Holset 3772601 HX50G Turbocharger Assembly

The Holset HX50G turbocharger assembly (Part Number 3772601) is engineered for Weichai WT615 series natural gas and diesel-gas dual-fuel engines deployed in Sinotruk Howo heavy-duty truck platforms. This unit utilizes a 63.27 mm turbine wheel and a 46 mm superback compressor wheel configuration optimized for gaseous fuel combustion characteristics. The bearing housing is oil-cooled to manage thermal loads associated with high exhaust gas temperatures in stoichiometric gas engine operation. It serves as a direct replacement for Sinotruk OE number VG1238110004 and 1118300SBJ. The cartridge features a floating bearing system designed for extended service intervals in long-haul and construction logistics applications.