Cat® C0.5 Diesel Engine

The C0.5 Industrial Diesel Engine is offered in ratings ranging from 8.2-10.2 bkW (11.0-13.7 bhp) @ 2800-3600 rpm. These ratings are available for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. Industries and applications powered by C0.5 engines include Auxiliary Power Units, Compactors/Rollers, Mobile Earthmoving Equipment, Mobile Light Towers and Turf and Landscaping.

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Maximum Power 13.7 HP
Maximum Torque 22 lb-ft @ 2000 rpm
Rated Speed 2800-3600 rpm
Minimum Power 11 HP
Emissions U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
Engine Configuration Inline 2, 4-Stroke-Cycle Diesel
Bore 2.6 in
Stroke 2.8 in
Displacement 31 in³
Compression Ratio 23.5:1
Aspiration Naturally Aspirated (NA)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 16 in
Width 14.6 in
Height 20.6 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 126 lb
Air Inlet System
  • Inlet manifold with choice of inlets.
Control System
  • Alternator 12 volt 14 amp
  • Starter motor 12 volt
  • Glow plug starting aid
Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans
Flywheel and Flywheel Housing
  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing
Fuel System
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)
Lube System
  • Closed circuit breather
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Lube oil sump
General
  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Gradeability 35° continuous
  • Paint: Caterpillar yellow, with optional colors available at request