International Harvester 1568 Specs ( 1974-1976 )
Production
| Description | Row-Crop tractor / Built in Rock Island, Illinois, USA / Original price was $26,980 in 1976 / The 1568 was a 1566 with a International V8 truck engine. |
|---|---|
| Manufacturer | International Harvester |
| Total built | 862 |
Engine
| Engine type | International 9.0L 8-cyl diesel |
|---|---|
| Fuel tank | 42 gal (159.0 L) |
| Air cleaner | two-stage dry with unloader |
| Bore/Stroke | 4.312x4.50 inches (110 x 114 mm) |
| Compression | 16.6:1 |
| Coolant capacity | 30 qts (28.4 L) |
| Description | International DV-550 / diesel / 8-cylinder / liquid-cooled V-8 |
| Displacement | 548.7 ci (9.0 L) |
| Idle RPM | 900-2600 |
| Oil capacity | 16 qts (15.1 L) |
| Power (gross) | 172 hp (128.3 kW) |
| Rated RPM | 2600 |
| Starter volts | 12 |
| Drawbar (tested) | 130.17 hp (97.1 kW) |
| Engine (gross) | 172 hp (128.3 kW) |
| PTO (claimed) | 150 hp (111.9 kW) |
| PTO (tested) | 150.70 hp (112.4 kW) |
Transmission
| Gears | 12 forward and 6 reverse |
|---|---|
| Transmission | Torque Amplifier |
| Transmission type | 12-speed two-speed power shift |
| Type | two-speed power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Two-wheel drive |
| Final drives | planetary |
Hydraulics
| Front valves | 2 OptOptional |
|---|---|
| Pump flow | 12 gpm (45.4 lpm) |
| Rear valves | 1 or 2 |
| Total flow | 21 gpm (79.5 lpm) |
| Type | open center |
Hitch
| Control | draft control |
|---|---|
| Rear Type | III/II |
PTO
| Engine RPM | 1000@2300 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 1000 (1.375) |
Electrical
| Battery volts | 6 |
|---|---|
| Charging system | alternator |
Dimensions & Tires
| Clearance (drawbar) | 17 inches (43 cm) |
|---|---|
| Front tread | 52 to 86 inches (132 to 218 cm) / 56 to 80 inches (142 to 203 cm) |
| Height (cab) | 117 inches (297 cm) |
| Height (exhaust) | 128 inches (325 cm) |
| Length | 168 inches (426 cm) |
| Rear tread | 66 to 120 inches (167 to 304 cm) |
| Weight | 12,960 lbs (5878 kg) |
| Wheelbase | 105 inches (266 cm) |
| Front tire | 11L-15 |
| Rear tire | 20.8-38 |
| Weight | 12,960 lbs (5878 kg) |
| Wheelbase | 105 inches (266 cm) |
| Ag front | 11L-15 |
| Ag rear | 20.8-38 |
1568 Serial Numbers
| 1974 | 7201 |
|---|---|
| 1975 | 7821 |
| Description | FAQ: How to read a serial number table. |
Links
| Description | IH V-8 Tractor Engines: article on the V8s from TractorShop.com |
|---|
Nebraska Tractor Test 1175
| Description | Diesel 12-speed 2WDMay 3 - 15, 1975Link: Nebraska Tractor Test 1175 file / PTO performance / Drawbar performance / Gear 1-Hi-TA used for power test. |
|---|---|
| Fuel use | 10.1 gal/hour (38.2 l/hour) / 9.9 gal/hour (37.5 l/hour) / 13.0 gal/hour (49.2 l/hour) |
| Max power | 130.17 hp (97.1 kW) |
| Power at rated engine speed | 150.70 hp (112.4 kW) |
| Power at rated PTO speed | 147.79 hp (110.2 kW) |
References
| Description | Farm Equipment Reference Catalog published in 1973, by International Harvester / Farm Equipment Reference Catalog published in 1975, by International Harvester |
|---|
Speeds
| Description | With 20.8-38 rear tires. |
|---|