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 |
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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
Installation
Advanced Features
Ideal Applications
Total Cost of Ownership
Cat Dealer Product Support
Safety
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!
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C18 Tier 4
C18 Tier 4
C18 ACERT Industrial Engine Video Profile - Morbark 3800 Wood Chipper
