The International Harvester 1568 is a 2WD row-crop tractor from the 66 series. This tractor was manufactured by International Harvester from 1974 to 1976. The International Harvester 1568 is equipped with a 9.0 L (548.7 cu·in) eight-cylinder diesel engine and a partial power shift transmission with 12 forward and 6 reverse gears.
The International 1568 row-crop tractor used the International DV-550 engine. It is a 9.0 L, 8,991 cm2, (548.7 cu·in) eight-cylinder natural aspirated diesel engine with 110.0 mm (4.33 in) of the cylinder bore and 114.0 mm (4.49 in) of the piston stroke. The compression ratio rating is 16.6:1.
The IH 1568 is equipped with hydrostatic power steering, hydraulic wet disc brakes, cab (standard), and 159.0 liters (42 US gal.; 35 Imp. gal) fuel tank.
International Harvester 1568 Specifications
| General Specifications | |
| Model | International Harvester 1568 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | 2,660 mm (104.7 in) |
| Ground clearance | – |
| Weight | 5,880 kg (12,963 lbs) |
| Fuel tank capacity | 159.0 liters (42 US gal.; 35 Imp. gal) |
| Battery | 6V |
| Cabin type | Cab |
| Engine | |
| Engine model | International DV-550 |
| Engine type | Four-stroke, liquid-cooled, V |
| Cylinders | 8 |
| Fuel type | Diesel |
| Displacement | 9.0 L, 8,991 cm2, (548.7 cu·in) |
| Bore and stroke | 110.0 mm X 114.0 mm (4.33 in X 4.49 in) |
| Compression ratio | 16.6:1 |
| Horsepower | – |
| Starter | Electric |
| Coolant capacity: | 28.4 L (30 US. qt, 25 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Transmission model | |
| Transmission type | Partial power shift |
| Gears | 12 forward and 6 reverse |
| Tires | |
| Front tires | Ag: 11L-15 |
| Rear tires | Ag: 20.8-38 |
| Three-Point Hitch | |
| Category | III/II |
| Control type | – |
| Lift capacity (at ends) | – |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 1,000 rpm |
| Hydraulic system | |
| Hydraulic type | Open center |
| Valves | 1 |
| Pump flow | 12.0 gpm (45.4 lpm) |
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