2009 Kenworth W900, C15 caterpillar , deleted ,550 Horsepower, 18speed, 3.36 rears, 11r22.5 tires. approximately 563,553 miles on the truck, & aprox: 120,000 miles on the engine.(short block, new head, front gears, water pump) Rear section of tranny was just rebuilt . New u-joints, 4 new batteries.