CAT® C18 ACERT™ INDUSTRIAL DIESEL ENGINE
The Cat® C18 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp) @ 1800-2100 rpm. These ratings meet China Stage II, U.S. EPA Tier 3 equivalent, and EU Stage IIIA equivalent emission standards. Ratings: 571-597 bkW (765-800 bhp) @ 1800-2100 rpm meet U.S. EPA Tier 2 equivalent emission standards. Non-certified ratings are also available at 429-522 bkW (575-700 bhp) @ 1800-2100. Industries and applications powered by C18 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers, Grinders, Compactors, Rollers, Compressors, Construction, Cranes, Dredgers, Forestry, General Industrial, Hydraulic Power Units, Irrigation Equipment, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers.
power rating
Minimum Power429.0 bkW
Maximum Power597.0 bkW
Rated Speed1800-2100 rpm


emission standards
EmissionsChina Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
general
Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
Bore145 mm (5.71 in)
Stroke183 mm (7.2 in)
Displacement18.1 L (1104.5 in³)
AspirationTurbocharged Aftercooled (TA)
Compression Ratio16.3:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
engine dimensions approximate final dimensions dependent on selected options
Length1388.2-1414 mm (54.6-55.7 in)
Width921-974 mm (36.3-38.3 in)
Height1243-1257 mm (48.9-49.5 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 1673 kg (3688 lb)
C18 ACERT™ STANDARD EQUIPMENT
- 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