Cat® C1.1 Diesel Engine

Cat® C1.1 Diesel Engine

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.
Rated Speed 2200-3400 rpm
Engine Configuration Inline 3, 4-Stroke-Cycle Diesel
Bore 77 mm (3.03 in)
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
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.

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
  • 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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