Shacman X6000 6x4 Tractor Truck 600HP - High Roof Comfort Cab The Shacman X6000 6x4 tractor truck in high roof flat floor form is aimed at drivers who live in the cab for weeks at a time. It keeps the WP15H 15.5-litre engine family but tunes it to 600HP with 3000 Nm of torque, and adds the X6000's top interior package: a 2.5-metre-wide flat floor cab with twin sleeper berths, air suspension seating and a fully digital cockpit. Cab and Comfort Details Flat floor high roof cab