International Harvester 660

Production: 1959 - 1963  

Production
Manufacturer:	International Harvester
Type:	Standard-tread tractor
Total built:	6,945
Original price:	$6,000 (1963)

International Harvester 660 Power
Engine:	95 hp 70.8 kW
Plows:	6
Drawbar (tested):	70.21 hp 52.4 kW
PTO (tested):	81.39 hp 60.7 kW

Mechanical
Chassis:	4x2 2WD
Steering:	manual
hydrostatic power optional
Brakes:	independent mechanical disc
Cab:	Open operator station.
Transmissions:	5-speed
10-speed

Hydraulics
Valves:	1
Total flow:	12 gpm 45.4 lpm
17 gpm 64.3 lpm (optional)
Steering flow:	2.5 gpm 9.5 lpm

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540

660 Serial Numbers
Location:	Right side of clutch housing
1959:	501
1960:	3398
1961:	4259
1962:	5883
1963:	6995
Final:	?

Engine Detail
International Harvester C-263
gasoline
6-cylinder
liquid-cooled vertical L-head
Displacement:	263 ci 4.3 L
Bore/Stroke:	3.5625x4.3906 inches 90 x 112 mm
Power:	95 hp 70.8 kW
Air cleaner:	oil bath
Compression:	7.2:1
Rated RPM:	2400
Torque:	219 lb-ft 297.0 Nm
Torque RPM:	1300
Oil capacity:	9 qts 8.5 L
Coolant capacity:	20 qts 18.9 L

Dimensions
Wheelbase:	85.5 inches 217 cm
Length:	142.6 inches 362 cm
Width:	78 inches 198 cm (min)
Height (steering wheel):	74 inches 187 cm
Ground clearance:	19.7 inches 50 cm (frame)
Clearance (front axle):	17.4 inches 44 cm