Power Rating
| Maximum Power | 800 HP 597 kW |
| Maximum Torque | 2696 lb-ft @ 1400 rpm 3655 Nm @ 1400 rpm |
| Rated Speed | 1800-2100 rpm 1800-2100 rpm |
| Minimum Power | 575 HP 429 kW |
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Industrial Diesel Engines C18
Request A Price Find DealerKey Specs
- Maximum Power
- 800 HP
- 597 kW
- Maximum Torque
- 2696 lb-ft @ 1400 rpm
- 3655 Nm @ 1400 rpm
- Emissions
- China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
- China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Overview
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.
Features At A Glance
Reliable, Quiet and Durable Power
Broad Application Range
Package Size
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
Product Specifications for C18
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 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 Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 5.7 in 145 mm |
| Stroke | 7.2 in 183 mm |
| Displacement | 1104.5 in³ 18.1 l |
| Compression Ratio | 16.3:1 16.3:1 |
| Aspiration | Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) |
| Combustion System | Direct Injection Direct Injection |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | - - |
Engine Dimensions - Approximate
| Length | 55.7 in 1414 mm |
| Width | 38.3 in 974 mm |
| Height | 49.5 in 1257 mm |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 3688 lb 1673 kg |
C18 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
See how C18 compares against frequently compared products.
Industrial
C18
Selected
- Maximum Power
- 800 HP
- 597 kW
- Maximum Torque
- 2696 lb-ft @ 1400 rpm
- 3655 Nm @ 1400 rpm
- Emissions
- China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
- China Nonroad III, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent, or Non-certified
Industrial
C15
- Maximum Power
- 595 HP
- 444 kW
- Maximum Torque
- 2004 lb-ft @ 1400 rpm
- 2717 Nm @ 1400 rpm
- Emissions
- China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
- China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
Industrial
C27
- Maximum Power
- 1150 HP
- 858 kW
- Maximum Torque
- 3876 lb-ft @ 1400 rpm
- 5255 Nm @ 1400 rpm
- Emissions
- U.S. EPA Tier 2 Equivalent
- U.S. EPA Tier 2 Equivalent