Your differentials put the power to the ground, and they work hard under heavy loads. Whining, vibration, leaking seals, or overheating are signs something needs attention. We diagnose and repair heavy-duty differentials, from fluid service and seal replacement to bearing, gear set, and carrier repairs. We find the root cause first, so a small issue gets fixed before it turns into a costly breakdown. We offer service in our shop or on-site with our mobile mechanic service.