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Overview

The Cat® C1.5 Industrial Diesel Engine is offered in ratings ranging from 18.4-27.6 bkW (24.7-37.0 bhp) @ 1800-3000 rpm and meet U.S. EPA Tier 4 Final emission standards. Ratings: 20.9-30.0 bkW (28.0-40.2bhp) @ 2200-3000 rpm meet EU Stage IIIA emission standards and are also available in Europe and other regions. Industries and applications powered by C1.5 engines include: Aircraft Ground Support, Auxiliary Power Units, Bore/Drill Rigs, Chippers and Grinders, Compactors/Rollers, Construction, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Pumps, Trenchers, Turf and Landscaping, Underground Mining Equipment and Welders.

Power Rating

Units:
Minimum Power 24.7 bhp 18.4 bkW Less
Maximum Power 40.2 bhp 30.0 bkW Less
Frequency 2100-3000 rpm 2100-3000 rpm Less

Emission Standards

Emissions U.S. EPA Tier 4 Final or EU Stage IIIA U.S. EPA Tier 4 Final or EU Stage IIIA Less

General

Engine Configuration In-Line 3, 4-Stroke-Cycle Diesel In-Line 3, 4-Stroke-Cycle Diesel Less
Bore 84 mm (3.3 in) 84 mm (3.3 in) Less
Stroke 90 mm (3.5 in) 90 mm (3.5 in) Less
Displacement 1.496 L (91 in³) 1.496 L (91 in³) Less
Aspiration Naturally Aspirated (NA) or Turbocharged (T) Naturally Aspirated (NA) or Turbocharged (T) Less
Compression Ratio 22.5:1 22.5:1 Less
Combustion System Indirect Injection Indirect Injection Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Cooling System Capacity 2.6 L (2.75 qt) 2.6 L (2.75 qt) Less
Lube System (refill) 6 L (6.3 qt) 6 L (6.3 qt) Less

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

Length 572 mm (22.5 in) 572 mm (22.5 in) Less
Width 453-512 mm (17.8-20.2 in) 453-512 mm (17.8-20.2 in) Less
Height 643 mm (25.3 in) 643 mm (25.3 in) Less
Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 149-156.5 kg (328.5-345 lb) 149-156.5 kg (328.5-345 lb) Less

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

Length 449 mm, 17.6 in (Tier 4 Final only) 449 mm, 17.6 in (Tier 4 Final only) Less
Weight 13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only) 13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only) Less
Diameter 170 mm (6.7 in) (Tier 4 Final only) 170 mm (6.7 in) (Tier 4 Final only) Less

Emissions

Meets U.S. EPA Tier 4 Final or EU Stage IIIA emission standards.

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

Substantial torque rise 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.

Low Cost Maintenance

Single-side servicing improves ease of maintenance and simplifies the servicing routine. Standard 500 hour service intervals.

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 S•O•SSM 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

Tier 4 Final, Stage IIIB Aftertreatment Features


Regeneration. Highly effective passive regeneration under most operating environments and cycles. Automatic, transparent active regeneration backup system during light load or adverse operating cycles. Wall flow DPF and through-flow DOC to effectively remove and manage emissions.


Mounting. Multiple off- and on- engine installation options provide customers with simple and flexible solutions for many applications.
Service. Minimum 3000 hour DPF ash service intervals.

C1.5 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
  • Tier 4 Final: Alternator 12V 85 amp

Cooling System
  • Belt-driven coolant pump
  • Coolant temperature switch
  • Choice of cooling fans

Flywheel & Flywheel Housing
  • Naturally Aspirated: SAE No. 7 1/2 flywheel
  • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
  • Turbocharged: SAE No. 6 1/2 or SAE No. 7 1/2 flywheel
  • Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing
  • EPA Tier 4 Final Turbocharged: SAE No. 7 1/2 flywheel
  • Tier 4 Final Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing

Fuel System
  • Fuel injection pump
  • Spin-on fuel filter
  • Electronic Shut-off Solenoid (ESOS)

Lube System
  • Alternative oil fillers
  • Spin-on lube oil filter
  • Lube oil pressure switch
  • Lube oil sump

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)
  • Gradeability 35° continuous
  • Paint: Cat yellow, with optional colors available at request

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