International Harvester 1456

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

Engine Power

131.1 hp 97.8 kW

Drive & Traction

4x2 2WD

Fuel & Capacities

42 gal 159.0 L

Transmission

Torque Amplifier

Operating Weight

12,800 lbs 5806 kg

Overview

	1969 - 1971 Standard-tread tractor

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

Variants
IH 1456	standard-tread
Farmall 1456	row-crop

International Harvester 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 ...

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

Engine

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

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

International Harvester 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

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

International Harvester 1456 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 1456 based on its 131.1 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm)	Heavy Duty	Heavy primary tillage; semi-mounted hitch recommended.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester 1456.

Estimated Continuous Field Runtime: 6.2 hrs

Approximately 6.2 hours of continuous field operation at ~75% rated power on a full tank (42 gal / 159 L).

Estimated 75% Load Fuel Burn~6.8 gal/hr (25.8 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours