C1.5

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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. 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. C1.5 engines, with rating 18.4 bkW (24.7 bhp) @ 1800 rpm meet U.S. EPA Tier 4 Final emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.

Power Rating

Units:
Minimum Power 24.7 BHP 18.4 bkW Less
Maximum Power 24.7 BHP 18.4 bkW Less
Rated Speed 1800 rpm 1800 rpm Less

Emission Standards

Emissions U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final 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

Height 643 mm (25.3 in) 643 mm (25.3 in) Less
Length 572 mm (22.5 in) 572 mm (22.5 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
Width 453-512 mm (17.8-20.2 in) 453-512 mm (17.8-20.2 in) Less

Aftertreatment Dimensions - Approximate

Diameter 170 mm (6.7 in) 170 mm (6.7 in) Less
Length 449 mm, 17.6 in 449 mm, 17.6 in 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

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.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Cutsomer 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
  • 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

Tier 4 Final Aftertreatment / Clean Emissions Control Equipment)
  • Diesel Particulate Filter (DPF)
  • Diesel Oxidation Catalyst (DOC)
  • Passive Regeneration System with Backup