Tractor · 1967Unverified
Farmall 1256
Farmall 1256 — 56 Series · 116 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
116 hp
Max power
76.1 kW
Weight
9940 to 11030 pounds
Hover a source tag to verify
Overview
ManufacturerFarmall (a part of International Harvester)Reference
Standard-tread tractorReference
Built in Rock Island, Illinois, USAReference
Original price was $10,700 in 1969Reference
Two- or four-wheel driveReference
Power steeringReference
Independent hydraulic dry disc brakesReference
Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning.Reference
Engine
International Harvester 6.7L 6-cyl dieselReference
Fuel tank159.0 LReference
Drawbar (tested)76.1 kWReference
International Harvester DT407Reference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement6.7 LReference
Bore/Stroke110 x 117 mmReference
Air cleanerdual dry elementsReference
Compression17:1Reference
Rated RPM2400Reference
Starter volts12Reference
Oil capacity14.2 LReference
Coolant capacity22.7 LReference
Power at rated engine speed86.6 kWReference
Max power76.1 kWReference
Transmission
8-speed gearReference
16-speed partial power shiftReference
TypegearReference
Gears8 forward and 4 reverseReference
Oil capacity64.4 LReference
The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges.Reference
TransmissionTorque AmplifierReference
Typepartial power shiftReference
Gears16 forward and 8 reverseReference
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.Reference
PTO & Hydraulics
PTO (claimed)84.3 kWReference
PTO (tested)86.6 kWReference
Typeopen centerReference
Valves1Reference
Pump flow30.3 lpmReference
Rear TypeIII/IIReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Engine RPM1000@2100Reference
Power at rated PTO speed84.5 kWReference
Dimensions
Wheelbase266 cmReference
Wheelbase233 cmReference
Weight9940 to 11030 poundsReference
Front tire10.00-16Reference
Rear tire18.4-38 (Farmall)Reference
Standard tires (ag)Front: 10.00-16. Rear: 18.4-38 (Farmall)Reference
Standard tires (ag)Front: 11.00-16. Rear: 24.5-32 (International)Reference
Length416 cmReference
Width233 cmReference
Height (steering wheel)218 cmReference
Shipping4508 kgReference
Shipping5003 kgReference
Operating4719 kgReference
Ballasted6264 kgReference
1256 Serial Number Location
Serial number place on the left side of the 1256, on the clutch housing.Reference
1256 Serial Numbers
19677501 (Farmall)Reference
19688849 (Farmall)Reference
196913140 (Farmall)Reference
19677501 (IH)Reference
19687703 (IH)Reference
19698444 (IH)Reference
FAQ: How to read a serial number table.Reference
Electrical
Charging systemalternatorReference
Charging amps55Reference
Batteries2Reference
Battery volts6Reference
Battery AH204Reference
Test results
Diesel Torque Amplifier 2WDApril 15 - 30, 1968Link: Nebraska Tractor Test 971 fileReference
PTO performanceReference
Fuel use28.4 l/hourReference
Fuel use25.7 l/hourReference
Drawbar performanceReference
Fuel use28.8 l/hourReference
Gear 1H-TA used for power test.Reference
Max pull5036 kgReference
Gear 3L-TA used for pull test.Reference
Speeds
With 18.4-38 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.