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Cat® C18 ACERT™ Industrial Power Unit

  • Overview
CALCULATE FINANCE

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

Simple and efficient turbocharger or series turbocharger for high power applications.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 10 ppm sulfur (EU) and 15 ppm sulfur (U.S.), and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

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.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOS℠ 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

Tier 4 Final, Stage IV Aftertreatment Features

Regeneration. Cat Regeneration System maximizes fuel efficiency during regeneration. Transparent regeneration maximizes uptime. Aftertreatment life is twice as long as engine rebuild


Mounting. Remote installation options provide OEM flexibility for many applications, including horizontal and vertical mounting.


Service. Minimum 5000 hour DPF ash service interval. PETU filter service is 5000 hours. PETU DEF capacity up to 48 liters (51 U.S. quarts)


Power Rating
Maximum Power 470 kW (630 HP)
Rated Speed 1800-2000 rpm
Minimum Power 429 kW (575 HP)
Emission Standards
Emissions U.S. EPA Tier 4 Final, EU Stage V
General
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 145 mm (5.7 in)
Stroke 183 mm (7.2 in)
Displacement 18.1 l (1104.5 inu00b3)
Compression Ratio 16.0:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+DPF+SCR
Power Unit Dimensions
Length 2532 mm (99.7 in)
Width 1241 mm (48.9 in)
Height 2006 mm (79 in)
Weight 2650 kg (5842 lb)
Aftertreatment Dimensions
Width 1112 mm (43.8 in)
Height 652 mm (25.7 in)
Aftertreatment Dimensions*
Diameter 330 mm (13 in)
Aftertreatment Dimensions
Weight 268 kg (591 lb)
PETU Dimensions - Tier 4 Final Only
Length 854 mm (33.6 in)
Width 287 mm (11.3 in)
Height 551 mm (21.7 in)
Weight 19.4 kg (42.8 lb)
Volume Capacity 48.4 l (51.1 qt (US))

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
    • Remote fan control
    • Configurable software features
    • Engine monitoring system SAE J1939 broadcast and control
    • Integrated Electronic Control Unit (ECU)
  • 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.
  • General
    • 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
    • Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
    • 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/ Clean Emissions Control Equipment
    • Cat Regeneration System
    • Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
    • 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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