New | 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.

Power Rating
Minimum Power11.0 bhp
Maximum Power13.7 bhp
Rated Speed2800-3600 rpm
Emission Standards
EmissionsU.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
Engine ConfigurationInline 2, 4-Stroke-Cycle Diesel
Bore67 mm (2.64 in)
Stroke72 mm (2.83 in)
Displacement0.5 L (31 in³)
AspirationNaturally Aspirated (NA)
Compression Ratio23.5:1
Combustion SystemIndirect Injection
Rotation (from flywheel end)Counterclockwise
Lube System (refill)1.61-2.01 L (1.70-2.12 qt)
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
Length407 mm (16 in)
Width371 mm (14.6 in)
Height523 mm (20.6 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)57 kg (126 lb)

Meets U.s. Epa Tier 4 Interim Equivalent Emission Standards. Available Using U.s. Epa Flexibility, And For Other Regulated And Non-regulated Areas.

World-class Manufacturing Capability And Processes Coupled With Proven Core Engine Designs Assure Reliability, Quiet Operation, And Many Hours Of Productive Life.

Delivers Impressive Performance Throughout A Wide Speed Range While Maintaining Low Operating Costs.

Fuel Consumption Optimized To Match Operating Cycles Of A Wide Range Of Equipment And Applications While Maintaining Low Operating Costs.

Industry Leading Range Of Factory Configurable Ratings And Options For Agricultural, Material Handling, Construction, Mining, Aircraft Ground Support, And Other Industrial Applications.

Ultra-compact Package Size Ensures Ease Of Installation As Well As Exceptional Power Density.

Every Cat Engine Is Manufactured To Stringent Quality Standards In Order To Assure Customer Satisfaction.

  • scheduled Maintenance, Including S•o•ssm Sample
  • customer Support Agreements (csa)
  • caterpillar Extended Service Coverage (esc)
  • superior Dealer Service Network
  • extended Dealer Service Network Through The Cat Industrial Service Distributor (isd) Program

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
  • 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



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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
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Helix Electric

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Engine Service Manager
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