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Cat® C1.7 Diesel Engine

The C1.7 is an indirect injection industrial diesel engine meeting China Nonroad Stage IV emission standards without the need for electronic control, aftertreatment or exhaust gas recirculation. It is available with many factory configurable options to minimize the costs of machine development and of manufacturing.

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    • Emission Standards
      Emissions
      China Nonroad Stage IV
    • Engine Dimensions - Approximate
      Height
      25.7 in
      Length
      22.2 in
      Weight - Net Dry - Basic Operating Engine Without Optional Attachments
      353 lb
      Width
      17.8 in
    • General
      Aftertreatment
      NA
      Aspiration
      Naturally aspirated
      Bore
      3.3 in
      Combustion System
      indirect injection
      Compression Ratio
      23:01
      Displacement
      101.4 in³
      Engine Configuration
      In-Line 3
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      3.9 in
    • Power Rating
      Maximum Power
      25.3 HP
      Maximum Torque
      72.2 lb-ft @ 1600 rpm
      Minimum Power
      25.3 HP
      Rated Speed
      2200 rpm
    Air Inlet System
    • Standard air cleaner
    • Naturally aspirated
    Control System
    • Alternator 12 volt 65 or 85 amp
    • Starter motor 12 volt
    • Glow plug starting aid
    • Electronic control unit with mechanical fuel system
    • N/A
    • All connectors and wiring harness are waterproof and designed to withstand harsh non-road environments
    • Robust reliable sensors
    Cooling System
    • Belt-driven coolant pump
    • Coolant temperature switch
    • Choice of cooling fans
    • Fan drive options
    Flywheel & Flywheel Housing
    • Flywheel and flywheel housing options
    Fuel System
    • Indirect injection
    • Spin-on fuel filter
    • Simple pintle nozzle injectors
    Lube System
    • Spin on oil filter
    • Lube oil pressure switch
    • Sump options for various applications
    Power Take Off (PTO)
    • SAE A PTO drive
    General
    • Cast iron, engine block
    • Cast iron exhaust manifold options
    • Paint: Caterpillar yellow, with optional colors available on request
    • Induction manifold options
    • Engine mounting
    • Block heater provision
    Aftertreatment/Clean Emissions Control Equipment
    • NA
    • NA