New | Cat® C1.5 Diesel Engine

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
Minimum Power24.7 BHP
Maximum Power40.2 BHP
Rated Speed2100-3000 rpm
Emission Standards
EmissionsU.S. EPA Tier 4 Final or EU Stage IIIA
Engine ConfigurationIn-Line 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 EndCounterclockwise
Cooling System - Capacity2.6 L (2.75 qt)
Lube System - Refill6 L (6.3 qt)
Engine Dimensions - Approximate
Height643 mm (25.3 in)
Length572 mm (22.5 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments149-156.5 kg (328.5-345 lb)
Width453-512 mm (17.8-20.2 in)
Aftertreatment Dimensions - Approximate
Diameter170 mm (6.7 in) (Tier 4 Final only)
Length449 mm, 17.6 in (Tier 4 Final only)
Weight13 kg (28.7 lb) (Tier 4 Final, >19 kW/25 hp only)

Meets U.s. Epa Tier 4 Final Or Eu Stage Iiia Emission Standards.

Substantial Torque Rise Delivers Impressive Performance Throughout A Wide Speed Range While Maintaining Low Operating Costs.

Single-side Servicing Improves Ease Of Maintenance And Simplifies The Servicing Routine. Standard 500 Hour Service Intervals.

Every Cat Engine Is Manufactured To Stringent Quality Standards In Order To Assure Customer Satisfaction.

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.

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)
  • 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



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