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Home / Farm Tractors / Case IH Tractors / Case IH 1594

Case IH 1594 Tractor

The Case IH 1594 utility tractor was manufactured between 1985 and 1988. The tractor is powered by AD6.55 330 cubic inches six-cylinder liquid-cooled diesel engine with a maximum output power of 97 hp (72,3 kW) and 329,1 Nm (242,8 lb-ft) of max torque at 1425 rev/min.

The Case IH 1594 is fitted with 2 types of transmission. Type 1: 12x4 synchromesh gear transmission. Type 2: Hydra-Shift transmission with 12 forward and 4 reverse gears. The maximum travel speed (forward and reverse): 19,7 mph (31,7 kph) / 11,6 mph (18,7 kph).

The open center hydraulic system includes a gear pump with fluid flow rate of 10,5 gpm (39,8 lpm). The main relief pressure is 180 bar (2600 psi). The four-wheel drive models are equipped with 14.9-24 front tyres and 16.9-38 rear tyres. The 10.00-16 front tyres and 13.6-28 rear tyres fit two wheel drive tractors. The wheelbase is 100" (2540 mm).

Engine
Engine Model Case AD6.55
Engine Type 6-cylinder, liquid-cooled diesel
Number of Cylinders Six
Displacement, cu in (L) 330 (5,40)
Engine Bore, in (mm) 3,94 (100,0)
Engine Stroke, in (mm) 4,50 (114,0)
Rated Engine Power, hp (kW) 97,0 (72,3)
Rated Engine Speed, rpm 2300
Maximum Torque, Nm (ft-lbs) 329,1 (242,8)
Torque Speed, rpm 1425
Compression 16:1
Air Cleaner Dual paper elements with pre-cleaner
Fuel Tank Capacity, gal (L) 36,0 (136,4)
Oil Capacity, qts (L) 13,3 (12,6)
Coolant Capacity, qts (L) 16,3 (15,3)
Electrical System Rating, Volts 12
Alternator Rating, Amps 45/65

Power Take-Off
Rear PTO Operational Type Independent
Rear PTO Horsepower, hp (kW) 86,0 (64,2)
Rear PTO Speeds, rpm 540/1000

Standard Transmission
Transmission Type Synchromesh
Gearbox Type 12F/4R
Number of Forward Gears 12
Number of Reverse Gears 4
Oil Capacity, qts (L) 25,9 (24,5)
Maximum Forward Speed, mph (kph) 19,7 (31,7)
Maximum Reverse Speed, mph (kph) 11,6 (18,7)

Optional Transmission
Transmission Type Hydra-Shift
Gearbox Type 12F/4R
Number of Forward Gears 12
Number of Reverse Gears 4
Oil Capacity, qts (L) 25,9 (24,5)
Maximum Forward Speed, mph (kph) 19,7 (31,7)
Maximum Reverse Speed, mph (kph) 11,6 (18,7)


Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Hydrostatic power
Service Brake Differential hydraulic wet disc
Front Tire Size (2WD) 10.00-16
Rear Tire Size (4WD) 13.6-24 / 13.6-28
Front Tire Size (2WD) 14.9-24
Rear Tire Size (4WD) 16.9-38 / 18.6-38

Hydraulic System
Hydraulic System Type Open center
Implement Pump Flow, gpm (Lpm) 10,5 (39,8)
Steering Pump Flow, gpm (Lpm) 7,7 (29,2)
Total Flow, gpm (Lpm) 20,3 (76,2)
Hydraulic Pressure, bar (psi) 179,4 (2600)
Steering Pressure, bar (psi) 127,5 (1850)
Number of Standard Remote Valves 2
3-Point Hitch Category 2
Standard Lift Capacity 24-in behind pin, lb (kg) 6290 (2855)
Standard Lift Capacity at lift pin, lb (kg) 7440 (3375)

Dimensions and Weight
Wheelbase, in (mm) 100,0 (2540)
Length, in (mm) 164,0 (4160)
Height, in (mm) 107,0 (2710)
Overall Width 78,0 (1980)
Ground Clearance (2WD), in (mm) 16,0 (400)
Ground Clearance (4WD), in (mm) 15,0 (380)
Front Tread (2WD), in (mm) 56-80 (1420-2030)
Front Tread (4WD), in (mm) 60-76 (1520-1930)
Operating Weight, lb (kg) 9295 (4220)
Ballasted Weight, lb (kg) 11215 (5085)

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