International Harvester С-60

International Harvester C-60The International Harvester C-60 is a 1.0 L (975 cc, 59.5 cu·in) natural aspirated four-stroke water-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by International Harvester for general-purpose applications.

It has a 67.0 mm (2.64 in) cylinder bore and 70.0 mm (2.76 in) piston stroke. The compression ratio rating is 7.5:1.

The International Harvester C60 engine produced from 14.1 PS (10.4 KW; 14.0 HP) to 18.2 PS (13.4 KW; 18.0 HP) of maximum output power.

The IH C-60 used:

  • Counterbalanced crankshaft with 3 main bearings
  • I-Beam type connecting rods
  • Aluminum alloy pistons
  • Full floating piston pins
  • Two compression and single oil ring

General information

Engine Specifications
Engine modelC-60
Engine type4-stroke, DOHC,
Displacement975 cm3, (59.5 cu·in)
Max. horsepower18.2 PS (13.4 KW; 18.0 HP)
Max. torque
Cooling systemWater
Lubricating systemForced
Fuel systemCarburetor
Fuel usedUnleaded gasoline (octane number 86 or higher)
Starting systemElectric starter
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder block
Compression ratio:7.5:1
Cylinder bore:67.0 mm (2.64 in)
Piston stroke:70.0 mm (2.76 in)
Cylinder internal diameter (standard):66.6700-66.7560 mm (2.6248-2.6282 in)
Piston skirt outer diameter (standard):66.6242-66.6344 mm (2.623-2.6234 in)
Number of piston rings (compression / oil):2/1
Side clearance (Top):0.050-0.090 mm (0.002-0.0035 in)
Side clearance (Second):0.050-0.100 mm (0.002-0.0039 in)
Side clearance (Oil):0.040-0.075 mm (0.0016-0.003 in)
Ring end gap (Top):0.180-0.430 mm (0.0071-0.0169 in)
Ring end gap (Second):0.180-0.430 mm (0.0071-0.0169 in)
Number of main bearings:3
Crankshaft main journal diameter:41.225-41.250 mm (1.623-1.624 in)
Crankpin journal diameter:38.050-38.075 mm (1.498-1.499 in)
Crankshaft center distance:35 mm (1.38 in)
Cylinder head
Valve arrangement:
Valves:2 (8 valves in total)
Valve head diameter (INTAKE):27.6600-27.9145 mm (1.089-1.099 in)
Valve head diameter (EXHAUST):22.8855-23.1395 mm (0.901-0.911 in)
Valve steam diameter (INTAKE):7.8615-7.8865 mm (0.3095-0.3105 in)
Valve steam diameter (EXHAUST):7.8615-7.8865 mm (0.3095-0.3105 in)
Valve spring free length (INTAKE):50.0 mm (1.9685 in)
Valve spring free length (EXHAUST):36.5 mm (1.437 in)
Camshaft journal diameter (front) :47.5234-47.5488 mm (1.871-1.872 in)
Camshaft journal diameter (center):44.3484-44.3738 mm (1.746-1.747 in)
Camshaft journal diameter (rear):22.1995-22.2375 mm (0.8740-0.8755 in)

Service Data

Maximum speed:2,420-2,510 rpm
Cylinder compression:9.0 bar (190 psi)
Valve clearance
Intake valve clearance (COLD):0.40 mm (0.0157 in)
Exhaust valve clearance (COLD):0.40 mm (0.0157 in)
Oil capacity:2.8 L (2.96 US. qt, 2.46 Imp. qt.)
Oil presure: 2.07 bar (30.0 psi) at 2,200 rpm
Ignition system
Ignition timing:16° B.T.D.C
Spark plug gap:0.6 mm (0.0236 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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