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Home / Farm Tractors / International Harvester Tractors / IH 660

International Harvester 660 Specs

The International Harvester 660 standard-tread tractor was manufactured between 1959 and 1963. The tractor is powered by 282 cu.in (4.6 L) IH D282 six-cylinder diesel engine with a rated power of 95 hp (70.8 kW), or 263 cu.in (4.3 L) IH C263 six-cylinder gasoline engine with a rated power of 95 hp (70.8 kW).

The IH 660 is fitted with a 2 types of transmission. Type 1: Sliding gear transmission with 5 forward and 1 reverse gears. Type 2: Torque Amplifier powershift transmission with 10 forward and 2 reverse gears. The maximum travel speed (forward/reverse): 16.5 mph (26.6 kph) and 2.8 mph (4.5 kph).

The open center hydraulic system has a gear pump with a rated capacity of 12 gpm (45.4 lpm) or 17 gpm (64.3 lpm). The tractor is equipped with a manual or hydrostatic power steering, independent mechanical disc brakes, 6.50x18 or 7.50x18 front tyres, and 18.4x34 or 23.1x26 rear tyres. The International 660 is compatible with IH-Wagner 625 self-leveling front-end loader with lift capacity to full height of 4000 lbs (1814 kg) and breakout force of 6500 lbs (2948 kg).

Diesel Engine
Engine Model International Harvester D-282
Engine Type 4-stroke, vertical six-cylinder diesel
Number of Cylinders 6
Displacement, cu in (L) 282 (4.60)
Engine Bore, in (mm) 3.69 (94.0)
Engine Stroke, in (mm) 4.39 (112.0)
Aspiration Naturally aspirated
Rated Engine Power, hp (kW) 95.0 (70.8)
Rated Engine Speed, rpm 2400
Maximum Torque, Nm (ft-lbs) 297 (219)
Torque Speed, rpm 1800
Compression 18.2:1
Firing Order 1-5-3-6-2-4
Fuel System Direct injection
Fuel Tank Capacity, gal (L) 33.0 (125.0)
Oil Capacity, qts (L) 9.0 (8.5)
Coolant Capacity, qts (L) 23.0 (21.9)
Electrical System Rating, Volts 12

Gasoline Engine
Engine Model International Harvester C-263
Engine Type 4-stroke, vertical six-cylinder gasoline
Number of Cylinders 6
Displacement, cu in (L) 263 (4.30)
Engine Bore, in (mm) 3.56 (90.0)
Engine Stroke, in (mm) 4.39 (112.0)
Rated Engine Power, hp (kW) 95.0 (70.8)
Rated Engine Speed, rpm 2400
Compression 7.2:1
Air Cleaner Oil bath
Fuel Tank Capacity, gal (L) 33.0 (125.0)
Oil Capacity, qts (L) 9.0 (8.5)
Coolant Capacity, qts (L) 20.0 (19.0)
Electrical System Rating, Volts 12

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 81.4 (60.7)
PTO Clutch Dry disc
PTO Speeds, rpm 540
PTO / Engine Speed, rpm 540/2400

Standard Transmission
Transmission Type Sliding gear
Gearbox Type 5F/1R
Number of Forward Gears 5
Number of Reverse Gears 1
Clutch Dry disc
Oil Capacity, qts (L) 64.0 (60.6)
Maximum Forward Speed, mph (kph) 16.5 (26.6)
Maximum Reverse Speed, mph (kph) 2.8 (4.5)

Optional Transmission
Transmission Type Torque Amplifier
Gearbox Type 10F/2R, 2-speed powershift
Number of Forward Gears 10
Number of Reverse Gears 2
Clutch Type Dry disc
Oil Capacity, qts (L) 64.0 (60.6)
Maximum Forward Speed, mph (kph) 16.5 (26.6)
Maximum Reverse Speed, mph (kph) 2.6 (4.2)

Belt Pulley
Belt Type Flat
Belt Width, in (mm) 7.5 (190)
Belt Pulley Diameter, in (mm) 11 (275)
Belt Pulley Speed, rpm 1054

Wheels and Tires
Drive Wheels 2WD 4x2
Steering Configuration Front Steer
Steering System Manual or hydrostatic power
Brakes Type Independent mechanical disc
Front Tire Size (Std) 6.50-18
Rear Tire Size (Std) 18.4-34
Front Tire Size (Opt) 7.50-18
Rear Tire Size (Opt) 23.1-26
Front Tread, in (mm) 51 (1290)
Rear Tread, in (mm) 64 (1615) or 72 (1820)

Hydraulic System
Hydraulic System Type Open Center
Implement Pump Type Gear
Implement Pump Flow (Std), gpm (Lpm) 12.0 (45.4)
Implement Pump Flow (Opt), gpm (Lpm) 17.0 (64.3)
Steering Pump Flow, gpm (Lpm) 2.5 (9.5)
Hydraulic Fluid Capacity, qts (L) 16.0 (60.6)

Dimensions and Weight
Wheelbase, in (mm) 85.5 (2170)
Length, in (mm) 142.6 (3620)
Height (Steering Wheel), in (mm) 74 (1870)
Overall Width, in (mm) 78 (1980)
Ground Clearance, in (mm) 17.4 (440)
Turning Radius, in (mm) 174 (4400)
Weight (Gas), lb (kg) 9635 (4370)
Weight (Diesel), lb (kg) 9875 (4480)
Weight (Ballasted), lb (kg) 15255 (6920)

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