Industrial engines

C1.1

Cat® C1.1 Industrial Diesel Engines deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs.

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Power Rating
Maximum Power23.8 hp
Maximum Torque60.7 lb-ft @ 1600 rpm
Rated Speed2800 rpm
Minimum Power23.8 hp
Emission Standards
EmissionsU.S. EPA Tier 4 Final
General
Engine ConfigurationIn-Line 3
Bore3 in
Stroke3.2 in
Displacement69 in³
Compression Ratio22.1:1
AspirationNaturally Aspirated (NA)/Turbocharged (T)
Combustion SystemIndirect Injection
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Total Lubricating Oil Capacity1.16 gal (US)
Engine Dimensions - Approximate
Length19.6 in
Width20.1 in
Height23.1 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments238 lb

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

Flywheel and Flywheel Housing

  • SAE No. 6 1/2 flywheel
  • Choice of SAE No. 5 or standard backplate flywheel housing
  • U.S. EPA Tier 4 Final: Standard backplate flywheel housing and flatface flywheel

Fuel System

  • Fuel injection pump
  • Spin-on fuel filter

Lube System

  • Low profile oil pan
  • Spin-on lube oil filter
  • Lube oil pressure switch

Power Take Off (PTO)

  • Provision for Power Take Off (PTO)

General

  • Cast iron, engine block
  • Cast iron exhaust manifold--side outlet
  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request

Need installed dimensions with enclosure and tank? See Model Configurations