Cat® C1.7 Diesel Engine

Cat® C1.7 Diesel Engine

The new electronic Cat® C1.7 Industrial Diesel Engines, with common rail fuel system, deliver impressive performance throughout a wide speed range with exceptional power density. Ultracompact package size and extensive options make them ideal for agriculture, aerial lifts, compressors, construction, general industrial, irrigation equipment, material handling, mobile earthmoving equipment, mobile light towers, turf and landscaping, underground mining equipment, and welders.

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Power Rating

Minimum Power
Maximum Power
Rated Speed
2800 rpm

Emission Standards

U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)


Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
84 mm (3.3 in)
90 mm (3.5 in)
1.7L (103.7 in³)
Turbocharged (T)
Compression Ratio
Combustion System
Direct Injection
Rotation (from flywheel end)
Cooling System Capacity
2.8L (2.96 qt)
Lube System (refill)
3.6L (3.8 qt)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

640 mm (25.2 in)
545 mm (21.4 in)
736 mm (28.9 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
190 kg (419 lbs)

Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)

408.4 mm (16.07 in)
5.8 kg (12.79 lb)
155 mm (6.1 in)

Standard Equipment

  • Air Inlet System
    • Standard air cleaner
    • Turbocharger
  • Control System
    • Alternator 12 volt 85 amp
    • Starter motor 12 volt
    • Glow plug starting aid
    • Electronic control unit
    • Flexible and configurable software features and well supported SAE J1939 CAN bus enables highly integrated machines
    • 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
    • Electronic 2000 bar common rail fuel system
    • 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 at request
    • Induction manifold options
    • Engine mounting
    • Block heater provision
  • U.s. Epa Tier 4 Final Aftertreatment/clean Emissions Control Equipment
    • Diesel Oxidation Catalyst (DOC)