Standard-tread tractor |
Production | |
Manufacturer: | Farmall (a part of International Harvester) |
Type: | Standard-tread tractor |
Factory: | Rock Island, Illinois, USA |
Original price: | $10,700 (1969 ) |
Variants | |
Farmall 1256: | row-crop |
IH 1256: | 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 |
power test details ... |
Farmall 1256 Engine | |
International Harvester 6.7L 6-cyl diesel | |
Fuel tank: | 42 gal 159.0 L |
Engine details ... |
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 | |
Transmission details ... |
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 |
Engine RPM: | 1000@2100 |
Dimensions & Tires | |
Wheelbase: | 105 inches 266 cm (Farmall) |
92 inches 233 cm (International) | |
Weight: | 9940 to 11030 pounds |
Front tire: | 10.00-16 |
Rear tire: | 18.4-38 (Farmall) |
Full dimensions and tires ... |
1256 Serial Numbers | |
Location: | Serial number place on the left side of the 1256, on the clutch housing. |
photo of 1256 serial number | |
1967: | 7501 (Farmall) |
1968: | 8849 (Farmall) |
1969: | 13140 (Farmall) |
1967: | 7501 (IH) |
1968: | 7703 (IH) |
1969: | 8444 (IH) |
how to read serial numbers... |
Electrical | |
Charging system: | alternator |
Charging amps: | 55 |
Batteries: | 2 |
Battery volts: | 6 |
Battery AH: | 204 |
Standard-tread tractor |
Nebraska Tractor Test 971 | |||
|
Nebraska Tractor Test 971 | |
Diesel Torque Amplifier 2WD April 15 - 30, 1968 Link: Nebraska Tractor Test 971 file | |
PTO performance | |
Power at rated engine speed: | 116.12 hp 86.6 kW |
Fuel use: | 7.5 gal/hour 28.4 l/hour |
Power at rated PTO speed: | 113.33 hp 84.5 kW |
Fuel use: | 6.8 gal/hour 25.7 l/hour |
Drawbar performance | |
Max power: | 102.03 hp 76.1 kW |
Fuel use: | 7.6 gal/hour 28.8 l/hour |
Gear 1H-TA used for power test. | |
Max pull: | 11,104 lbs 5036 kg |
Gear 3L-TA used for pull test. |
Standard-tread tractor |
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 |
Standard-tread tractor |
Transmissions overview | |
8-speed gear | |
16-speed partial power shift |
Transmission | |
Type: | gear |
Gears: | 8 forward and 4 reverse |
Oil capacity: | 68 qts 64.4 L |
The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges. |
Speeds | |
With 18.4-38 rear tires. | |
Transmission | |
Transmission: | Torque Amplifier |
Type: | partial power shift |
Gears: | 16 forward and 8 reverse |
Oil capacity: | 68 qts 64.4 L |
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. |
Speeds | |
With 18.4-38 rear tires. | |
Standard-tread tractor |
Farmall 1256 Tires | |
Standard tires (ag): | Front: 10.00-16. Rear: 18.4-38 (Farmall) |
Front: 11.00-16. Rear: 24.5-32 (International) |
Dimensions | |
Wheelbase: | 105 inches 266 cm (Farmall) |
92 inches 233 cm (International) | |
Length: | 164 inches 416 cm |
Width: | 92 inches 233 cm |
Height (steering wheel): | 86 inches 218 cm |
Farmall 1256 Weight | |
Shipping: | 9940 lbs 4508 kg (Farmall) |
11030 lbs 5003 kg (International) | |
Operating: | 10405 lbs 4719 kg |
Ballasted: | 13810 lbs 6264 kg |