SPMT Self propelled modular trailer testing before delivery, compatible Goldhofer PST/SL CHINA HEAVY LIFT SPMT Self propelled modular trailer testing before delivery, compatible Goldhofer PST/SL 6 axle lines SPMT self propelled Modular Trailer with 360kw DEUTZ engine power pack unit (PPU), which is able to compatible with Goldhofer THP/SL heavy duty module and