 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.

