New CAT Equipment

Cat® C0.5 Diesel Engine

The Cat® C0.5 Industrial Diesel Engine is offered in ratings ranging from 4.1-6.4 kW (5.5-8.6 hp) @ 2000-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 8.2-10.2 kW (11.0-13.7 hp) @ 2800-3600 rpm are also available for Europe and, depending on applicable emission standards, may be introduced in other 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.

Get a Quote

    Product Specs

    Power Rating

    Maximum Power 13.7 HP
    Maximum Torque 22 lb-ft @ 1600 rpm
    Rated Speed 2000-3600 rpm
    Minimum Power 11 HP

    Emission Standards

    Emissions U.S. EPA Tier 4 Final


    Engine Configuration In-Line 2
    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

    Engine Dimensions - Approximate

    Length 16 in
    Width 14.6 in
    Height 20.6 in
    Weight - Net Dry - Basic Operating Engine Without Optional Attachments 126 lb