Features Fully assembled and ready to operate Prototype specific details applied Super detailed fuel tank Sliding cab windows Lost wax cast brass horns Factory installed Celcon handrails See-through radiator fans, dynamic intake grilles and exhaust stack Plug and Play DCC wiring harness Next-generation drive mechanism with hex drive lines Directional headlights Machined RP25 profile metal wheels McHenry scale knuckle spring couplers installed