Cat® C15 ACERT™ Industrial Diesel Engine

Cat® C15 ACERT™ Industrial Diesel Engine

The Cat® C15 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 328-444 bkW (440-595 bhp) @ 1800-2100 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, and EU Stage IIIA equivalent emission standards. Industries and applications powered by C15 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers.

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Power Rating

Minimum Power
Maximum Power
Rated Speed
1800-2100 rpm

Emission Standards

China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent


Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
137.2 mm (5.4 in)
171.4 mm (6.75 in)
15.2 L (927.56 in³)
Turbocharged Aftercooled (TA)
Compression Ratio
Combustion System
Direct Injection
Rotation (from flywheel end)

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

Length - Approximate
Width - Approximate
Height - Approximate
1377 mm (54.2 in)
926 mm (36.5 in)
1226 mm (48.3 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
1469 kg (3239 lb)

Standard Equipment

  • Air Inlet System
    • Turbocharged
    • Air-to-Air Aftercooled
  • Control System
    • Electronic governing, PTO speed control
    • Programmable ratings
    • Automatic altitude compensation
    • Power compensation for fuel temperature
    • Programmable low and high idle and total engine limit
    • Electronic diagnostics and fault logging
    • Engine monitoring system SAE J1939 broadcast and control
    • ADEM A4 Electronic Control Unit (ECU)
  • Cooling System
    • Thermostats and housing, vertical outlet
    • Jacket water pump, centrifugal
    • Water pump, inlet
  • Exhaust System
    • Exhaust manifold, dry
    • Optional exhaust outlet
  • Flywheels And Flywheel Housing
    • SAE No. 1 flywheel housing
  • Fuel System
    • MEUI injection
    • Fuel filter, secondary (2 micron)
    • Fuel filter, tertiary (2 micron)
    • ACERT Technology
    • Fuel transfer pump
    • Fuel priming pump
  • Lube System
    • Crankcase breather
    • Oil cooler
    • Oil filler
    • Lube oil filter
    • Front sump oil pan
    • Oil dipstick
    • Gear driven oil pump
  • General
    • Vibration damper
    • Lifting eyes
    • Cold start capability to -20° C (-4° F)
    • Paint: Caterpillar yellow, with optional colors available at request