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Cat® C1.5 Diesel Engine

Cat® C1.5 Industrial Diesel Engines deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. Applications powered by C1.5 engines include: Agriculture Tractors, Combines and Harvesters, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Irrigation, Pumps, Turf, Landscaping, Mobile Earthmoving, Paving, Trenchers, Underground Mining, and Material Handling. C1.5 engines, with ratings: 20.9-30 bkW (28-40.2 bhp) @ 2200-3000 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

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    • Emission Standards
      Emissions
      U.S. EPA Tier 4 Interim Equivalent
    • Engine Dimensions - Approximate
      Height
      25.3 in
      Length
      22.5 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      345 lb
      Width
      20.3 in
    • General
      Aftertreatment
      -
      Aspiration
      Naturally Aspirated (NA) or Turbocharged (T)
      Bore
      3.3 in
      Combustion System
      Indirect Injection
      Compression Ratio
      22.5:1
      Displacement
      91 in³
      Engine Configuration
      Inline 3, 4-Stroke-Cycle Diesel
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      3.5 in
    • Power Rating
      Maximum Power
      40.2 HP
      Maximum Torque
      83 lb-ft @ 1800 rpm
      Minimum Power
      27.8 HP
      Rated Speed
      2200-3000 rpm
    Air Inlet System
    • Inlet manifold with choice of inlets.
    Control System
    • Alternator 12 volt 65 amp
    • Starter motor 12 volt
    • Glow plug starting aid
    Cooling System
    • Belt-driven coolant pump
    • Coolant temperature switch
    • Choice of cooling fans
    Flywheel & Flywheel Housing
    • Naturally Aspirated: SAE No. 7 1/2 flywheel
    • Turbocharged: SAE No. 6 1/2 or SAE No. 7 1/2 flywheel
    • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
    • Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing
    Fuel System
    • Fuel injection pump
    • Spin-on fuel filter
    • Electronic Shut-off Solenoid (ESOS)
    Lube System
    • Alternative oil fillers
    • 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