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Case IH 743 XL Specifications

The Case IH 743XL is a 2WD or 4WD utility tractor. This model was manufactured from 1985 to 1989. The tractor is powered by 239 cu.in (3.9 L) IH D-239 4-stroke 4-cylinder liquid-cooled diesel engine with a rated power of 67 hp (50 kW).

The Case IH 743 XL is fitted with a two transmission options: IH-Total-synchron powershift transmission with 16 forward and 8 reverse gears, or synchromesh transmission with 8 forward and 4 reverse gears. The maximum travel speed (forward/reverse): 15.6 mph (25 km/h) and 10 mph (16.1 km/h). The open center hydraulic system has a gear pump with a rated capacity of 8.7 gpm (32.9 lpm).

The hydraulic system pressure is 175 bar (2540 psi). The 2WD models are equipped with 7.50x16 front tires and 16.9R30 rear tires. The 9.50R24 front tires and 16.9R30 rear tires are used for 4WD tractors. The wheelbase is 94.1" (2390 mm) for 2WD models and 92.5" (2340 mm) for 4WD models.

Engine Model IH D-239
Engine Type 4-stroke, 4-cylinder liquid-cooled diesel
Number of Cylinders 4
Displacement, cu in (L) 239 (3.92)
Engine Bore, in (mm) 3.87 (99.0)
Engine Stroke, in (mm) 5.06 (129.0)
Aspiration Natural
Rated Engine Power, hp (kW) 67.0 (50.0)
Rated Engine Speed, rpm 2300
Maximum Torque, Nm (ft-lbs) 235 (173)
Torque Speed, rpm 1600
Compression 15:1
Fuel System Direct injection
Fuel Tank Capacity, gal (L) 28.0 (106.0)
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

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 55.8 (41.4)
PTO Clutch Hydraulic
PTO Speeds, rpm 540/1000

Standard Transmission
Transmission Type IH-Total-synchron
Gearbox Type 16F/8R, 2-speed powershift
Number of Forward Gears 16
Number of Reverse Gears 8
Clutch Dry disc
Maximum Forward Speed, mph (kph) 18.6 (29.9)
Maximum Reverse Speed, mph (kph) 10.0 (16.1)

Optional Transmission
Transmission Type Synchromesh
Gearbox Type 8F/4R
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Dry disc
Maximum Forward Speed, mph (kph) 15.6 (25.0)
Maximum Reverse Speed, mph (kph) 10.0 (16.1)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front Steer
Steering System Hydrostatic power
Brakes Type Wet disc
Front Tire Size (2WD) 7.50x16
Rear Tire Size (2WD) 16.9R30
Front Tire Size (4WD) 9.50R24
Rear Tire Size (4WD) 16.9R30
Front Tread, in (mm) 52.9-73.1 (1340-1850)
Rear Tread, in (mm) 58-77.7 (1470-1970)

Hydraulic System
Hydraulic System Type Open Center
Implement Pump Flow, gpm (Lpm) 8.7 (32.9)
Hydraulic Capacity, gal (L) 3.2 (12.1)
Hydraulic Pressure, Bar (psi) 175 (2540)
Number of Standard Remote Valves 1/3
3-Point Hitch Category 2
Draft Sensing or Lift Control Lower link draft sensing
Standard Lift Capacity at lift pin, lb (kg) 6945 (3150)
Optional Lift Capacity at lift pin, lb (kg) 8835 (4010)

Dimensions and Weight
Wheelbase (2WD), in (mm) 94.1 (2390)
Wheelbase (4WD), in (mm) 92.5 (2340)
Length (2WD), in (mm) 153.2 (3890)
Length (4WD), in (mm) 156.3 (3970)
Height (Cab), in (mm) 104.3 (2640)
Overall Width, in (mm) 80.7 (2040)
Ground Clearance (2WD), in (mm) 18 (450)
Ground Clearance (4WD), in (mm) 14.8 (370)
Weight (2WD), lb (kg) 7630 (3460)
Weight (4WD), lb (kg) 8290 (3760)



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