336 Excavator

  • Specs Summary
  • Minimum Power
    575 bhp (429 bkW)
  • Maximum Power
    630 bhp (470 bkW)
  • Emissions
    U.S. EPA Tier 4 Final, EU Stage IV nonroad emission standards. Designed to meet proposed EU Stage V nonroad emission standards.
  • Frequency
    1800-2000 rpm

Cat® C18 ACERT™ Industrial Power Unit

The Cat® C18 ACERT™ Industrial Power Unit is offered in ratings ranging from 429-470 bkW (575-630 bhp)@ 1800-1900 rpm. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

Power Rating

  • Minimum Power 575 bhp (429 bkW)
  • Maximum Power 630 bhp (470 bkW)
  • Frequency 1800-2000 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final, EU Stage IV nonroad emission standards. Designed to meet proposed EU Stage V nonroad emission standards.

General

  • Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
  • Bore 145 mm (5.71 in)
  • Stroke 183 mm (7.2 in)
  • Displacement 18.1 L (1104.5 in³)
  • Aspiration Turbocharged Aftercooled (TA)
  • Compression Ratio 16:1
  • Rotation (from flywheel end) Counterclockwise
  • Cooling System Capacity 26.9 L (28.4 qt)
  • Lube System (refill) 40-74 L (42.3-78.1 qt)

Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length 2172-2532 mm (85.5-99.7 in)
  • Width 1180-1241 mm (46.5-48.9 in)
  • Height 1912-2006 mm (75.3-79 in)
  • Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 2113-2650 kg (4658-5842 lb)

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

  • Diameter 330.2 mm (13 in)
  • Width 762-1112 mm (30-43.8 in)
  • Height 468-652 mm (18-25.7 in)
  • Weight 180-268 kg (397-590.8 lb)

PETU Dimensions (Tier 4 Final, Stage IV Only)

  • Volume Capacity 48.4 L (51.1 qt)
  • Length 854 mm (33.6 in)
  • Width 287 mm (11.3 in)
  • Height 551 mm (21.7 in)
  • Weight 19.42 kg (42.8 lb)

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

Optional Equipment