C1.7

Cat<sup>®</sup> C1.7 Diesel Engine

THE RUNDOWN

Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
High Performance
Substantial torque rise delivers impressive performance throughout a wide speed range while maintaining low operating costs.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Package Size
Ultra-compact package size ensures ease of installation as well as exceptional power density.
World-class Product Support Offered Through Global Cat Dealer Network
  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
Tier 4 Final Aftertreatment Features
Regeneration Free. The Diesel Oxidation Catalyst (DOC) technology provides customers with an aftertreatment solution that is as compact as possible. The aftertreatment is regeneration-free, providing a seamless operation throughout the work cycle. Mounting. Mounted on-engine, as standard. This will provide the simplest installation and the lowest total cost for the equipment manufacturer. An off-engine option will be offered for some equipment.
Power Rating
Maximum Power23.8hp
Maximum Torque92lb-ft @ 1800 rpm
Rated Speed2200 rpm
Minimum Power23.8hp
Emission Standards
EmissionsU.S. EPA Tier 4 Final
General
Engine ConfigurationIn-Line 3
Bore3.3in
Stroke3.9in
Displacement103.7in³
Compression Ratio23.0:1
AspirationNaturally Aspirated (NA)/Turbocharged (T)
Combustion SystemIndirect Injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Total Lubricating Oil Capacity1.58gal (US)
Engine Dimensions - Approximate
Length22.5in
Width19.7in
Height25.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments368lb
Aftertreatment Dimensions
Length22.5in
Weight12.8lb
Aftertreatment Dimensions*
Diameter6.1in
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)