Brand siblingRow CropPerformance profile
International Harvester 1566
The International Harvester 1566 is a powerful row crop tractor made from 1974 to 1976. It has a strong diesel engine with 6 cylinders and 183 horsepower, which is above average for tractors. The engine is turbocharged and liquid-cooled, helping it work hard in the fields. This tractor has a two-wheel drive system and a two-speed power shift transmission with 12 forward gears and 6 reverse gears, giving farmers lots of options for different tasks. The 1566 is a big tractor, measuring 168 inches long, 112 inches wide, and 117 inches tall. It weighs 13,200 pounds, which is about average for tractors of its size. It has a three-point hitch at the back for attaching tools and a power take-off (PTO) that spins at 1000 rpm to run equipment. The tractor has a cab for the driver, making it more comfortable to use in different weather. It also has an open center hydraulic system and an electric starter, which are helpful features for farmers.
ManufacturerInternational HarvesterPower183 hpEngine6-cylTransTwo-speed power shift
Image not recorded
Quick specs
- Category
- Row Crop
- Engine Power Output
- 183hp
- Operating Weight
- 13,200 lb
- Transmission
- Two-speed power shift
At a glance
How the 1566 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
183 hp · 71st
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The 1566 ranks at the 71st percentile for engine power among recorded row crop tractors.
Overview
About the International Harvester 1566
The International Harvester 1566 is a powerful row crop tractor made from 1974 to 1976. It has a strong diesel engine with 6 cylinders and 183 horsepower, which is above average for tractors. The engine is turbocharged and liquid-cooled, helping it work hard in the fields. This tractor has a two-wheel drive system and a two-speed power shift transmission with 12 forward gears and 6 reverse gears, giving farmers lots of options for different tasks. The 1566 is a big tractor, measuring 168 inches long, 112 inches wide, and 117 inches tall. It weighs 13,200 pounds, which is about average for tractors of its size. It has a three-point hitch at the back for attaching tools and a power take-off (PTO) that spins at 1000 rpm to run equipment. The tractor has a cab for the driver, making it more comfortable to use in different weather. It also has an open center hydraulic system and an electric starter, which are helpful features for farmers.
Full specifications
Every recorded spec
General
| Manufacturer | International Harvester |
|---|---|
| Model | 1566 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Years built | 1974–1976 |
| Operating weight | 13,200lb |
Engine
| Make | International Harvester |
|---|---|
| Model | DT-436 |
| Power | 183hp |
| Cylinders | 6 |
| Displacement | 436ci |
| Bore | 4.3in |
| Stroke | 5in |
Transmission
| Type | Two-speed power shift |
|---|---|
| Forward gears | 12 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Cab | Cab |
Hydraulics
| Type | Open center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 168in |
|---|---|
| Width | 112in |
| Height | 117in |
| Operating weight | 13,200lb |
Capacities
| Cooling system | 6.5gal |
|---|
Head to head
1566 vs. Row Crop median
How the International Harvester 1566 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 183 hp | 138 hp | +33% | 71st |
| Engine Displacement | 436 ci | 391 ci | +12% | 75th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 12 | 16 | -25% | 27th |
| Operating Weight | 13,200 lb | 12,307 lb | +7% | 57th |
| Length | 168 in | 180 in | -6% | 33rd |
| Width | 112 in | 91.2 in | +23% | 96th |
| Height | 117 in | 114 in | +3% | 63rd |
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 International Harvester tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| International Harvester 5488 | 185 hp | 17,240 lb | 1981–1985 | Compare → |
| International Harvester 1568 | 172 hp | 12,960 lb | 1974–1976 | Compare → |
| International Harvester 1586 | 160 hp | 15,124 lb | 1976–1981 | Compare → |
| International Harvester 5288 | 160 hp | 17,055 lb | 1981–1985 | Compare → |
| International Harvester 1466 | 147 hp | 13,480 lb | 1971–1976 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Agrinar T-180 | 182.5 hp | — | — | Compare → |
| Belarus 1770 | 185 hp | 19,585 lb | — | Compare → |
| Ascot Universal A1800A | 180 hp | 21,400 lb | — | Compare → |
| AGCO RT140A | 179.7 hp | 16,305 lb | — | Compare → |
| Allis Chalmers 7580 | 186.35 hp | 25,000 lb | 1977–1981 | Compare → |
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FAQ
Common questions
What years was the International Harvester 1566 manufactured?
Production of the International Harvester 1566 ran from 1974 through 1976.
What type of transmission does the International Harvester 1566 have?
The International Harvester 1566 uses a Two-speed power shift transmission offering 12 forward gears.
What hydraulics does the International Harvester 1566 have?
The International Harvester 1566 uses an Open center hydraulic system.
What three-point hitch category does the International Harvester 1566 use?
The International Harvester 1566 has a Category III/II three-point hitch.
How powerful is the International Harvester 1566?
The International Harvester 1566 has an engine power output of 183 hp. It is powered by a 6-cylinder engine displacing 436 ci.
What is the working weight of the International Harvester 1566?
The operating weight of the International Harvester 1566 is approximately 13,200 lb.
What routine service does the International Harvester 1566 need?
Regular maintenance for the International Harvester 1566 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.