C1.5

Cat® C1.5 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
Power Rating
Maximum Power40.2hp
Maximum Torque82.4lb-ft @ 1800 rpm
Rated Speed3000 rpm
Minimum Power36.6hp
Emission Standards
EmissionsUN ECE R96 Stage IIIA
General
Engine ConfigurationInline 3, 4-Stroke-Cycle Diesel
Bore3.3in
Stroke3.5in
Displacement91in³
Compression Ratio22.5:1
AspirationNaturally Aspirated (NA) or Turbocharged (T)
Combustion SystemIndirect Injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Engine Dimensions - Approximate
Length22.5in
Width20.3in
Height25.3in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments356lb
Standard Equipment

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