Power Rating
| Maximum Power | 800 hp 597 kW |
| Maximum Torque | 2736 lb-ft @ 1300 rpm 3710 Nm @ 1300 rpm |
| Rated Speed | 1800-2000 1800-2000 |
| Minimum Power | 575 hp 429 kW |
Sign In or Create Account
Sign In
Welcome! Sign In to personalize your Cat.com experience
If you already have an existing account with another Cat App, you can use the same account to sign in here
Register Now
One Account. All of Cat.
Your Caterpillar account is the single account you use to log in to select services and applications we offer. Shop for parts and machines online, manage your fleet, go mobile, and more.
Welcome Back!
My Account Dashboard
Account Information
Site Settings
Security
Industrial Diesel Engines C18
Request A Price Find DealerKey Specs
- Maximum Power
- 800 hp
- 597 kW
- Maximum Torque
- 2736 lb-ft @ 1300 rpm
- 3710 Nm @ 1300 rpm
- Emissions
- EU Stage V
- EU Stage V
Overview
Cat® C18
The Cat?� C18 Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm. Industries and applications powered by C18 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.
Features At A Glance
Product Specifications for C18
Emission Standards
| Emissions | EU Stage V EU Stage V |
General
| Engine Configuration | In-Line 6 In-Line 6 |
| Bore | 5.7 in 145 mm |
| Stroke | 7.2 in 183 mm |
| Displacement | 1104.5 in³ 18.1 l |
| Compression Ratio | 16.0:1 16.0:1 |
| Aspiration | Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) |
| Combustion System | Direct Injection Direct Injection |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | DOC or DOC+DPF+SCR DOC or DOC+DPF+SCR |
Engine Dimensions - Approximate
| Length | 56.6 in 1438 mm |
| Width | 44.6 in 1132 mm |
| Height | 53.4 in 1356 mm |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 3785 lb 1717 kg |
Aftertreatment Dimensions
| Length | 45.4 in 1153 mm |
| Width | 43.8 in 1112 mm |
| Height | 25.7 in 652 mm |
| Weight | 600 lb 272 kg |
Aftertreatment Dimensions*
| Diameter | 14 in 356 mm |
PETU Dimensions - Tier 4 Final Only
| Length | 33.6 in 854 mm |
| Width | 11.3 in 287 mm |
| Height | 21.7 in 551 mm |
| Weight | 42.8 lb 19.4 kg |
| Volume Capacity | 51.1 qt (US) 48.4 l |
C18 Standard Equipment
Air Inlet System
- Turbocharged
- Air-to-Air Aftercooled
- Mid-mount turbocharged system with front and rear exhaust configurations (Tier 4 Final, Stage V)
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 V).
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 V)
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 Final, EU Stage V 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
See how C18 compares against frequently compared products.
Industrial
C18
Selected
- Maximum Power
- 800 hp
- 597 kW
- Maximum Torque
- 2736 lb-ft @ 1300 rpm
- 3710 Nm @ 1300 rpm
- Emissions
- EU Stage V
- EU Stage V
Industrial
C15
- Maximum Power
- 580 hp
- 433 kW
- Maximum Torque
- 1958 lb-ft @ 1400 rpm
- 2655 Nm @ 1400 rpm
- Emissions
- U.S. EPA Tier 4 Final
- U.S. EPA Tier 4 Final
Industrial
C27
- Maximum Power
- 1050 hp
- 783 kW
- Maximum Torque
- 3448 lb-ft @ 1200 rpm
- 4674 Nm @ 1200 rpm
- Emissions
- U.S. EPA Tier 4 Final
- U.S. EPA Tier 4 Final
Use the comparison tool to compare detailed specs of Cat and competitor models.
Compare All Modelsassignment Product Brochures and More Are Ready to Download!
Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.
