Row CropPerformance profile
International Harvester 1066
The International Harvester 1066 is a powerful row crop tractor built from 1971 to 1976. It's a 2WD machine with a strong 6-cylinder diesel engine. This engine, made by International Harvester, has 414 cubic inches of displacement and can produce 108 horsepower. It's turbocharged and liquid-cooled, which helps it run smoothly in tough conditions. The 1066 has a gear-type transmission with 8 forward gears and 4 reverse gears. This gives farmers lots of options for different tasks. It has a three-point hitch at the back that can lift up to 5,601 pounds, which is about average for tractors like this. The tractor weighs 12,148 pounds and is 165 inches long and 97.6 inches wide. It has both 540 and 1000 rpm PTO speeds, making it versatile for various farm implements. The open operator station gives the driver a clear view of the fields.
ManufacturerInternational HarvesterPower108 hpEngine6-cylTransGear type with dry disc clutch
Quick specs
- Category
- Row Crop
- Engine Power Output
- 108hp
- Operating Weight
- 12,148 lb
- Transmission
- Gear type with dry disc clutch
At a glance
How the 1066 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
108 hp · 30th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The 1066 ranks at the 30th percentile for engine power among recorded row crop tractors.
Overview
About the International Harvester 1066
The International Harvester 1066 is a powerful row crop tractor built from 1971 to 1976. It's a 2WD machine with a strong 6-cylinder diesel engine. This engine, made by International Harvester, has 414 cubic inches of displacement and can produce 108 horsepower. It's turbocharged and liquid-cooled, which helps it run smoothly in tough conditions. The 1066 has a gear-type transmission with 8 forward gears and 4 reverse gears. This gives farmers lots of options for different tasks. It has a three-point hitch at the back that can lift up to 5,601 pounds, which is about average for tractors like this. The tractor weighs 12,148 pounds and is 165 inches long and 97.6 inches wide. It has both 540 and 1000 rpm PTO speeds, making it versatile for various farm implements. The open operator station gives the driver a clear view of the fields.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 1066 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Years built | 1971–1976 |
| Operating weight | 12,148lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DT414 |
| Power | 108hp |
| Cylinders | 6 |
| Displacement | 414ci |
| Bore | 4.29in |
| Stroke | 4.76in |
Transmission
| Type | Gear type with dry disc clutch |
|---|---|
| Forward gears | 8 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Hydrostatic power |
| Brakes | Double dry disc, hydrostatic power self-adjusting |
| Cab | Open operator station |
Hydraulics
| Type | Open center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 165in |
|---|---|
| Width | 97.6in |
| Operating weight | 12,148lb |
Capacities
| Cooling system | 6.26gal |
|---|
Head to head
1066 vs. Row Crop median
How the International Harvester 1066 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 108 hp | 138 hp | -22% | 30th |
| Engine Displacement | 414 ci | 391 ci | +6% | 66th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 8 | 16 | -50% | 16th |
| Operating Weight | 12,148 lb | 12,307 lb | -1% | 50th |
| Length | 165 in | 180 in | -8% | 30th |
| Width | 97.6 in | 91.2 in | +7% | 75th |
| 3-Point Hitch Capacity | 5,601 lb | 11,023 lb | -49% | 12th |
Medians and percentiles are computed from the row crop tractors in our database with a recorded value for each spec (sample sizes 279–1,417 models).
Compare to tractors with similar specs
Commonly compared International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 1046 | 108.5 hp | 8,929 lb | — | Compare → |
| International Harvester 1206 | 110 hp | 10,115 lb | 1965–1967 | Compare → |
| International Harvester 3688 | 113 hp | 13,200 lb | 1981–1985 | Compare → |
| International Harvester 1055 | 100 hp | 9,635 lb | — | Compare → |
| International Harvester A-866 | 121 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO LT90A | 110 hp | 8,820 lb | — | Compare → |
| Agrinar T-110 | 110 hp | — | — | Compare → |
| Allis Chalmers HD11 | 110 hp | 21,000 lb | 1955–1965 | Compare → |
| Apollo 1104 | 110 hp | 10,710 lb | — | Compare → |
| AGCO LT85A | 110.1 hp | 10,605 lb | — | Compare → |
Explore
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Gallery
International Harvester 1066 photos
FAQ
Common questions
When was the International Harvester 1066 in production?
International Harvester 1066 production started in 1971 and ended in 1976.
What transmission is in the International Harvester 1066?
Transmission on the International Harvester 1066 is Gear type with dry disc clutch, with 8 forward speeds.
What type of hydraulic system does the International Harvester 1066 use?
Hydraulics on the International Harvester 1066 are Open center.
What hitch category is the International Harvester 1066?
The International Harvester 1066 uses a Category III/II hitch with a lift capacity of 5,601 lb.
How much horsepower does the International Harvester 1066 have?
The International Harvester 1066 produces 108 hp from its 6-cylinder engine. Engine displacement is 414 ci.
How much does the International Harvester 1066 weigh?
The International Harvester 1066 weighs about 12,148 lb in operating condition.
What maintenance does the International Harvester 1066 require?
Like any tractor, the International Harvester 1066 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.