Niles Nimmo

The BorgWarner Schwitzer S1B Turbocharger is one of the workhorse boosting units you will find bolted to mid-displacement diesel engines running in tractors, combines, generator sets, and off-highway machinery. It sits in the S1 family of the BorgWarner S200-generation frame, sized for engines in the roughly 4.0 to 7.0 liter range that need reliable, low-maintenance

The IHI RHF4 Turbocharger is one of the most widely used small-frame turbos in the world, powering everything from light commercial vans and pickups to compact marine diesels and industrial gensets. Its compact housing, quick spool, and proven reliability have made it a favorite among manufacturers building engines in the 1.5L to 3.0L displacement range.

The BorgWarner EFR Series Turbocharger represents one of the most significant leaps in aftermarket forced induction technology, bringing motorsport-grade materials and dual ceramic ball bearing cartridges to diesel builders who demand fast spool and reliable boost under heavy load. EFR stands for Engineered For Racing, but over the past decade these units have earned a

The BorgWarner B2 CHRA is one of those parts that quietly keeps thousands of medium-duty diesels on the road, and knowing when to swap just the cartridge versus the whole turbo can save you hundreds of dollars per job. The CHRA, or center housing rotating assembly, is the heart of any turbocharger. It carries the

The BorgWarner K27 Turbocharger is one of the most widely used medium-frame turbos in the European diesel world, powering everything from Mercedes-Benz commercial trucks to Deutz industrial engines and marine applications. If you run Mercedes OM-series diesels or wrench on European heavy equipment, chances are you have seen a K27 hanging off an exhaust manifold

The Garrett GT1749V Turbocharger is one of the most widely fitted variable geometry turbos in the diesel world, powering millions of Volkswagen TDI and Audi A4 engines built from the late 1990s through the 2000s. If you turn wrenches on European diesels, you already know this unit intimately, because you have almost certainly diagnosed one

The Garrett GT2056V Turbocharger is one of the most widely used variable-geometry turbos on the Mercedes OM642 3.0L V6 diesel and the 2007-2009 Dodge Sprinter, and if you turn wrenches on these vans and SUVs long enough, you’ll get to know this unit intimately. It’s a compact, VNT-style charger built to deliver strong low-end torque