The Cat CT15 Engine from Caterpillar offers Cat CT660 Vocational Truck customers greater horsepower and torque for solid performance in demanding applications. The 15-liter engine is available with as much as 550 horsepower and 1,850 lb-ft of torque.
- Dual sequential turbochargers and precisely controlled high-pressure common-rail fuel system enable peak torque at 2,100 rpm
- Strong pulling power at low engine speeds allows for shifting at lower speeds when accelerating and reduces the need for shifting when powering up steep grades
- Interstage cooling between turbochargers increases air density to maintain power as speeds
- Increases productivity while reducing wear and tear
- Offers engine brake rated at more than 600 bhp to help drivers maintain optimum speeds down steep or long grades without frequent use of service brakes
- Advanced emissions control technology keeps truck weight down and simplifies maintenance
- EGR system reduces NOx in-cylinder without requiring diesel emission fluid
- Single electronic control module and fewer electrical connections enhance reliability and reduce diagnostic and maintenance time
- Foam-molded wiring harness secures wires and connections for increased reliability and durability
- Cam and rolling element valve train reduce friction and operational loads
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