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Years in Production / 1969–1971
International Harvester
1456
Explore the specifications, hardware, and original references for the International Harvester 1456.

No photo
144hp
Engine estimate · from PTO
MFWD Optional
Drive
1969–1971
Production years
International Harvester
Manufacturer
1456 / 01
At a glance
Overview
1969 - 1971
Standard-tread tractor
Production
Standard-tread tractor
- Manufacturer
- International Harvester
- Total Built
- 294 (IH/wheatland)
- Total Built
- 5,592 (Farmall/row-crop)
- Original Price
- $12,400 (1971)
Mechanical
Independent hydraulic dry disc brakes
Cab optional with heat and A/C
- Drive
- 4x2 2WD
- Drive
- 4x4 MFWD 4WD optional
- Steering
- hydrostatic power
Hydraulics
- Pump Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- 3/2
Pto
- Rear Pto
- independent
- Rear Type
- 1000
1456 / 02
Under the hood
Engine Detail
International Harvester DT407
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 406.9 ci6.7 L
- Bore Stroke
- 4.321x4.625 inches110 x 117 mm
- Air Cleaner
- dual dry elements
- Compression Ratio
- 17:1
- Rated Rpm
- 2400
- Starter Volts
- 12
- Oil Capacity
- 13 qts12.3 L
- Coolant Capacity
- 24 qts22.7 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 6.7L 6-cyl diesel
- Fuel Tank
- 42 gal159.0 L
- Fuel Tank
- 40 gal (optional auxiliary tank)151.4 L
1456 / 03
Gears & controls
Transmission (Option 1)
- Transmission
- gear
- Gears
- 8 forward and 4 reverse
- Oil Capacity
- 88 qts83.3 L
- Speeds Description
- With 18.4-39 rear tires.
Transmission (Option 2)
- Transmission
- Torque Amplifier
- Transmission Type
- partial power shift
- Gears
- 16 forward and 8 reverse
- Oil Capacity
- 88 qts83.3 L
- Speeds Description
- With 18.4-39 rear tires.
Transmission Options
8-speed
16-speed partial power shift
1456 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 105 inches266 cm
- Weight
- 12,800 lbs5806 kg
- Front Tire
- 11L-15
- Rear Tire
- 18.4-38
Tires And Tracks
- Front Ag
- 11L-15
- Rear Ag
- 18.4-38
See it in action
Videos
Watch International Harvester 1456 videos from their original YouTube creators.
1456 / 06
Tests (NTTL)
Nebraska Tractor Test 1048
Diesel June 8 - 27, 1970
PTO performance
Drawbar performance
- Id
- 1048
- Power At Rated Engine Speed
- 131.1 hp97.8 kW
- Fuel Use
- 8.3 gal/hour31.4 l/hour
- Fuel Use
- 7.6 gal/hour28.8 l/hour
- Fuel Use
- 8.5 gal/hour32.2 l/hour
- Power At Rated Pto Speed
- 127.27 hp94.9 kW
- Max Power
- 114.69 hp85.5 kW