C18
Cat® C18 Industrial Diesel Engine
On construction sites and mining operations, in agriculture and forestry, and in a wide range of industries, Cat® C18 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.
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Broad Application Range
Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.
Package Size
Exceptional power density enables standardization across numerous applications. Multiple installation options minimize total package size. Ideal for equipment with narrow engine compartments.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
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
Additional information
| Offering Type | |
|---|---|
| Power Rating - Maximum Power | 597 kW ( 800 HP ) |
| Power Rating - Maximum Torque | 3655 Nm @ 1400 rpm ( 2696 lb-ft @ 1400 rpm ) |
| Power Rating - Rated Speed | 1800-2100 rpm |
| Power Rating - Minimum Power | 429 kW ( 575 HP ) |
| 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 |
| General - Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel |
| General - Bore | 145 mm ( 5.7 in ) |
| General - Stroke | 183 mm ( 7.2 in ) |
| General - Displacement | 18.1 l ( 1104.5 in³ ) |
| General - Compression Ratio | 16.3:1 |
| General - Aspiration | Turbocharged Aftercooled (TA) |
| General - Combustion System | Direct Injection |
| General - Rotation from Flywheel End | Counterclockwise |
| General - Aftertreatment | – |
| Engine Dimensions - Approximate - Length | 1414 mm ( 55.7 in ) |
| Engine Dimensions - Approximate - Width | 974 mm ( 38.3 in ) |
| Engine Dimensions - Approximate - Height | 1257 mm ( 49.5 in ) |
| Engine Dimensions - Approximate - Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1673 kg ( 3688 lb ) |
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