Specifications, Service and Repair of Farm and Lawn Tractors

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International Harvester 744 Technical Data

International 744 Engine

Engine Model ................. International Harvester D-239
Engine Type ................. 4-stroke, 4-cylinder liquid-cooled diesel
Number of Cylinders ................. 4
Displacement, cu in (L) ................. 238.7 (3.90)
Engine Bore, in (mm) ................. 3.87 (98.0)
Engine Stroke, in (mm) ................. 5.06 (129.0)
Aspiration ................. Natural
Rated Engine Power, hp (kW) ................. 70.0 (52.2)
Rated Engine Speed, rpm ................. 2300
Maximum Torque, Nm (ft-lbs) ................. 230 (170.4)
Torque Speed, rpm ................. 1200
Compression ................. 16:1
Fuel System ................. Direct injection
Fuel Tank Capacity, gal (L) ................. 19.6 (74.2)
Oil Capacity, qts (L) ................. 9.5 (9.0)
Coolant Capacity, qts (L) ................. 18.5 (17.5)
Electrical System Rating, Volts ................. 12
Charging System ................. Alternator
Alternator Rating, Amps ................. 55

IH 744 Power Take-Off

PTO Operational Type ................. Live
PTO Horsepower, hp (kW) ................. 62.5 (46.3)
PTO Clutch ................. Hydraulic
PTO Speeds, rpm ................. 540/1000

Transmission Configuration

Transmission Type ................. Gear
Gearbox Type ................. 8F/4R
Number of Forward Gears ................. 8
Number of Reverse Gears ................. 4
Clutch ................. Dry disc
Clutch Disc Diameter, in (mm) ................. 11 (280)
Maximum Forward Speed, mph (kph) ................. 18.6 (29.9)
Maximum Reverse Speed, mph (kph) ................. 10.8 (17.3)

IH 744 Wheels and Tires

Drive Wheels ................. 2WD/4WD
Steering Configuration ................. Front Steer
Steering System ................. Hydrostatic power
Brakes Type ................. Hydraulic wet disc
Front Tire Size (2WD) ................. 7.50x18
Rear Tire Size (2WD) ................. 16.9x34
Front Tire Size (4WD) ................. 11.2x24
Rear Tire Size (4WD) ................. 16.9x34
Front Tread, in (mm) ................. 52.9-71.8 (1340-1820)
Rear Tread, in (mm) ................. 62.2-78 (1570-1980)

International 744 Hydraulics and Hitch

Hydraulic System Type ................. Open Center
Implement Pump Flow, gpm (Lpm) ................. 7.9 (29.9)
Hydraulic Capacity, gal (L) ................. 3.2 (12.1)
Hydraulic Pressure, Bar (psi) ................. 167 (2450)
Number of Standard Remote Valves ................. 2
3-Point Hitch Category ................. 1/2
Standard Lift Capacity at lift pin, lb (kg) ................. 6395 (2900)

Dimensions and Weight

Wheelbase (2WD), in (mm) ................. 87.8 (2230)
Wheelbase (4WD), in (mm) ................. 86.6 (2190)
Length, in (mm) ................. 138.6 (3510)
Height (Cab), in (mm) ................. 100.8 (2550)
Ground Clearance, in (mm) ................. 19.1 (480)
Turning Radius (2WD), in (mm) ................. 164 (4150)
Turning Radius (4WD), in (mm) ................. 188 (4750)
Weight (2WD), lb (kg) ................. 6775 (3080)
Weight (4WD), lb (kg) ................. 7500 (3410)

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INTERNATIONAL TRACTORS SPECIFICATIONS

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FARMALL TRACTORS SPECIFICATIONS

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