Cat C0.5


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Power Rating
Minimum Power 11 BHP
Maximum Power 13.7 BHP
Rated Speed 2800-3600 rpm
Emission Standards
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 67 mm (2.64 in)
Stroke 72 mm (2.83 in)
Aspiration Naturally Aspirated (NA)
Displacement 0.5 L (31 in³)
Compression Ratio 23.5:1
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Lube System - Refill 1.61-2.01 L (1.70-2.12 qt)
Engine Dimensions - Approximate
Height 523 mm (20.6 in)
Length 407 mm (16 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 57 kg (126 lb)
Width 371 mm (14.6 in)


Reliable, Quiet and Durable Power

Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

High Performance

High Performance
Delivers impressive performance throughout a wide speed range while maintaining low operating costs.

Fuel Efficiency

Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Broad Application Range

Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Package Size

Package Size
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.

World-class Product Support Offered Through Global Cat Dealer Network

World-class Product Support Offered Through Global Cat Dealer Network
  • Scheduled maintenance, including SOSSM 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



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