We understand the impact downtime can have on your business, that’s why we strive to get your truck back on the road as quickly as possible. Conveniently located in Fresno, Ry-Den Truck Center is Central California’s medium-duty truck service expert. Ry-Den is the authorized service center for Isuzu, Hino, Fuso as well as UD Trucks. We are also the certified service center for the Cummins B6.7 engine.