HS Turbochargers America is a leading supplier of OEM turbochargers for 1500hp to 8000hp engines. In addition to supplying engine manufacturers, we also offer competitive retrofits. One of the most efficient single stage turbochargers ever produced, HS turbocharger retrofits often "payback" the retrofit costs within a single overhaul cycle due to reduced engine fuel consumption. We are currently offering retrofits for GE, CAT, Wartsila, and ALCO engines. For retrofits on other engine types, please contact us for addtional information.