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. This information about Emissions describes the particular rating’s emissions technology. For more information about emissions certification, please contact your local Cat dealer.

Request a Quote
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Bore
145 mm (5.71 in)
Stroke
183 mm (7.2 in)
Displacement
18.1 L (1104.5 in³)

Product Specs

General

Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Bore
145 mm (5.71 in)
Stroke
183 mm (7.2 in)
Displacement
18.1 L (1104.5 in³)
Cooling System Capacity
26.9 L (28.4 qt)
Lube System (refill)
40-74 L (42-78 qt)
Aspiration
Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Compression Ratio
16.0:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Engine Configuration
In-Line 6, 4-Stroke-Cycle Diesel
Bore
145 mm (5.71 in)
Stroke
183 mm (7.2 in)
Displacement
18.1 L (1104.5 in³)
Cooling System - Capacity
26.9 L (28.4 qt)
Lube System - Refill
40-74 L (42-78 qt)

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

Length
1438 mm (56.6 in)
Width
943-1132 mm (37.1-44.6 in)
Height
1239-1356 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)

Length
1097-1153 mm (43-45.4 in)
Width
762-1112 mm (30-43.8 in)
Height
468-652 mm (18-25.7 in)
Weight
258-272 kg (569-600 lb)
Diameter
330.2-355.6 mm (13-14 in)

PETU Dimensions (Tier 4 Final, Stage IV Only)

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

Power Rating

Minimum Power
600BHP
Maximum Power
800BHP
Rated Speed
1800-1900

Emission Standards

Emissions
U.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. Designed to meet proposed EU Stage V Nonroad Emiss

Engine Dimensions - Approximate

Length
1438 mm (56.6 in)
Width
943-1132 mm (37.1-44.6 in)
Height
1239-1356 mm (48.8-53.4 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1580-1717 kg (3583-3785 lb)

Aftertreatment Dimensions - Approximate

Length
1097-1153 mm (43-45.4 in)
Width
762-1112 mm (30-43.8 in)
Height
468-652 mm (18-25.7 in)
Weight
258-272 kg (569-600 lb)
Diameter
330.2-355.6 mm (13-14 in)

PETU Dimensions - Tier 4 Final, Stage IV Only

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

Standard/Optional Features

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
    • 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
  • U.s. 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

Optional Equipment: