New | Cat® C15 ACERT™ Diesel Engine

On construction sites and mining operations, in agriculture and forestry, and in a wide range of industries, Cat® C15 ACERT™ Industrial Diesel Engines deliver the power, performance and durability to take on the biggest challenges. More importantly, they're backed by the world-class Cat dealer network ready to service and support every Cat® industrial engine. 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.

Power Rating
Minimum Power475 BHP
Maximum Power580 BHP
Rated Speed1800-2100 rpm
Emission Standards
EmissionsU.S. EPA Tier 4 Final Nonroad, EU Stage IV Nonroad Emission Standards. Designed to meet proposed EU Stage V Nonroad Emission Standards. U.S. EPA Tier 4 Interim Nonroad Equivalent (Not Currently EPA Certified) and EU Stage IIIB Nonroad Equivalent (Non-C
Engine ConfigurationIn-Line 6, 4-Stroke-Cycle Diesel
Bore137 mm (5.4 in)
Stroke171 mm (6.73 in)
Displacement15.2 L (927.6 in³)
AspirationTurbocharged-Aftercooled (TA)
Compression Ratio17.0:1
Combustion SystemDirect Injection
Rotation from Flywheel EndCounterclockwise
Cooling System - Capacity26.9 L (28.4 qt)
Lube System - Refill38-72 L (40-76 qt)
Engine Dimensions - Approximate
Height1239-1248 mm (48.8-49.1 in)
Length1438 mm (56.6 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments1542-1666 kg (3395.5-3673 lb)
Width943-969 mm (37.1-38.1 in)
Aftertreatment Dimensions - Approximate
Diameter330.2-355.6 mm (13-14 in)
Height451.3-654 mm (17.8-25.7)
Length1053-1153 mm (41.5-45.4 in)
Weight258-272 kg (569-600 lb)
Width779.8-1112 mm (30.7-43.8 in)
PETU Dimensions - Tier 4 Final, Stage IV Only
Height551 mm (21.7 in)
Length854 mm (33.6 in)
Volume Capacity48.4 L (51.1 qt)
Weight19.42 kg (42.8 lb)
Width287 mm (11.3 in)

Meets U.s. Epa Tier 4 Final, Eu Stage Iv Emission Standards. Designed To Meet Proposed Eu Stage V Emission Standards (as Of Publishing Date, Stage V Regulations Have Not Been Finalized). U.s. Epa Tier 4 Interim, Eu Stage Iiib Configurations Are Also Available Using Epa Or Eu Flex Provisions.

Worldwide Service Delivers Ease Of Maintenance And Simplifies The Servicing Routine. If Applicable, Minimum 5000-hour Diesel Particulate Filter (dpf) Ash Service Interval Enables Low-cost Maintenance. Capable Of Optimal Oil Change Intervals Of Up To 500-hours, Depending On Rating, Application, Operating Conditions, And Maintenance Practices. Engine B10 Life Up To 10000 Hours For Tier 4 Final, Stage Iv. The S·o·ssm Program Is Available From Your Cat Dealer To Determine Oil Change Intervals And Provide Optimal Performance.

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

Standard Equipment

Air Inlet System
  • Turbocharged
  • Air-to-Air Aftercooled
  • Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage IV)
Control System
  • Electronic control system
  • Over-foam wiring harness
  • Automatic altitude compensation
  • Power compensated for fuel temperature
  • Configurable software features
  • Engine monitoring system SAE J1939 broadcast and control
  • Integrated Electronic Control Unit (ECU)
  • Remote fan control
Cooling System
  • Thermostats and housing, vertical outlet
  • Centrifugal water pump
  • Guidance on cooling system design available through your dealer to ensure equipment reliability
Flywheels and Flywheel Housing
  • Choice of SAE No. 0 or SAE No. 1 flywheel housing
  • Available SAE No. 1 power take off with optional SAE A, SAE B or SAE C power take off drives. Engine power can also be taken from the front of the engine with optional attachments. (Tier 4 Final, Stage IV).
Fuel System
  • MEUI injection
  • Primary fuel filter
  • Secondary fuel filters
  • Fuel transfer pump
  • Electronic fuel priming
Lube System
  • Open crankcase ventilation system
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Oil dipstick
  • Gear driven oil pump
  • Choice of front, rear or center sumps
  • Open crankcase ventilation system with fumes disposal (optional OCV filter system) (Tier 4 Final, Stage IV)
Power Take Off (PTO)
  • SAE A, SAE B or SAE C power take off (PTO) drives. Engine power can also be taken from the front of the engine on some applications.
  • Paint: Caterpillar yellow, with optional colors available at request
U.S. EPA Tier 4 Interim, EU Stage IIIB Aftertreatment / Clean Emissions Control Equipment
  • Cat Regeneration System
  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • NOx Reduction System (NRS)
  • Flex pipe connection kit with 90° rotatable elbows to attach to Cat Regeneration System Inlet
  • Available in 12 volt or 24 volt systems
U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment
  • Cat Regeneration System
  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • Aftertreatment Electronic Control Unit (ECU)
  • NOx Reduction System (NRS)
  • Pump Electronic Control Unit (PETU)
  • Selective Catalytic Reduction (SCR)
  • Available in 12V or 24V systems



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