Industrial Diesel Engines - Lesser Regulated & Non-Regulated
Industrial Diesel Engines - Highly Regulated

Cat® C1.1 Diesel Engine

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US
Metric

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.

Power Rating

Minimum Power
19.10 bhp
14.10 bkW
Maximum Power
28.20 bhp
21.00 bkW
Rated Speed
2200-3400 rpm

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 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)

Power Rating

Minimum Power
19.70 HP
14.70 kW
Maximum Power
28.20 HP
21.00 kW
Rated Speed
2200-3400 rpm

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 (3.0 in)
Stroke
81 mm (3.2 in)
Aspiration
Naturally Aspirated (NA)
Displacement
1.13 L (67 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)

Engine Dimensions - Approximate

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

General

Bore
3.00 in
77.00 mm
Stroke
3.20 in
81.00 mm
Displacement
69.00 in³
1.13 l

Engine Dimensions - Approximate

Height
22.70 in
576.00 mm
Length
19.30 in
491.00 mm
Width
15.70 in
400.00 mm

Power Rating

Maximum Torque
49.40 lb-ft @ 2400 rpm
67.00 Nm @ 2400 rpm

Engine Dimensions - Approximate

Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191.00 lb
87.00 kg

General

Aftertreatment
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Features

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
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