CAT® C18 ACERT™ DIESEL ENGINE
On construction sites and mining operations, in agriculture and forestry, and in a wide range of industries, Cat® C18 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 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. C18 ACERT engines, with ratings: 429-522 bkW (575-700 bhp)@ 1800-1900 rpm, meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards and are designed to meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Ratings > 560 bkW (750 bhp) meet U.S. EPA Tier 4 Interim emission standards and are designed to meet U.S. EPA Tier 4 Final emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.
SPECIFICATIONS
Minimum Power447.0 bkW
Maximum Power597.0 bkW
Rated Speed1800-1900
power rating
Minimum Power447.0 bkW
Maximum Power597.0 bkW
Rated Speed1800-1900
emission standards
EmissionsU.S. EPA Tier 4 Final Nonroad, EU Stage IV Nonroad, U.S. EPA Tier 4 Interim Nonroad Equivalent (Not Currently EPA Certified) and EU Stage IIIB Nonroad Equivalent (Non-Current for EU) Emission Standards
general
Engine ConfigurationIn-Line 6, 4-Stroke-Cycle Diesel
Bore145 mm (5.71 in)
Stroke183 mm (7.2 in)
Displacement18.1 L (1104.5 in³)
AspirationTurbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Compression Ratio16.0:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
Cooling System Capacity26.9 L (28.4 qt)
Lube System (refill)40-74 L (42-78 qt)
engine dimensions approximate final dimensions dependent on selected options
Length1438 mm (56.6 in)
Width943-1132 mm (37.1-44.6 in)
Height1239-1356 mm (48.8-53.4 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)1580-1717 kg (3583-3785 lb)
aftertreatment dimensions approximate final dimensions dependent on selected options
Length1097-1153 mm (43-45.4 in)
Width762-1112 mm (30-43.8 in)
Height468-652 mm (18-25.7 in)
Weight258-272 kg (569-600 lb)
Diameter330.2-355.6 mm (13-14 in)
petu dimensions tier 4 final stage iv only
Length854 mm (33.6 in)
Width287 mm (11.3 in)
Volume Capacity48.4 L (51.1 qt)
Weight19.42 kg (42.8 lb)
Height551 mm (21.7 in)
C18 ACERT™ 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 - us epa tier 4 interim eu stage iiib aftertreatment clean emissions control equipment
Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
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 - us epa tier 4 final eu stage iv aftertreatment clean emissions control equipment
Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
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