Holset 3799504 3799505 HE400WG Turbocharger Assembly

The Holset HE400WG is a wastegate-equipped turbocharger designed for the Cummins QSL9.3 and ISL9.3 engine platforms. It utilizes a cast iron turbine housing with an integral pneumatic wastegate valve for precise boost pressure regulation across the operating range. The compressor housing is aluminum alloy housing a forged milled compressor wheel. The rotor assembly features a Inconel 713C turbine wheel and steel shaft. This unit is lubricated and cooled by engine oil. Primary applications include LiuGong CLG855N wheel loaders, Dongfeng Tianlong heavy-duty trucks, and various excavators powered by Dongfeng Cummins (DCEC) or Guangxi Cummins (GCEC) QSL9.3 engines. The assembly replaces Cummins OEM part numbers 3799504 and 3799505.