International Harvester

International Harvester 1456

The International Harvester 1456 is a standard-tread tractor produced from 1969 to 1971. It features a turbocharged 6-cylinder 6.7L diesel engine with an estimated 144.4 hp. The tractor offers 8-speed and 16-speed partial power shift transmissions, hydrostatic power steering, and optional 4WD. It has a wheelbase of 105 inches and weighs 12,800 lbs operating weight. The 1456 was available in standard-tread and row-crop variants and had a rear independent PTO with 1000 rpm type.

Power144 hp[P]

Founded1969 - 1971

Model1456

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Technical Specifications

Detailed specifications and technical data for International Harvester 1456

Power

PTO (tested)	131.1 hp (97.8 kW)
PTO (claimed)	130 hp (96.9 kW)
Drawbar (tested)	114.69 hp (85.5 kW)

Engine

Type	turbocharged diesel
Model	International Harvester DT407
Cooling	liquid-cooled
Cylinders	6-cylinder
Fuel tank	42 gal (159.0 L), 40 gal (optional auxiliary tank) (151.4 L)
Rated RPM	2400
Air cleaner	dual dry elements
Bore/Stroke	4.321x4.625 inches (110 x 117 mm)
Compression	17:1
Displacement	406.9 ci (6.7 L)
Oil capacity	13 qts (12.3 L)
Starter volts	12
Coolant capacity	24 qts (22.7 L)

Variants

IH 1456	standard-tread
Farmall 1456	row-crop

Hydraulics

Pump flow	12 gpm (45.4 lpm)

Mechanical

Cab	optional with heat and A/C
Drive	4x2 2WD, 4x4 MFWD 4WD optional
Brakes	Independent hydraulic dry disc brakes
Steering	hydrostatic power

Production

Type	Standard-tread tractor
Total built	294 (IH/wheatland), 5,592 (Farmall/row-crop)
Original price	$12,400 (1971)
Years produced	1969 - 1971

Transmission

Type	gear
Gears	8 forward and 4 reverse
Options	8-speed, 16-speed partial power shift
Oil capacity	88 qts (83.3 L)
Torque Amplifier	partial power shift, 16 forward and 8 reverse, 88 qts (83.3 L) oil capacity

Tractor hitch

Rear Type	3/2

Serial Numbers

Location	Clutch housing, right side
1969 (IH)	1001
1970 (IH)	10025
1971 (IH)	10249
1969 (Farmall)	10001
1970 (Farmall)	10405
1971 (Farmall)	14149

Dimensions & Tires

Height	86 inches (steering wheel) (218 cm)
Length	164 inches (416 cm)
Rear tire	18.4-38
Wheelbase	105 inches (266 cm)
Front tire	11L-15
Ballasted weight	17,350 lbs (7869 kg)
Operating weight	12,800 lbs (5806 kg)