International Harvester 1256 tractor specifications

1967 - 1969

1967 - 1969 Standard-tread tractor

Production

Production Manufacturer:International Harvester
Type:Standard-tread tractor
Factory:Rock Island, Illinois, USA
Original price:$10,700 (1969 )

Variants

Variants Farmall 1256:row-crop
IH 1256:standard

Standard-tread tractor

Production

Production
Manufacturer:	Farmall (a part of International Harvester)
Type:	Standard-tread tractor
Factory:	Rock Island, Illinois, USA
Original price:	$10,700 (1969 )

Variants

Variants
Farmall 1256:	row-crop
IH 1256:	standard

Farmall 1256 Power

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

Farmall 1256 Engine
International Harvester 6.7L 6-cyl diesel
Fuel tank:	42 gal 159.0 L
Engine details ...

Mechanical

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

Hydraulics
Type:	open center
Valves:	1
Pump flow:	8 gpm 30.3 lpm

Tractor hitch

Tractor hitch
Rear Type:	III/II

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	1000
Engine RPM:	1000@2100

Dimensions & Tires

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

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

Electrical
Charging system:	alternator
Charging amps:	55
Batteries:	2
Battery volts:	6
Battery AH:	204

International Harvester 1256 Power

International Harvester 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 ...

1967 - 1969

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.

International Harvester 1256 Engine

International Harvester 1256 Engine International Harvester 6.7L 6-cyl diesel Fuel tank:42 gal
159.0 L
Engine details ...

1967 - 1969

Standard-tread tractor

Engine Detail

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

Mechanical

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 ...

1967 - 1969

Standard-tread tractor

Transmissions overview

Transmissions overview
8-speed gear
16-speed partial power shift

Transmission

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

Speeds
With 18.4-38 rear tires.

Transmission

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

Speeds
With 18.4-38 rear tires.

Hydraulics

Hydraulics Type:open center
Valves:1
Pump flow:8 gpm
30.3 lpm

Tractor hitch

Tractor hitch Rear Type:III/II

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000
Engine RPM:1000@2100

Dimensions & Tires

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 ...

1967 - 1969

Standard-tread tractor

International Harvester 1256 Tires

International Harvester 1256 Tires
Standard tires (ag):	Front: 10.00-16. Rear: 18.4-38 (Farmall)
	Front: 11.00-16. Rear: 24.5-32 (International)

Dimensions

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

International Harvester 1256 Weight

International Harvester 1256 Weight
Shipping:	9940 lbs 4508 kg (Farmall)
	11030 lbs 5003 kg (International)
Operating:	10405 lbs 4719 kg
Ballasted:	13810 lbs 6264 kg

1256 Serial Numbers

1256 Serial Numbers Location:Serial number place on the left side of the 1256, on the clutch housing.
1967:7501 (Farmall)
1968:8849 (Farmall)
1969:13140 (Farmall)
1967:7501 (IH)
1968:7703 (IH)
1969:8444 (IH)

how to read serial numbers...