CONTENTS / APRIL 2023 p. 8 Equipment Digging for the root cause As commercial vehicles add more complexity, searching for the root cause of component failures, as opposed to just swapping parts, may be the better long-term treatment. p. 12 ยป ON THE COVER In The Bay Trucking's fountain of youth found How fleets can keep their assets on the asphalt several years longer than they have grown accustomed to. p. 18 Shop Operations The post-pandemic parts plan Even as the pandemic shrinks in the rear-view mirror, supply issues still plague the vehicle maintenance industry. Here are the parts lessons gleaned from the tough times to help stakeholders move forward. SPOTL IGHT ON... p. 22 Electrical Building brainier batteries Battery systems have had to advance as commercial vehicles get smarter and rely more on electrical systems. p. 26 Brakes Decoding the disc vs. drum brake debate Brake experts discuss the maintenance differences between drums and ADBs and lifecycle advantages of each. Plus, how to visually identify wear and damage. p. 28 TMC TMC 2023 looks ahead A recap of some of the top stories from TMC's Annual Meeting. Want to contribute? Contact us at editor@FleetMaintenance.com DEPARTMENTS FROM THE EDITOR 6 Hitched Up A fresh approach to maintenance 38 Fleet Parts & Components What's new in products for more efficient fleet operation. 40 Tools & Equipment A roundup of the latest tool and equipment offerings. Healthy postpandemic parts strategies P. 18 41 Classifieds 42 Product Spotlight: eCommerce Cover photo: 532816817 | ryasick, 612637226 | tiero | Getty Images April 2023 | FleetMaintenance.com 3 Rooting out equipment issues P. 8 V IEWS FROM THE EXPERTS 34 Training Are you willing to invest in techs? By George Arrants ASE EDUCATION FOUNDATION 36 Guest Editorial Five questions to ask your lubricant technical expert By Darryl Purificati PETRO-CANADA LUBRICANTS Making old trucks new again P. 12http://www.FleetMaintenance.com