Holset 3596629 Turbocharger Assembly HX35W

The Holset HX35W model 3596629 is a fixed geometry turbocharger designed for Cummins B series 5.9L diesel engines including 6BTAA, 6BT, 6BTA, and QSB variants. It utilizes a journal bearing system lubricated by engine oil pressure and features an integrated wastegate actuator for boost control. The turbine housing incorporates a T3 flange with a 10 cm² A/R ratio optimized for medium-duty industrial and construction equipment torque curves. This assembly serves as original equipment for Komatsu hydraulic excavators such as PC200-8 and PC220-7, as well as Hyundai R290LC-7 and R760 models. The compressor wheel inducer diameter measures 69.32 mm with a turbine wheel exducer diameter of 60.0 mm. Cross-referenced OEM part numbers include Cummins 4025402, 4035038, and 3596632. The unit weighs 16.4 kg and is supplied as a complete cartridge and housing assembly ready for direct bolt-on installation.