The International Harvester 666 is a 2WD utility tractor manufactured by International Harvester from 1972 to 1976. The
International Harvester 666 is equipped with one of two engines: a 5.1 L (312.0 cu·in) six-cylinder diesel engine or a 4.8 L (291.0 cu·in) six-cylinder gasoline engine and one of three transmissions: a sliding gear transmission with 5 forward and 1 reverse gear, hydrostatic transmission with infinite forward and reverse gears or a partial power shift transmission with 10 forward and 2 reverse gears and dry disc clutch.
The tractor could be equipped with the following engines:
- International Harvester D312. It is a 5.1 L, 5,113 cm2, (312.0 cu·in) six-cylinder natural aspirated diesel engine with 98.0 mm (3.86 in) of the cylinder bore and 112.0 mm (4.41 in) of the piston stroke. The compression ratio rating is 17.0:1.
- International Harvester C291. It is a 4.8 L, 4,767 cm2, (290.9 cu·in) six-cylinder natural aspirated gasoline engine. The cylinder bore is 95.0 mm (3.74 in) and the piston stroke is 112.0 mm (4.41 in). The compression ratio rating is 7.5:1.
The International Harvester 666 is equipped with hydrostatic power steering, dry disc brakes, open operator station, or two-post ROPS (optional).
International Harvester 666 Specifications
General Specifications | |
Model | International Harvester 666 |
Length | – |
Width | – |
Height | – |
Wheel base | 2,610 mm (102.8 in) |
Ground clearance | – |
Weight | 3,200 kg (7,055 lbs) |
Fuel tank capacity | – |
Battery | 12V |
Cabin type | Open operator station or Two-post ROPS (optional) |
Engine | |
Engine model | International Harvester D312 |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 6 |
Fuel type | Diesel |
Displacement | 5.1 L, 5,113 cm2, (312.0 cu·in) |
Bore and stroke | 98.0 mm X 112.0 mm (3.86 in X 4.41 in) |
Compression ratio | 17.0:1 |
Horsepower | – |
Starter | Electric |
Engine | |
Engine model | International Harvester C291 |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 6 |
Fuel type | Gasoline |
Displacement | 4.8 L, 4,767 cm2, (291.0 cu·in) |
Bore and stroke | 95.0 mm X 112.0 mm (3.74 in X 4.41 in) |
Compression ratio | 7.5:1 |
Horsepower | – |
Starter | Electric |
Transmission and chassis | |
Chassis | 4×2 2WD |
Steering type | Hydrostatic power |
Brakes | Dry disc |
Transmission model | – |
Transmission type | Sliding gear |
Gears | 5 forward and 1 reverse |
Transmission model | – |
Transmission type | Hydrostatic |
Gears | Infinite forward and reverse |
Transmission model | Torque-Amplifier |
Transmission type | Partial power shift with dry disc clutch |
Gears | 10 forward and 2 reverse |
Speed | Forward: 26.5 kmh (16.5 mph) Reverse: 4.8 (3 mph) |
Tires | |
Front tires | Ag: 7.50-16 |
Rear tires | Ag: 15.5-38 |
Three-Point Hitch | |
Category | II |
Control type | – |
Lift capacity (at ends) | – |
PTO (Power take-off shaft) | |
Rear PTO type | Independent |
Rear PTO speed | 540 rpm |