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Cat® C18 ACERT™ Industrial Diesel Engine Specifications
Minimum Power 575.0 bhp
Minimum Power 575 BHP
Maximum Power 800.0 bhp
Maximum Power 800 BHP

Power Rating

Minimum Power
575.0 bhp
Minimum Power
575 BHP
Maximum Power
800.0 bhp
Maximum Power
800 BHP
Rated Speed
1800-2100 rpm
Rated Speed
1800-2100 rpm

Emission Standards

Emissions
China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Emissions
China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified

General

Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
145 mm (5.71 in)
Bore
145 mm (5.71 in)
Stroke
183 mm (7.2 in)
Stroke
183 mm (7.2 in)
Displacement
18.1 L (1104.5 in³)
Aspiration
Turbocharged Aftercooled (TA)
Aspiration
Turbocharged Aftercooled (TA)
Displacement
18.1 L (1104.5 in³)
Compression Ratio
16.3:1
Compression Ratio
16.3:1
Combustion System
Direct Injection
Combustion System
Direct Injection
Rotation (from flywheel end)
Counterclockwise
Rotation from Flywheel End
Counterclockwise

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

Length
1388.2-1414 mm (54.6-55.7 in)
Width
921-974 mm (36.3-38.3 in)
Height
1243-1257 mm (48.9-49.5 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
1673 kg (3688 lb)

Engine Dimensions - Approximate

Height
1243-1257 mm (48.9-49.5 in)
Length
1388.2-1414 mm (54.6-55.7 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1673 kg (3688 lb)
Width
921-974 mm (36.3-38.3 in)
  • Air Inlet System
    • Turbocharged Aftercooled (429-470 bkW, 575-630 bhp)
    • Twin Turbocharged Aftercooled (522-597 bkW, 700-800 bhp)
    • Air-to-Air Aftercooled
  • Charging System
    • Charging alternator 24 volt, 50 amp
  • 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 or SAE No. 0 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