If you operate a commercial fleet or own and drive your own rig, you have undoubtedly heard shops talk about "A Services" and "B Services." It is standard terminology in the heavy-duty trucking industry, essential for staying on top of scheduled upkeep. However, if you are a newer owner-operator, or if you've recently switched service shops, you might wonder what work is actually being performed when a mechanic says your truck is due for an A or B service. Are you just paying

For an owner-operator or fleet manager, downtime isn't just an inconvenience, it’s lost revenue. When your commercial rig is sitting in a bay waiting for a catastrophic fix that could have been avoided, you aren't making money. That is why a rigorous, proactive preventative maintenance (PM) schedule is the absolute backbone of a profitable trucking operation. At Highway Diesel Services in Tucson, AZ, we see firsthand what happens when maintenance is neglected, and conversely,

As a commercial truck driver, your semi-truck is more than just a vehicle, it’s your livelihood. Every mile you spend sitting on the shoulder of I-10 or waiting in a breakdown lane is money straight out of your pocket. While some mechanical breakdowns are sudden and unavoidable, the vast majority of semi-truck issues drop subtle hints before they leave you stranded. At Highway Diesel Services in Tucson, Arizona, we’ve been keeping heavy-duty rigs and trailers running smoothly

When summer arrives in Tucson, Arizona, the extreme temperatures don’t just test the endurance of drivers, they put immense strain on your equipment. For long-haul truckers and local owner-operators alike, extreme heat is one of the leading causes of roadside breakdowns. When you’re hauling heavy loads across the desert, a failure in your cooling system, tires, or electrical components means lost time and lost revenue. At Highway Diesel Services, we specialize exclusively in