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Home / Farm Tractors / International Harvester Tractors / IH 1066

International Harvester 1066

The International Harvester 1066 is a 66-series row crop tractor. This model was manufactured between 1971 and 1976. The IH 1066 tractor is powered by International Harvester DT-414 four-stroke six-cylinder turbocharged diesel engine with a maximum power of 140 hp (103.7 kW) at 2600 rpm.

The International Harvester 1066 fitted with 3 transmission options: 8-speed range sliding gear transmission, 2-speed range hydrostatic transmission, or Torque Amplifier partial powershift transmission with 16 forward and 8 reverse gears. Max. travel speed (forward/reverse): 20.3 mph (32.6 kph) and 10 mph (16.1 kph).

The open center hydraulic system includes a gear pump with fluid flow rate of 12 gpm (45.4 lpm). The hydraulic pressure is 2000 psi (138 bar). The tractor is fitted with 11L-15 front tires and 18.4-34 rear tires. The wheelbase is 105 in (2655 mm).

Engine
Engine Model International Harvester DT-414
Engine Type 4-stroke, six-cylinder turbocharged diesel
Number of Cylinders 6
Displacement, cu in (L) 414 (6.80)
Engine Bore, in (mm) 4.30 (109.0)
Engine Stroke, in (mm) 4.75 (121.0)
Aspiration Turbocharged
Rated Engine Power, hp (kW) 140.0 (103.7)
Rated Engine Speed, rpm 2600
Compression 16:1
Firing Order 1-5-3-6-2-4
Fuel System Direct injection
Air Cleaner Dual dry elements
Fuel Tank Capacity, gal (L) 42.0 (159.0)
Oil Capacity, qts (L) 18.0 (17.0)
Coolant Capacity, qts (L) 25.0 (23.7)
Electrical System Rating, Volts 12
Charging System Alternator

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 126.0 (94.0)
PTO Clutch Type Dry disc
PTO Speeds, rpm 540/1000
PTO / Engine Speed, rpm 540/2100
PTO / Engine Speed, rpm 1000/2100

Standard Transmission
Transmission Type Sliding gear
Gearbox Type 8F/4R
Number of Forward Gears 8
Number of Reverse Gears 4
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 20.3 (32.6)
Maximum Reverse Speed, mph (kph) 10.0 (16.1)

Optional Transmission
Transmission Type Torque Amplifier
Gearbox Type 16F/8R, partial powershift
Number of Forward Gears 16
Number of Reverse Gears 8
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 20.3 (32.6)
Maximum Reverse Speed, mph (kph) 10.0 (16.1)


Optional Transmission
Transmission Type Hydrostatic
Number of Forward Gears Infinite, 2-range
Number of Reverse Gears Infinite, 2-range
Maximum Forward Speed, mph (kph) 17.0 (27.4)
Maximum Reverse Speed, mph (kph) 7.0 (11.3)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front Steer
Steering System Hydrostatic power
Brakes Type Hydraulic dry disc
Front Tire Size 11L-15
Rear Tire Size 18.4-34
Front Tread, in (mm) 62-86 (1570-2180)
Rear Tread, in (mm) 60-94 (1520-2380)

Hydraulic System
Hydraulic System Type Open Center
Implement Pump Type Gear
Implement Pump Flow, gpm (Lpm) 12.0 (45.4)
Hydraulic Pressure, Bar (psi) 138 (2000)
Steering Pump Flow, gpm (Lpm) 9.0 (34.0)
Steering Pressure, Bar (psi) 107 (1550)
Hydraulic Fluid Capacity, qts (L) 22.5 (85.2)
3-Point Hitch Category 3/2
Standard Lift Capacity 24-in (610mm) behind pin, lb (kg) 5600 (2540)

Dimensions and Weight
Wheelbase, in (mm) 105 (2655)
Length, in (mm) 165 (4190)
Height (Exhaust), in (mm) 110 (2700)
Overall Width, in (mm) 98 (2480)
Ground Clearance, in (mm) 16 (400)
Turning Radius (without Brakes), in (mm) 166 (4200)
Turning Radius (with Brakes), in (mm) 144 (3640)
Weight (Gear), lb (kg) 12150 (5510)
Weight (Hydro), lb (kg) 12320 (5590)

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