About

About Helwig Carbon Products, Inc. Stop bearing failure caused by VFD discharge with the industry's best electric motor shaft grounding — Helwig Bearing Protection Kits (BPKs)™ — and use the BPK-Probe™ Shaft Voltage Detection Device to determine if bearings are at risk of damage from discharge. Easy-to-install, maintenance-free BPKs protect bearings exceptionally for 10+ years, including in contamination and at high frequencies. Plus, one BPK model fits many shaft diameters. Proudly made in the USA. Helwig Carbon Products manufactures high-quality stock and custom-engineered traction motor brushes, dynamic brake blower brushes, alternator slip ring brushes, and other locomotive brushes for Class I, II, and III railroads. Helwig’s dependable grades, including popular traction grade H84, are formulated for long life in tough conditions. Helwig is AAR M-1003 and ISO 9001:2015 certified and keeps your motors running with short lead times, 98% on-time delivery, and local, on-site field support. With made-in-the-USA brushes manufactured in Milwaukee, WI, from raw materials supplied by our St. Mary’s, PA, plant, Helwig provides consistent quality and a reliable long-term supply. Contact us at techsquad@helwigcarbon.com for quotes on stock and custom-engineered brushes. Premier U.S. manufacturer of Self-Lubricating Carbon Graphite Seals, Vanes, Rotors, and Bushings; BPK Shaft Grounding to protect motor bearings from arcing, fluting, burnt grease, and eventual failure caused by VFD-induced discharge; Carbon Brushes and Holders; and much more! Based in Milwaukee, WI, Helwig Carbon has more than 750 high-quality parts in stock ready to ship and quick turnaround on custom-engineered solutions. With expert local field service and support, world-class engineers, unparalleled customer service, and more than 95 years in business, Helwig Carbon is your trusted partner to keep equipment running smoothly.