Production
| Description | Standard-tread tractor / Built in Rock Island, Illinois, USA / Original price was $10,700 in 1969 |
|---|---|
| Manufacturer | Farmall (a part of International Harvester) |
Engine
| Engine type | International Harvester 6.7L 6-cyl diesel |
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| Fuel tank | 42 gal (159.0 L) |
| Air cleaner | dual dry elements |
| Bore/Stroke | 4.321x4.625 inches (110 x 117 mm) |
| Compression | 17:1 |
| Coolant capacity | 24 qts (22.7 L) |
| Description | International Harvester DT407 / turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 406.9 ci (6.7 L) |
| Oil capacity | 15 qts (14.2 L) |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Drawbar (tested) | 102.03 hp (76.1 kW) |
| PTO (claimed) | 113 hp (84.3 kW) |
| PTO (tested) | 116.12 hp (86.6 kW) |
Transmission
| Description | The 1256's transmission provides four gears (1-4) in high, low, and reverse ranges. / 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. |
|---|---|
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse |
| Oil capacity | 68 qts (64.4 L) / 68 qts (64.4 L) |
| Transmission | Torque Amplifier |
| Type | gear / partial power shift |
| Transmission type | 8-speed gear / 16-speed partial power shift |
| Transmission type | 8-speed gear / 16-speed partial power shift |
Mechanical
| Cab | Open operator station. Two-post ROPS optional. Cab optional with heat and air-conditioning. |
|---|---|
| Description | Power steering / Independent hydraulic dry disc brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 8 gpm (30.3 lpm) |
|---|---|
| Type | open center |
| Valves | 1 |
Hitch
| Rear Type | III/II |
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PTO
| Engine RPM | 1000@2100 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 1000 |
Electrical
| Batteries | 2 |
|---|---|
| Battery AH | 204 |
| Battery volts | 6 |
| Charging amps | 55 |
| Charging system | alternator |
Dimensions & Tires
| Height (steering wheel) | 86 inches (218 cm) |
|---|---|
| Length | 164 inches (416 cm) |
| Wheelbase | 105 inches (Farmall) (266 cm) |
| Width | 92 inches (233 cm) |
| Front tire | 10.00-16 |
| Rear tire | 18.4-38 (Farmall) |
| Weight | 9940 to 11030 pounds |
| Wheelbase | 105 inches (Farmall) (266 cm) |
| Standard tires (ag) | Front: 10.00-16. Rear: 18.4-38 (Farmall) |
1256 Serial Number Location
| Description | Serial number place on the left side of the 1256, on the clutch housing. |
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1256 Serial Numbers
| 1967 | 7501 (Farmall) / 7501 (IH) |
|---|---|
| 1968 | 8849 (Farmall) / 7703 (IH) |
| 1969 | 13140 (Farmall) / 8444 (IH) |
| Description | FAQ: How to read a serial number table. |
Farmall 1256 Weight
| Ballasted | 13810 lbs (6264 kg) |
|---|---|
| Operating | 10405 lbs (4719 kg) |
| Shipping | 9940 lbs (Farmall) (4508 kg) |
Nebraska Tractor Test 971
| Description | Diesel Torque Amplifier 2WDApril 15 - 30, 1968Link: Nebraska Tractor Test 971 file / PTO performance / Drawbar performance / Gear 1H-TA used for power test. / Gear 3L-TA used for pull test. |
|---|---|
| Fuel use | 7.5 gal/hour (28.4 l/hour) / 6.8 gal/hour (25.7 l/hour) / 7.6 gal/hour (28.8 l/hour) |
| Max power | 102.03 hp (76.1 kW) |
| Max pull | 11,104 lbs (5036 kg) |
| Power at rated engine speed | 116.12 hp (86.6 kW) |
| Power at rated PTO speed | 113.33 hp (84.5 kW) |
References
| Description | Spring 1968 Buyer's Guide published by International Harvester / Summer-Fall 1968 Buyer's Guide published by International Harvester / World Wide Farm Equipment Buyer's Guide published in 1968, by International Harvester* / Spring 1969 Buyer's Guide published by International Harvester / 1256 Turbo Tractors published by International Harvester / Farm Equipment Reference Catalog published in 1968, by International Harvester / *Publication contains known errors. |
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Speeds
| Description | With 18.4-38 rear tires. / With 18.4-38 rear tires. |
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