Farmall 1456

The Farmall 1456 is a tractor produced by Farmall. It is equipped with a 406.9 ci 6.7 L engine. The rated power output is 131.1 hp 97.8 kW. Transmission: Torque Amplifier. Drive type: 4x2 2WD. Operating weight: 12,800 lbs 5806 kg.

Overview

	1969 - 1971 56 SeriesStandard-tread tractor
1969 - 1971
56 Series
Standard-tread tractor

Series map: 1456144.4hp*1256↓ 1967-1969*Estimated engine power for comparison only.

Note: the Farmall model 1456 is the same as the International Harvester 1456. The following data is from the 1456 listing.

Production
Manufacturer	Farmall (a part of International Harvester)
Standard-tread tractor
Total built	294 (IH/wheatland)
	5,592 (Farmall/row-crop)
Original price	$12,400 (1971)

Farmall 1456 Engine
International Harvester 6.7L 6-cyl diesel
Fuel tank	42 gal 159.0 L
	40 gal (optional auxiliary tank) 151.4 L
Engine details ...

Farmall 1456 Power
PTO (claimed)	130 hp 96.9 kW
Drawbar (tested)	114.69 hp 85.5 kW
PTO (tested)	131.1 hp 97.8 kW
Performance test details ...

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

Hydraulics
Pump flow	12 gpm 45.4 lpm

Tractor hitch
Rear Type	3/2

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	105 inches 266 cm
Weight	12,800 lbs 5806 kg
Front tire	11L-15
Rear tire	18.4-38
Full dimensions and tires ...

References
Spring 1971 Buyer's Guide published by International Harvester
Farm Equipment Reference Catalog published in 1970, by International Harvester

Engine

Series map: 1456144.4hp*1256↓ 1967-1969*Estimated engine power for comparison only.

Note: the Farmall model 1456 is the same as the International Harvester 1456. The following data is from the 1456 listing.

Engine Detail — 406.9 ci / 6.7 L Diesel

Manufacturer	International Harvester DT407
Configuration	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	13 qts 12.3 L
Coolant capacity	24 qts 22.7 L

Transmission

Series map: 1456144.4hp*1256↓ 1967-1969*Estimated engine power for comparison only.

Note: the Farmall model 1456 is the same as the International Harvester 1456. The following data is from the 1456 listing.

Transmission options
8-speed
16-speed partial power shift

Transmission — gear

Transmission	gear
Gears	8 forward and 4 reverse
Oil capacity	88 qts 83.3 L
With 18.4-39 rear tires.

Transmission — Torque Amplifier

Transmission	Torque Amplifier
Type	partial power shift
Gears	16 forward and 8 reverse
Oil capacity	88 qts 83.3 L
With 18.4-39 rear tires.

Dimensions

Series map: 1456144.4hp*1256↓ 1967-1969*Estimated engine power for comparison only.

Note: the Farmall model 1456 is the same as the International Harvester 1456. The following data is from the 1456 listing.

Farmall 1456 Tires
Ag front	11L-15
Ag rear	18.4-38

Dimensions
Wheelbase	105 inches 266 cm
Length	164 inches 416 cm
Height	86 inches (steering wheel) 218 cm
Operating weight	12,800 lbs 5806 kg
Ballasted weight	17,350 lbs 7869 kg

Tests

Series map: 1456144.4hp*1256↓ 1967-1969*Estimated engine power for comparison only.

Note: the Farmall model 1456 is the same as the International Harvester 1456. The following data is from the 1456 listing.

Nebraska Tractor Test 1048
Diesel June 8 - 27, 1970
PTO performance
Power at rated engine speed	131.1 hp 97.8 kW
Fuel use	8.3 gal/hour 31.4 l/hour
Power at rated PTO speed	127.27 hp 94.9 kW
Fuel use	7.6 gal/hour 28.8 l/hour
Drawbar performance
Max power	114.69 hp 85.5 kW
Fuel use	8.5 gal/hour 32.2 l/hour

Photos

Farmall 1456 with cab.

Farmall 1456 with cab.

Farmall 1456 with cab.

Farmall 1456 with cab.

Gold Demonstrator Farmall 1456 with four-wheel drive

Open station Farmall 1456.