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Home / Power Systems / Industrial / Cat® C1.1 Diesel Engine
C1.1 LRC Diesel Engines - Lesser Regulated & Non-Regulated

Cat® C1.1 Diesel Engine

Industrial
Industrial (100)

Overview

The C1.1 Industrial Diesel Engine is offered in ratings ranging from 13.7-21.0 bkW (18.4-28.2 bhp) @ 2200-3000 rpm. These ratings meet EPA Tier 4 Final emission standards. They are also available for Europe and, depending on applicable emission standards, may be introduced in other regulated and non-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 and 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.
Quality
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
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
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.
Quality
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
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
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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Power Rating

Minimum Power
19.1bhp
Maximum Power
28.2bhp
Rated Speed
2200-3400 rpm
Minimum Power
19.7HP
Maximum Power
28.2HP
Rated Speed
2200-3400 rpm
Maximum Torque
52lb-ft @ 2300 rpm
Maximum Power
28.2HP
Maximum Torque
49.4lb-ft @ 2400 rpm
Rated Speed
2200-3400 rpm
Minimum Power
19.7HP

Emission Standards

Emissions
U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
Emissions
U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.
Emissions
U.S. EPA Tier 4 Interim Equivalent. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU emission standards.

General

Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
77 mm (3.03 in)
Stroke
81 mm (3.19 in)
Displacement
1.13 L (69 in³)
Aspiration
Naturally Aspirated (NA)
Compression Ratio
23:1
Combustion System
Indirect Injection
Rotation (from flywheel end)
Counterclockwise
Lube System (refill)
3.4-4.4 L (3.6-4.6 qt)
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
77 mm (3.03 in)
Stroke
81 mm (3.19 in)
Aspiration
Naturally Aspirated (NA)
Displacement
1.13 L (69 in³)
Compression Ratio
23.0:1
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Lube System - Refill
3.4-4.4 L (3.6-4.6 qt)
Bore
3in
Stroke
3.2in
Displacement
69in³
Aftertreatment
-
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
3in
Stroke
3.2in
Displacement
69in³
Compression Ratio
23.0:1
Aspiration
Naturally Aspirated (NA)
Combustion System
Indirect Injection
Rotation from Flywheel End
Counterclockwise
Aftertreatment
-

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

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

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 (15.7 in)
Height
22.7in
Length
19.3in
Width
15.7in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191lb
Length
19.3in
Width
15.7in
Height
22.7in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191lb

Standard/Optional Features

Standard Equipment:

  • Air Inlet System
    • Inlet manifold with choice of inlets.
  • Control System
    • Alternator 12 volt 40 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
  • Fuel System
    • Fuel injection pump
    • Spin-on fuel filter
    • Electronic Shut-off Solenoid (ESOS)
  • Lube System
    • Low profile oil pan
    • Spin-on lube oil filter
    • Lube oil pressure switch
  • General
    • Cast iron, engine block
    • Cast iron exhaust manifold--side outlet
    • Paint: Caterpillar yellow, with optional colors available at request

Optional Equipment:

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