Utility
Farmall 666
The Farmall 666 is a versatile tractor designed for various farming tasks. It features a powerful 6-cylinder engine made by International Harvester, running at 2000 rpm. The tractor has a hydrostatic power steering system, making it easy to control in the field. With 10 forward gears and 2 reverse gears, farmers can choose the right speed for any job. This tractor is built tough, weighing 7053 lb. It comes with an IH Fast Hitch system and a Category 2 hitch, making it easy to attach different tools. The rear PTO (Power Take-Off) runs at 540 rpm, perfect for powering many farm implements. The Farmall 666 offers different transmission options, including sliding gear, hydrostatic, and Torque-Amplifier. It has a 103-inch wheelbase and runs on a 12-volt electrical system with an electric starter. The front tires are 7.50-16, while the rear tires are larger at 15.5-38, providing good traction in various field conditions.
ManufacturerFarmallEngine6-cyl
Image not recorded
Quick specs
- Category
- Utility
- Operating Weight
- 7,053 lb
Overview
About the Farmall 666
The Farmall 666 is a versatile tractor designed for various farming tasks. It features a powerful 6-cylinder engine made by International Harvester, running at 2000 rpm. The tractor has a hydrostatic power steering system, making it easy to control in the field. With 10 forward gears and 2 reverse gears, farmers can choose the right speed for any job. This tractor is built tough, weighing 7053 lb. It comes with an IH Fast Hitch system and a Category 2 hitch, making it easy to attach different tools. The rear PTO (Power Take-Off) runs at 540 rpm, perfect for powering many farm implements. The Farmall 666 offers different transmission options, including sliding gear, hydrostatic, and Torque-Amplifier. It has a 103-inch wheelbase and runs on a 12-volt electrical system with an electric starter. The front tires are 7.50-16, while the rear tires are larger at 15.5-38, providing good traction in various field conditions.
Full specifications
Every recorded spec
General
| Manufacturer | Farmall |
|---|---|
| Model | 666 |
| Category | Utility tractor |
| Operating weight | 7,053lb |
Engine
| Make | International Harvester |
|---|---|
| Cylinders | 6 |
Transmission
| Forward gears | 10 |
|---|---|
| Reverse gears | 2 |
Chassis & drive
| Steering | Hydrostatic Power |
|---|
Power take-off
| Rear PTO | Rear |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Operating weight | 7,053lb |
|---|
Head to head
666 vs. Utility median
How the Farmall 666 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 10 | 12 | -17% | 39th |
| Operating Weight | 7,053 lb | 5,303 lb | +33% | 67th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,941–5,720 models).
Compare to tractors with similar specs
Commonly compared Farmall tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Farmall 140 | 21.1 hp | 3,000 lb | 1958–1973 | Compare → |
| Farmall 544 | — | 7,195 lb | — | Compare → |
| Farmall 564 | 60 hp | 5,465 lb | — | Compare → |
| Farmall 826 | — | 9,860 lb | — | Compare → |
| Farmall Cub | — | 1,477 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely 6A | — | 6,370 lb | — | Compare → |
| Advance-Rumely DoAll | — | 3,702 lb | — | Compare → |
| Advance-Rumely OilPull B 25/45 | — | 25,000 lb | — | Compare → |
| Advance-Rumely OilPull E 30/60 | — | 26,300 lb | — | Compare → |
| Advance-Rumely OilPull F 15/30 | — | 16,500 lb | — | Compare → |
Explore
Farmall siblings
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FAQ
Common questions
What engine configuration does the Farmall 666 use?
The Farmall 666 is equipped with a 6-cylinder engine.
How much does the Farmall 666 weigh?
The Farmall 666 weighs about 7,053 lb in operating condition.
What three-point hitch category does the Farmall 666 use?
The Farmall 666 has a Category Category 2 three-point hitch.
What maintenance does the Farmall 666 require?
Like any tractor, the Farmall 666 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.