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International Harvester 660 Technical Data

International 660 Engine

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 ................. Natural
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

IH 660 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)

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

IH 660 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)

International 660 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)