SHACMAN X3000 6x4 430HP Tractor Truck The X3000 6x4 is the workhorse of the SHACMAN highway range. This 430HP unit runs a Weichai WP12 engine paired with a Fast Gear 12-speed manual box, and it is set up mainly for port shuttles, container movements and general bulk haulage where a strong, fuel-efficient head is what matters most. Powertrain Weichai WP12.430E50, 430HP / 316kW, Euro V Fast Gear 12JSD200T-B, 12 forward + 2 reverse 430mm diaphragm clutch, MAN 7.5T front axle MAN