Cat® C1.1 Diesel Engine

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

Power Rating

Minimum Power
19 bhp
Maximum Power
28 bhp
Rated Speed
2200-3400 rpm
Minimum Power
20 HP
Maximum Power
28 HP
Rated Speed
2200-3400 rpm
Maximum Torque
52 lb-ft @ 2300 rpm
Maximum Power
28 HP
Maximum Torque
49 lb-ft @ 2400 rpm
Rated Speed
2200-3400 rpm
Minimum Power
20 HP

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 (3.0 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)
Bore
3 in
Stroke
3 in
Displacement
69 in³
Aftertreatment
-
Engine Configuration
Inline 3, 4-Stroke-Cycle Diesel
Bore
3 in
Stroke
3 in
Displacement
69 in³
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 (19.3 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
87 kg (191 lb)
Width
400 mm (15.7 in)
Height
23 in
Length
19 in
Width
16 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
191 lb
Length
19 in
Width
16 in
Height
23 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.

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.

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.

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.

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.

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.

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
  • 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
  • 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
  • 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
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