Cat® C1.1 Diesel Engine

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Description
Technical Specifications
Benefits and Features
Equipment

The Cat® C1.1 Industrial Diesel Engine is offered in ratings ranging from 14.4-18.4 bkW (19.3-24.7 bhp) @ 1800-2800 rpm. These ratings meet U.S. EPA Tier 4 Final emission standards. Ratings: 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated areas. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards. Industries and applications powered by C1.1 engines include: Aircraft Ground Support, Auxiliary Power Units, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Underground Mining Equipment.

Power Rating
Maximum Power 25 HP
Maximum Torque 63 lb-ft @ 1600 rpm
Rated Speed 2200-3400 rpm
Minimum Power 19.3 HP
Emission Standards
Emissions U.S. EPA Tier 4 Final, EU Stage V
General
Engine Configuration In-Line 3
Bore 3 in
Stroke 3.2 in
Displacement 69 in³
Compression Ratio 23.0:1
Aspiration Naturally Aspirated (NA)/Turbocharged (T)
Combustion System Indirect Injection
Rotation from Flywheel End Counterclockwise
Engine Dimensions - Approximate
Length 19.3 in
Width 15.7 in
Height 22.7 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 191 lb

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

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

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
  • 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