Farmall

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
Typeturbocharged diesel
ModelInternational Harvester DT407
Coolingliquid-cooled
Cylinders6-cylinder
Fuel tank42 gal (159.0 L)
Rated RPM2400
Air cleanerdual dry elements
Bore/Stroke4.321x4.625 inches (110 x 117 mm)
Compression17:1
Displacement406.9 ci (6.7 L)
Oil capacity15 qts (14.2 L)
Starter volts12
Coolant capacity24 qts (22.7 L)
Electrical
Batteries2
Battery AH204
Battery volts6
Charging amps55
Charging systemalternator
Hydraulics
Typeopen center
Valves1
Pump flow8 gpm (30.3 lpm)
Mechanical
DriveTwo- or four-wheel drive
BrakesIndependent hydraulic dry disc brakes
SteeringPower steering
Operator stationOpen operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning.
Production
TypeStandard-tread tractor
Series56 Series
Built inRock Island, Illinois, USA
Years made1967 - 1969
Original price$10,700 in 1969
Transmission
Options8-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 TypeIII/II
Dimensions & Tires
Width92 inches (233 cm)
Length164 inches (416 cm)
Weight9940 to 11030 pounds
Wheelbase105 inches (Farmall) (266 cm), 92 inches (International) (233 cm)
Shipping weight9940 lbs (Farmall) (4508 kg), 11030 lbs (International) (5003 kg)
Ballasted weight13810 lbs (6264 kg)
Operating weight10405 lbs (4719 kg)
International tiresFront: 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 PTOindependent
Engine RPM1000@2100
Rear PTO Type1000