International Harvester 744

The International Harvester 744 is a tractor produced by International Harvester. It is equipped with a 238.65 ci 3.9 L engine. The listed engine power is Diesel (listed): 72 hp / 53.7 kW. Transmission: Agriomatic S. Operating weight: 6590 to 7497 pounds.

Engine Power

Diesel (listed): 72 hp / 53.7 kW

Fuel & Capacities

19.6 gal 74.2 L

Transmission

Agriomatic S

Operating Weight

6590 to 7497 pounds

Overview

	1974 - 1980 Row-Crop tractor

Production
Manufacturer	International Harvester
Row-Crop tractor
Built in Neuss, Germany

International Harvester 744 Engine
International Harvester 3.9L 4-cyl diesel
Fuel tank	19.6 gal 74.2 L
Engine details ...

International Harvester 744 Power
Engine	72 hp 53.7 kW

Mechanical
Two- or four-wheel drive
Final drives	planetary
Manual steering
Open operator station.

Hydraulics
Pump flow	7.9 gpm 29.9 lpm

Tractor hitch
Rear Type	II
Control	position and draft control
Rear lift	6394 lbs 2900 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
	540/1000 OptOptional
Engine RPM	540@1920
	1000@2000

Dimensions & Tires
Wheelbase	86 inches 218 cm
Weight	6590 to 7497 pounds
Front tire	7.50-18
Rear tire	16.9-34
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	28
Battery volts	12
Battery AH	88

References

744 published in 1978, by International Harvester
744 published by International Harvester

Engine

Engine Detail — 238.65 ci / 3.9 L Diesel

Manufacturer	International Harvester D-239
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	238.65 ci 3.9 L
Bore/Stroke	3.875x5.06 inches 98 x 129 mm
Power	72 hp 53.7 kW
Fuel system	direct injection
Compression	16:1
Rated RPM	2300
Torque	169.3 lb-ft 229.6 Nm
Torque RPM	1200
Starter volts	12

Transmission

Transmission options
8-speed
12-speed partial power shift

Transmission — 8 forward and 4 reverse

Gears	8 forward and 4 reverse
With 16.9/14-30 rear tires.

Transmission — Agriomatic S

Transmission	Agriomatic S
Type	partial power shift
Gears	12 forward and 4 reverse
With 16.9/14-30 rear tires.

Dimensions

International Harvester 744 Tires
Ag front	7.50-18
	11.2-24 (MFWD)
Ag rear	16.9-34
	16.9-34 (MFWD)

Dimensions
Wheelbase	86 inches 218 cm
Length	148.6 inches 377 cm
Width	80.3 inches 203 cm
Height	69.8 inches 177 cm
2WD Weight	6590 lbs 2989 kg
4WD Weight	7497 lbs 3400 kg
Ground clearance	14.6 inches 37 cm

Photos

International Harvester 744

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 744 based on its 72 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	3 to 4 Bottom (16")3 - 4 铧 (40 cm)	Heavy Duty	Suitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing	7 to 8 ft (84-96 in)2.1 - 2.4 m	Heavy Duty	Heavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机	Heavy Duty	Silage and dry hay; 540 RPM PTO with slip-clutch.

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 744.

Estimated Continuous Field Runtime: 5.2 hrs

Approximately 5.2 hours of continuous field operation at ~75% rated power on a full tank (19.6 gal / 74.2 L).

Estimated 75% Load Fuel Burn~3.7 gal/hr (14.2 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