Caterpillar C0.5

Cat C0.5The Caterpillar C0.5 is a 0.5 L (507 cc) two-cylinders water-cooled four-stroke internal combustion diesel engine manufactured by Caterpillar Inc. for auxiliary power and other special applications.

The Caterpillar C0.5 engine has a cast-iron cylinder block, indirect injection fuel system, electric starter motor and 12 Volts (65 amp) alternator. The Cat C0.5 engine used a belt-driven coolant pump, coolant temperature switch. This diesel motor uses closed-circuit lubrication system with spin-on lube oil filter, lube oil pressure switch, and lube oil sump. The Cat C0.5 is equipped with standard backplate flywheel housing and flat face flywheel.

It has a 67.0 mm (2.64 in) cylinder bore and 72.0 mm (2.83 in) piston stroke. Compression ratio rating is 23.5:1.

The CAT C0.5 engine produced:

  • For auxiliary power and other special applications: 10.3 PS (7.6 kW; 10.2 HP) at 2,800 rpm of maximum output power and 27.0 N·m (2.8 kg·m, 19.9 ft·lb) at 2,800 rpm of peak torque.
  • U.S. EPA Tier 4 Final, EU Stage IIIA emission standards: From 11.2 PS (8.2 KW; 11 HP) at 2,800 rpm to 13.9 PS (10.2 KW; 13.7 HP) at 3,600 rpm of max. power.

General information

Engine Specifications
Model C0.5
Type 4-stroke, two-cylinders
Displacement 0.5 L, 507 cm 3 (30.94 cu-in)
Max. horsepower For auxiliary power and other special applications:
10.3 PS (7.6 kW; 10.2 HP) at 2,800 rpm
U.S. EPA Tier 4 Final, EU Stage IIIA emission standards:
From 11.2 PS (8.2 KW; 11 HP) at 2,800 rpm
to 13.9 PS (10.2 KW; 13.7 HP) at 3,600 rpm
Max. torque (crank PTO) For auxiliary power and other special applications:
27.0 N·m (2.8 kg·m, 19.9 ft·lb) at 2,800 rpm
Fuel system Fuel injection pump with Electronic Shut-off Solenoid (ESOS)
Cooling system Liquid-cooled
Aspiration type Naturally Aspirated
Lubricating system Pressure feed
Starting system Electric starter
Starting aid Glow plug
PTO shaft rotation Counterclockwise (from flywheel end)

Dimensions and Weight

C0.5
Length, mm (in) 407 (16.0)
Width, mm (in) 371 (14.6)
Height, mm (in) 523 (20.6)
Dry weight, kg (lb) 57.0 (125.7)

MAINTENANCE DATA

Engine
Rated speed 2,000-3,600 rpm
Oil system
Oil type 4-stroke engile oil or an equivalent
Recommended oil SAE 10W-30
Oil capacity 1.6-2.0 L (1.70-2.12 US. qt)
Cooling system
Cooling liquid capacity: 1.1 L (1.16 US. qt)
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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