The Cat™ C18 Industrial Power Unit is offered in ratings ranging from 429-470 bkW (575-630 bhp)@ 1800-1900 rpm. Conveniently pre-configured for a wide range of applications, the Cat™ Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.
Features
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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.
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High Performance
Simple and efficient turbocharger or series turbocharger for high power applications.
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Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
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Fuel & Oil
Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 10 ppm sulfur (EU) and 15 ppm sulfur (U.S.), and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.
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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.
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World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOS℠ 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
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Tier 4 Final, Stage IV Aftertreatment Features
Regeneration. Cat Regeneration System maximizes fuel efficiency during regeneration. Transparent regeneration maximizes uptime. Aftertreatment life is twice as long as engine rebuild
Mounting. Remote installation options provide OEM flexibility for many applications, including horizontal and vertical mounting.
Service. Minimum 5000 hour DPF ash service interval. PETU filter service is 5000 hours. PETU DEF capacity up to 48 liters (51 U.S. quarts)
Specifications
Units for specifications
Power Rating
| Maximum Power | 630 hp 470 kW |
|---|---|
| Maximum Torque | 2177 lb-ft @ 1300 rpm 2951 Nm @ 1300 rpm |
| Rated Speed | 1800-2000 rpm |
| Minimum Power | 575 hp 429 kW |
Emission Standards
| Emissions | U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV |
|---|
General
| Engine Configuration | 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 | 16.0:1 |
| Aspiration | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | DOC+DPF+SCR |
Power Unit Dimensions
| Length | 99.7 in 2532 mm |
|---|---|
| Width | 48.9 in 1241 mm |
| Height | 79 in 2006 mm |
| Weight | 5842 lb 2650 kg |
Aftertreatment Dimensions
| Width | 43.8 in 1112 mm |
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| Height | 25.7 in 652 mm |
| Weight | 591 lb 268 kg |
Aftertreatment Dimensions*
| Diameter | 13 in 330 mm |
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PETU Dimensions - Tier 4 Final Only
| Length | 33.6 in 854 mm |
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| 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 |
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
- Cat Regeneration System
- Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
- 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
- Cat Regeneration System
- Aftertreatment information applies to ratings from 429-522 bkW (575-700 bhp)
- 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