Production | |
| Manufacturer: | Farmall (a part of International Harvester) |
| Type: | Standard-tread tractor |
| Factory: | Rock Island, Illinois, USA |
| Original price: | $10,700 (1969 ) |
Variants | |
| row-crop | |
| standard |
Farmall 1256 Power | |
| PTO (claimed): | 113 hp 84.3 kW |
| Drawbar (tested): | 102.03 hp 76.1 kW |
| PTO (tested): | 116.12 hp 86.6 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| 4x4 MFWD 4WD | |
| Steering: | power |
| Brakes: | independent hydraulic dry disc |
| Cab: | Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning. |
| Transmissions: | 8-speed gear |
| 16-speed partial power shift | |
Hydraulics | |
| Type: | open center |
| Valves: | 1 |
| Pump flow: | 8 gpm 30.3 lpm |
Tractor hitch | |
| Rear Type: | III/II |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
1256 Serial Numbers | |
| Location: | Serial number place on the left side of the 1256, on the clutch housing. |
| 1967: | 7501 (Farmall) |
| 1968: | 8849 (Farmall) |
| 1969: | 13140 (Farmall) |
| 1967: | 7501 (IH) |
| 1968: | 7703 (IH) |
| 1969: | 8444 (IH) |
Electrical | |
| Charging system: | alternator |
| Charging amps: | 55 |
| Batteries: | 2 |
| Battery volts: | 6 |
| Battery AH: | 204 |
Engine Detail | |
| International Harvester DT407 | |
| turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement: | 406.9 ci 6.7 L |
| Bore/Stroke: | 4.321x4.625 inches 110 x 117 mm |
| Air cleaner: | dual dry elements |
| Compression: | 17:1 |
| Rated RPM: | 2400 |
| Starter volts: | 12 |
| Oil capacity: | 15 qts 14.2 L |
| Coolant capacity: | 24 qts 22.7 L |
Dimensions | |
| Wheelbase: | 105 inches 266 cm |
| Length: | 164 inches 416 cm |
| Width: | 92 inches 233 cm |
| Height (steering wheel): | 86 inches 218 cm |