The 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 model | C-60 |
| Engine type | 4-stroke, DOHC, |
| Displacement | 975 cm3, (59.5 cu·in) |
| Max. horsepower | 18.2 PS (13.4 KW; 18.0 HP) |
| Max. torque | – |
| Cooling system | Water |
| Lubricating system | Forced |
| Fuel system | Carburetor |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Starting system | Electric 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
| Engine | |
| 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) |
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