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Home / Power Systems / Industrial / Cat® C1.1 Diesel Engine
C1.1 Tier 4 Diesel Engines - Highly Regulated

Cat® C1.1 Diesel Engine

Industrial
Industrial (100)

Overview

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.

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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
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
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General

Engine Configuration
In-Line 3, 4-Stroke-Cycle Diesel
Cooling System Capacity
1.9 L (2 qt)
Lube System (refill)
3.4-4.4 L (3.6-4.6 qt)
Bore
3in
Stroke
3.2in
Displacement
69in³
Aspiration
Naturally Aspirated (NA)/Turbocharged (T)
Compression Ratio
23.0:1
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
In-Line 3
Bore
77 mm (3.03 in)
Stroke
81 mm (3.19 in)
Displacement
1.13 L (69 in³)
Cooling System - Capacity
1.9 L (2 qt)
Lube System - Refill
3.4-4.4 L (3.6-4.6 qt)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
491 mm (19.33 in)
Width
400 mm (15.74 in)
Height
576 mm (22.7 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)
87 kg (191 lb)

Power Rating

Minimum Power
19.3HP
Maximum Power
25HP
Rated Speed
2200-3400 rpm
Maximum Torque
63lb-ft @ 1600 rpm

Emission Standards

Emissions
U.S. EPA Tier 4 Final, EU Stage V

Engine Dimensions - Approximate

Height
576 mm (22.7 in)
Length
491 mm (19.33 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
87 kg (191 lb)
Width
400 mm (15.74 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191lb
Width
15.7in
Length
19.3in
Height
22.7in

Standard/Optional Features

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

Optional Equipment:

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