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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Maximum Power 40.2 HP
Maximum Torque 92 lb-ft @ 1800 rpm
Rated Speed 2800 rpm
Minimum Power 33.5 HP
Emissions U.S. EPA & CARB Tier 4 Final
Engine Configuration In-Line 3
Bore 3.3 in
Stroke 3.9 in
Displacement 103.7 in³
Compression Ratio 18.0:1
Aspiration Turbocharged (T)
Combustion System Direct Injection
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC
Length 25.2 in
Width 21.4 in
Height 28.9 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 419 lb
Length 16 in
Weight 12.8 lb
Diameter 6.1 in
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)