The Caterpillar C1.6 is a 1.5 L (1,508 cc, 92.0 cu·in) natural aspirated four-cylinders four-stroke liquid-cooled internal combustion vertical diesel, manufactured by Caterpillar Inc. for general-purpose applications.
The Cat C1.6 engine has a four-cylinders, cast-iron cylinder block, overhead valve design, indirect injection fuel system, 12 volts electric starter motor and 12 Volts alternator. This engine used a belt-driven coolant pump and coolant temperature switch. Lubrication system consists of a closed-circuit breather, spin-on lube oil filter, lube oil pressure switch and lube oil sump.
The Caterpillar C1.6 engine produced:
- EU Stage IIIA emission standards: From 33.5 PS (24.6 KW; 33 HP) at 2,800 rpm to 36 PS (26.5 KW; 35.5 HP) at 3,000 rpm of maximum output power and 84.6 Nm (8.63 kg·m; 62.43 ft·lb) at 2,800 rpm of torque.
- U.S. EPA Tier 4 Interim emission standards: From 33.5 PS (24.6 KW; 33 HP) at 2,800 rpm to 36 PS (26.5 KW; 35.5 HP) at 3,000 rpm of power.
General information
| Engine Specifications | |
| Engine model | Cat C1.6 |
| Engine type | 4-stroke, OHV, four-cylinders |
| Displacement | 1,508 cm3, (92.0 cu·in) |
| Max. horsepower |
EU Stage IIIA: 33.5 PS (24.6 KW; 33 HP) at 2,800 rpm to 36 PS (26.5 KW; 35.5 HP) at 3,000 rpm U.S. EPA Tier 4 Interim: 33.5 PS (24.6 KW; 33 HP) at 2,800 rpm to 36 PS (26.5 KW; 35.5 HP) at 3,000 rpm |
| Torque |
EU Stage IIIA (Standard version): 84.4 Nm (8.6 kg·m; 62.4 ft·lb) at 3,000 rpm |
| Cooling system | Liquid-cooled |
| Lubricating system | Pressure feed |
| Fuel system | Indirect injection |
| Fuel used | Diesel |
| Starting system | Starter motor 12 Volts |
| Starting aid | Glow plug |
| Charging system | Alternator 12 Volts (40 amp) |
| PTO shaft rotation | Counterclockwise (from flywheel end) |
| Dimensions (L x W x H) | 591 x 420 x 576 mm (23.3 x 16.5 x 22.7 in) |
| Dry weight | 106.8 kg (235.5 lbs) |
Cylinder Block and Head
Cylinder bore and piston stroke are 77.0 mm (3.03 in) and 81.0 mm (3.19 in), respectively. Compression ratio rating is 22.9:1. The engine used cast iron engine block, cast iron exhaust manifold and inlet manifold with choice of inlets.
| Cylinder block | |
| Cylinder block alloy: | Cast-iron |
| Compression ratio: | 22.9:1 |
| Cylinder bore: | 77.0 mm (3.03 in) |
| Piston stroke: | 81.0 mm (3.19 in) |
| Crankshaft center distance: | 40.5 mm (1.595 in) |
| Cylinder head | |
| Cylinder head alloy: | Cast-iron |
| Valve arrangement: | OHV |
| Valves: | 2 per cylinder, (86 valves in total) |
Service Data
The engine oil with a viscosity of SAE 10W-30 is recommended for the C1.1, refilling oil capacity is 6.5 L (6.9 U.S. qts).
| Oil system | |
| Lubrication system: | Pressure feed |
| Oil capacity: | 6.5 L (6.9 U.S. qts) |
| Cooling system | |
| Cooling system: | Liquid-cooled |
| Capacity: | – |
| Fuel system | |
| Type: | Indirect injection |
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