Holset Turbochargers are a long‑standing, OEM-trusted turbo brand engineered for Light, medium and heavy‑duty diesel engines, known for durability, efficiency, and strong power gains in demanding applications.
Holset Turbochargers is a globally recognized turbo technology leader founded in 1952 and now part of Cummins Turbo Technologies, with a core focus on diesel applications. Built for medium- and heavy‑duty engines, Holset units are factory‑equipped on many Cummins platforms as well as OEMs like Dodge, Ram, Volvo, Iveco, Detroit Diesel, and Scania, making them a top choice for fleets and performance diesel owners alike. Their advanced compressor and turbine aerodynamics, variable‑geometry designs, and robust high‑temperature materials deliver faster spool, higher torque, improved fuel efficiency, and lower emissions under real‑world load. With more than six decades of engineering, rigorous testing, and worldwide manufacturing, Holset continues to set the benchmark for reliable boost, long service life, and consistent performance in on‑highway, agricultural, industrial, and marine applications.
Holset turbos have been a core part of Dodge/Ram Cummins performance from the fixed-geometry HE351CW on the 5.9L trucks through the variable-geometry HE351VE and HE300VG on 6.7L applications. In the 2004.5–2007 5.9L era, the HE351CW delivered quick spool and solid towing power in a compact package that works well for mild tuning and towing builds when kept within its efficiency range. Moving into the 6.7L Ram platforms, Holset’s HE351VE introduced variable-geometry vanes and electronic actuation to improve low‑rpm response, engine braking, and emissions control, making it a workhorse for heavy‑duty towing and daily driving when properly maintained.
The latest Ram 6.7L trucks step into the HE300VG, which continues the VGT concept with refined aerodynamics, updated actuator strategy, and tighter integration with the Cummins ECU for smoother response, better transient boost control, and cleaner emissions. Together, the HE351CW, HE351VE, and HE300VG cover the evolution of Ram Cummins from simple wastegated fixed-geometry units to electronically controlled VGT systems, providing a balance of drivability, tow performance, and OEM reliability that has made Holset the default choice for many stock and mild performance builds in the Dodge/Ram lineup.
