Farmall 1256

Note: the Farmall model 1256 is the same as the International Harvester 1256. The following data is from the 1256 listing. Production years: 1967 - 1969 Previous model: International Harvester 1206 Tractor type: Farm/Agricultural tractor

General tractor information:
	Manufacturer:	Farmall
	Model:	1256
	Type:	Farm/Agricultural tractor
	Total built:	-unknown-
	Factory:	-unknown-
	Original price:	$10,700 (1969)
Tractor power:
	Drawbar (max):	102.03 hp [76.1 kW]
	PTO (rated):	116.12 hp [86.6 kW]
Engine:
	Manufacturer:	International Harvester
	Model:	DT407
	Fuel:	diesel
	Aspiration:	turbocharged
	Cylinders:	6
	Bore/Stroke:	4.321x4.625 inches [110 x 117 mm]
	Displacement:	406.9 ci [6.7 L]
	Compression:	17:1
	Rated RPMs:	2400
	Cooling:	liquid
	Coolant:	24 qts [22.7 L]
	Torque:	-unknown-
	Firing order:	-unknown-
	Oil capacity:	15 qts [14.2 L]
Transmission:
	Type:	gear
	Forward:	8
	Reverse:	4
	Capacity:	68 qts [64.4 L]
	Comments:	The 1256's transmission provides four gears in high, low, and reverse ranges.
	Speeds:	With 18.4-38 rear tires. Gear 2400 rpm Lo-1 1.75mph [2.8kph] Lo-2 2.5mph [4.0kph] Lo-3 4.1mph [6.6kph] Lo-4 5.5mph [8.8kph] Hi-1 6.25mph [10.1kph] Hi-2 8.5mph [13.7kph] Hi-3 14.25mph [22.9kph] Hi-4 19.5mph [31.4kph] R1 3mph [4.8kph] R2 4.25mph [6.8kph] R3 7.25mph [11.7kph] R4 9.5mph [15.3kph]
Transmission:
	Type:	Torque Amplifier
	Forward:	16
	Reverse:	8
	Capacity:	68 qts [64.4 L]
	Comments:	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. Gear 2400 rpm L1-TA 1.5mph [2.4kph] L1-DD 1.75mph [2.8kph] L2-TA 2mph [3.2kph] L2-DD 2.5mph [4.0kph] L3-TA 3.25mph [5.2kph] L3-DD 4.1mph [6.6kph] L4-TA 4.4mph [7.1kph] L4-DD 5.5mph [8.8kph] H1-TA 5mph [8.0kph] H1-DD 6.25mph [10.1kph] H2-TA 5.5mph [8.8kph] H2-DD 8.5mph [13.7kph] H3-TA 11.5mph [18.5kph] H3-DD 14.25mph [22.9kph] H4-TA 15.25mph [24.5kph] H4-DD 19.5mph [31.4kph] R1-TA 2.5mph [4.0kph] R1-DD 3mph [4.8kph] R2-TA 3.25mph [5.2kph] R2-DD 4.25mph [6.8kph] R3-TA 5.5mph [8.8kph] R3-DD 7.25mph [11.7kph] R4-TA 7.5mph [12.1kph] R4-DD 9.5mph [15.3kph]
Mechanical:
	Chassis:	4x2 2WD 4x4 MFWD 4WD optional
	Steering:	hydrostatic power
	Brakes:	independent hydraulic dry disc
	Cab:	Cab optional with heat and A/C
Capacity:
	Fuel:	42 gal [158 L]
3-Point Hitch:
	Rear Hitch Category:	3/2
	Rear lift:	-unknown-
Power Take-off (PTO):
	Rear PTO:	independent
	Rear speed (RPM):	1000
Hydraulics:
	Type:	open
	Capacity:	-unknown-
	Total flow:	-unknown-
	Valve flow:	8 gpm [30.3 lpm]
	Pressure:	-unknown-
	Valves:	1
Tires:
	Ag front:	10.00-16
	Ag rear:	18.4-38
Dimensions:
	Weight (shipping):	9,940 lbs [4508 kg]
	Weight (operating):	10,405 lbs [4719 kg]
	Weight (ballasted):	13,810 lbs [6264 kg]
	Wheelbase:	105 inches [266 cm]
	Length:	164 inches [416 cm]
	Width:	92 inches [233 cm]
	Height:	86 inches [218 cm] (steering wheel)
	Ground clearance:	-unknown-
	2WD turn circle:	13 feet [4.0 m]
Electrical:
	Amps:	55
Battery:
	Number:	2
	Ampere-hours (ah):	204
	Volts:	6
Nebraska Tractor Test 971:
	Test Date:	April 15 - 30, 1968
	Engine:	diesel
	PTO (rated eng speed):	116.12 hp [86.6 kW]
	PTO fuel use (rated):	15.55 hh/g [3.1 kWh/l]
	Drawbar (max):	102.03 hp [76.1 kW]
1256 Serial Numbers:
Location: Clutch housing, right side
1967: 7501 (Farmall)
1968: 8849 (Farmall)
1969: 13140 (Farmall)
1967: 7501 (IH)
1968: 7703 (IH)
1969: 8444 (IH)
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Last updated on November 1, 2009