International Harvester 1256
Production ended · 2WD or 4WD
PTO power · claimed
113 hp
- Weight
- 10,405 lb
- Engines
- 1 Diesel
- Built
- no record
- Price new · 1969
- $10,700
Power
| Engine | no record |
|---|---|
| PTO | 113 hp claimed |
| PTO, tested | 116.1 hp |
| Drawbar | 102 hp tested |
| Listed power | 125 hp PTO basis |
Engines
| International Harvester 6.7L 6-cyl dieselDiesel · 6 cyl | 407 ci |
|---|
Engine details
- International Harvester 6.7L 6-cyl diesel
- Bore × stroke
- 4.32 in × 4.63 in
- Rated speed
- 2,400 rpm
- Compression
- 17:1
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled
Transmissions
| 8-speed geargear | 8F / 4R |
|---|---|
| Torque Amplifierpartial power shift | 16F / 8R |
Transmission notes
8-speed gear: The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges.
Torque Amplifier: Four gears (1-4) in two ranges (low/high) plus reverse range. The Torque Amplifier (TA) allows a clutchless shift from direct drive (DD) to the lower TA speed in all gears and ranges.
Weight
| Weight | 10,405 lb operating |
|---|---|
| Shipping | 9,940 lb |
| Ballasted | 13,810 lb |
Dimensions
| Wheelbase | 105 in |
|---|---|
| Length | 164 in |
| Width | 92 in |
Capacities
| Fuel tank | 42 gal |
|---|
Hydraulics
| System | open center |
|---|---|
| Pump flow | 8 gpm |
| Remote valves | 1 |
Hitch
| Rear hitch category | III/II |
|---|---|
| Rear lift capacity | no record |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO speeds | 1000 |
| Engine rpm at PTO speed | 1000@2100 |
Chassis
| Drive | 2WD/4WD |
|---|---|
| Steering | Power steering |
| Brakes | Independent hydraulic dry disc brakes |
| Cab | Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning |
Tires
| Front | 10.00-16 |
|---|---|
| Rear | 18.4-38 (Farmall) |
Electrical
| System voltage | 6 V |
|---|---|
| Batteries | 2 |
| Battery capacity | 204 Ah |
| Charging | alternator |
| Charging output | 55 A |
Production
| Price new | $10,700 (1969) |
|---|---|
| Factories | Rock Island, Illinois, USA |
| Built by | International Harvester |
Variants
- Farmall 1256 row-crop
- IH 1256 standard
Serial numbers
Serial number place on the left side of the 1256, on the clutch housing.
| Year | First serial |
|---|---|
| 1967 | 7501 (Farmall) |
| 1968 | 8849 (Farmall) |
| 1969 | 13140 (Farmall) |
| 1967 | 7501 (IH) |
| 1968 | 7703 (IH) |
| 1969 | 8444 (IH) |
Literature
- Spring 1968 Buyer's Guide International Harvester
- Summer-Fall 1968 Buyer's Guide International Harvester
- World Wide Farm Equipment Buyer's Guide International Harvester*, 1968
- Spring 1969 Buyer's Guide International Harvester
- 1256 Turbo Tractors International Harvester
- Farm Equipment Reference Catalog International Harvester, 1970
- *Publication contains known errors.