ENGINE, DIESEL {Cummins X15 565} Performance Series, EPA 2024, 565HP @ 1900 RPM, 2050 lb-ft Torque @ 1000 RPM, 1900 RPM Governed Speed, 581 Peak HP (Max) TRANSMISSION, MANUAL {Fuller RTLOF-20918B} 18-Speed Manual, Double Overdrive, Air Shift, Internal Lube Oil Pump AXLE, REAR, TANDEM {Meritor RT-46-164P} Single Reduction, Standard Width, 46,000-lb Capacity, with Lube Oil Pump, Driver Controlled Locking Differential in Forward-Rear and Rear-Rear Axle, 200 Wheel Ends FULL SPEC IN SERVICE LOGS.