Farmall 1256
The Farmall 1256 is a standard-tread tractor produced from 1967 to 1969 as part of the 56 Series by Farmall, a division of International Harvester. It was built in Rock Island, Illinois, USA. The tractor features an International Harvester DT407 turbocharged 6-cylinder diesel engine with 6.7L displacement, delivering an estimated 125.6 hp. It offers two transmission options: an 8-speed gear and a 16-speed partial power shift with Torque Amplifier. The tractor supports two- or four-wheel drive, power steering, and independent hydraulic dry disc brakes. The operator station is open with optional two-post ROPS or cab with heat and air-conditioning. It has an open center hydraulic system with 8 gpm pump flow and a rear hitch of type III/II. The rear PTO is independent with a 1000 RPM type. Dimensions include a 105-inch wheelbase (Farmall), 164-inch length, and 92-inch width. Weight ranges from 9940 to 11030 pounds depending on configuration. Electrical system includes a 55 amp alternator and two 6-volt batteries. The 1256 is related to the Farmall 1456 and 1206 models.
Power125 hp[P]
Founded1967 - 1969
Model1256
Technical Specifications
Detailed specifications and technical data for Farmall 1256
Power
| PTO (tested) | 116.12 hp (86.6 kW) |
|---|---|
| PTO (claimed) | 113 hp (84.3 kW) |
| Drawbar (tested) | 102.03 hp (76.1 kW) |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | International Harvester DT407 |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 42 gal (159.0 L) |
| Rated RPM | 2400 |
| Air cleaner | dual dry elements |
| Bore/Stroke | 4.321x4.625 inches (110 x 117 mm) |
| Compression | 17:1 |
| Displacement | 406.9 ci (6.7 L) |
| Oil capacity | 15 qts (14.2 L) |
| Starter volts | 12 |
| Coolant capacity | 24 qts (22.7 L) |
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 204 |
| Battery volts | 6 |
| Charging amps | 55 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 1 |
| Pump flow | 8 gpm (30.3 lpm) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Independent hydraulic dry disc brakes |
| Steering | Power steering |
| Operator station | Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning. |
Production
| Type | Standard-tread tractor |
|---|---|
| Series | 56 Series |
| Built in | Rock Island, Illinois, USA |
| Years made | 1967 - 1969 |
| Original price | $10,700 in 1969 |
Transmission
| Options | 8-speed gear, 16-speed partial power shift |
|---|---|
| Type (gear) | gear |
| Gears (gear) | 8 forward and 4 reverse |
| Description (gear) | The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges. |
| Oil capacity (gear) | 68 qts (64.4 L) |
| Type (partial power shift) | partial power shift |
| Gears (partial power shift) | 16 forward and 8 reverse |
| Description (partial power shift) | 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. |
| Oil capacity (partial power shift) | 68 qts (64.4 L) |
Tractor hitch
| Rear Type | III/II |
|---|
Dimensions & Tires
| Width | 92 inches (233 cm) |
|---|---|
| Length | 164 inches (416 cm) |
| Weight | 9940 to 11030 pounds |
| Wheelbase | 105 inches (Farmall) (266 cm), 92 inches (International) (233 cm) |
| Shipping weight | 9940 lbs (Farmall) (4508 kg), 11030 lbs (International) (5003 kg) |
| Ballasted weight | 13810 lbs (6264 kg) |
| Operating weight | 10405 lbs (4719 kg) |
| International tires | Front: 11.00-16. Rear: 24.5-32 (International) |
| Standard tires (ag) | Front: 10.00-16. Rear: 18.4-38 (Farmall) |
| Height (steering wheel) | 86 inches (218 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 1000@2100 |
| Rear PTO Type | 1000 |
