HEAVY DUTY TRUCK SYSTEMS, Seventh Edition! This comprehensive, best-selling guide will help you gain the essential knowledge and skills needed to service medium- and heavy-duty trucks. You'll build a strong foundation in electricity and electronics, powertrain, steering and suspension, brakes, and accessories systems, as well as mastering practical topics like servicing, safety, tools, and preventive maintenance. You'll also benefit from full coverage of the latest ASE Education Foundation IMMR/TST/MST competencies and the latest truck technology, including J1939 updates and access tools, lock-out tag-out compliance, expanded PicoScope coverage, DIN wiring schematic navigation, and the five levels of semi- and fully autonomous trucks. With extensive review questions, over 1800 full-color photos and illustrations, and a standalone workbook with ASE Education Foundation task-oriented job sheets, this proven text is the perfect choice to prepare you for professional success.