Farmall 966
The Farmall 966 is a powerful row crop tractor built for serious farm work. It has a 2-wheel drive system and power steering, making it easy to handle in the fields. The tractor comes with a sliding gear transmission that offers 16 forward gears and 8 reverse gears, giving farmers plenty of options for different tasks. Under the hood, the Farmall 966 boasts a 6-cylinder diesel engine made by International Harvester. This engine has a displacement of 414 cubic inches, which is above average for tractors. It runs at a very high 2400 RPM and produces 91 horsepower, which is enough for most farm jobs. The tractor weighs 11,116 pounds, making it sturdy and stable. It's also equipped with a Category 3 rear hitch, perfect for attaching heavy implements. With its open center hydraulic system and large agricultural tires, the Farmall 966 is ready to tackle tough farming challenges.
Quick specs
- Category
- Row Crop
- Engine Power Output
- 91hp
- Operating Weight
- 11,116 lb
- Transmission
- Sliding Gear
At a glance
How the 966 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
This model
The 966 ranks at the 19th percentile for engine power among recorded row crop tractors.
Overview
About the Farmall 966
The Farmall 966 is a powerful row crop tractor built for serious farm work. It has a 2-wheel drive system and power steering, making it easy to handle in the fields. The tractor comes with a sliding gear transmission that offers 16 forward gears and 8 reverse gears, giving farmers plenty of options for different tasks. Under the hood, the Farmall 966 boasts a 6-cylinder diesel engine made by International Harvester. This engine has a displacement of 414 cubic inches, which is above average for tractors. It runs at a very high 2400 RPM and produces 91 horsepower, which is enough for most farm jobs. The tractor weighs 11,116 pounds, making it sturdy and stable. It's also equipped with a Category 3 rear hitch, perfect for attaching heavy implements. With its open center hydraulic system and large agricultural tires, the Farmall 966 is ready to tackle tough farming challenges.
Full specifications
Every recorded spec
General
| Manufacturer | Farmall |
|---|---|
| Model | 966 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Operating weight | 11,116lb |
Engine
| Make | International Harvester |
|---|---|
| Model | D414 |
| Power | 91hp |
| Cylinders | 6 |
| Displacement | 414ci |
| Bore | 4.3in |
| Stroke | 4.75in |
Transmission
| Type | Sliding Gear |
|---|---|
| Forward gears | 16 |
| Reverse gears | 8 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Power steering |
Hydraulics
| Type | Open Center |
|---|
Dimensions
| Length | 165in |
|---|---|
| Width | 98in |
| Height | 105in |
| Operating weight | 11,116lb |
Capacities
| Cooling system | 6gal |
|---|
Head to head
966 vs. Row Crop median
How the Farmall 966 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 91 hp | 138 hp | -34% | 19th |
| Engine Displacement | 414 ci | 391 ci | +6% | 66th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 11,116 lb | 12,307 lb | -10% | 41st |
| Length | 165 in | 180 in | -8% | 30th |
| Width | 98 in | 91.2 in | +8% | 77th |
| Height | 105 in | 114 in | -7% | 26th |
Medians and percentiles are computed from the row crop tractors in our database with a recorded value for each spec (sample sizes 806–1,417 models).
Compare to tractors with similar specs
Commonly compared Farmall tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Farmall 806 | 94.09 hp | 7,720 lb | 1963–1967 | Compare → |
| Farmall 856 | 95 hp | 10,290 lb | 1967–1971 | Compare → |
| Farmall 706 | 75.56 hp | 8,700 lb | 1963–1967 | Compare → |
| Farmall 1066 | 108 hp | 12,150 lb | 1971–1976 | Compare → |
| Farmall 1206 | 110 hp | 10,115 lb | 1965–1967 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 6080 | 93 hp | 6,500 lb | 1980–1985 | Compare → |
| Antonio Carraro Mach 2 | 87 hp | 6,504 lb | — | Compare → |
| Antonio Carraro Mach 4 | 87 hp | 6,725 lb | — | Compare → |
| Antonio Carraro SRH 9800 Infinity | 87 hp | — | — | Compare → |
| Antonio Carraro SRX 10400 | 95 hp | 4,718 lb | — | Compare → |
Explore
Farmall siblings
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FAQ
Common questions
How much horsepower does the Farmall 966 have?
The Farmall 966 produces 91 hp from its 6-cylinder engine. Engine displacement is 414 ci.
What transmission is in the Farmall 966?
Transmission on the Farmall 966 is Sliding Gear, with 16 forward speeds.
What type of hydraulic system does the Farmall 966 use?
Hydraulics on the Farmall 966 are Open Center.
What hitch category is the Farmall 966?
The Farmall 966 uses a Category Category 3 hitch.
How much does the Farmall 966 weigh?
The Farmall 966 weighs about 11,116 lb in operating condition.
What maintenance does the Farmall 966 require?
Like any tractor, the Farmall 966 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.

