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C1.5 LRC Diesel Engine

C818977

The C1.5 diesel engine is an automatic choice when it comes to diesel generators, owing to its advanced power generation capabilities.

Emissions

Meets U.S. EPA Tier 4 Interim equivalent emission standards. Available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

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.

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
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
  • Turbocharged: SAE No. 6 1/2 or SAE No. 7 1/2 flywheel
  • EPA Tier 4 Final Turbocharged: SAE No. 7 1/2 flywheel
  • Naturally Aspirated: Choice of SAE No. 4 or standard backplate flywheel housing
  • Turbocharged: Choice of SAE No. 4 or SAE No. 5 or standard backplate flywheel housing
  • 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
General
  • Cast iron, engine block
  • Cast iron exhaust manifold–side outlet
  • Cold start capability to -20° C (-4° F)
  • Gradeability 35° continuous
  • Paint: Caterpillar yellow, with optional colors available at request
Overview

Cat® C1.5 Industrial Diesel Engines deliver impressive performance throughout a wide speed range with exceptional power density. Their ultra-compact package size and extensive choice of options ensures these engines are ideal for a wide range of small, off road applications. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. Applications powered by C1.5 engines include: Agriculture Tractors, Combines and Harvesters, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Irrigation, Pumps, Turf, Landscaping, Mobile Earthmoving, Paving, Trenchers, Underground Mining, and Material Handling. C1.5 engines, with ratings: 20.9-30 bkW (28-40.2 bhp) @ 2200-3000 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Power Rating
Minimum Power20.9 bkW
Maximum Power30.0 bkW
Rated Speed2200-3000 rpm
Emission Standards
EmissionsU.S. EPA Tier 4 Interim Equivalent
General
Engine ConfigurationInline 3, 4-Stroke-Cycle Diesel
Bore84 mm (3.3 in)
Stroke90 mm (3.5 in)
Displacement1.496 L (91 in³)
AspirationNaturally Aspirated (NA) or Turbocharged (T)
Compression Ratio22.5:1
Combustion SystemIndirect Injection
Rotation (from flywheel end)Counterclockwise
Lube System (refill)6 L (6.3 qt)
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
Length572 mm (22.5 in)
Width453-512 mm (17.8-20.2 in)
Height643 mm (25.3 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)149-156.5 kg (328-345 lb)