The mobile mechanic is trucking's house call: the shop comes to you, at shop prices plus a delivery fee, and it's almost always the best money you'll spend on a breakdown — when it's the right tool. Here are the actual numbers, so the quote you get tonight lands on a brain that has context.
Nearly every mobile outfit bills the same three-part structure — knowing it lets you decode any quote:
| Call-out / service fee (getting the truck to you) | $150–$400 |
| Labor once on scene | $125–$200/hr |
| Parts (fair game for markup — ask) | varies |
| After-hours / weekend / holiday premium | +25–50% |
Distance drives the call-out fee — a mechanic twenty minutes away quotes differently than one crossing a county. Which is one honest reason to ask "where are you rolling from?" and a good reason to call somebody local instead of a national dispatch line that subcontracts to the same local guy at a markup.
| Jump start / battery service | $200–$400 |
| Batteries replaced roadside (parts + labor) | $600–$1,100 |
| Air line / gladhand / fitting repair | $250–$450 |
| Tire change (service + new tire) | $500–$900 |
| Belt or hose replacement | $300–$600 |
| Sensor swap (NOx, ABS, etc.), if they carry it | $350–$800 |
| Gelled fuel: heat, treat, filter | $250–$500 |
| Brake chamber / slack adjuster work | $350–$700 |
Regional swing on all of the above is real — the same job prices differently in rural Georgia and metro Chicago — and 2 AM Sunday is legitimately more expensive than 2 PM Tuesday. The ranges hold as a sanity check: a quote wildly above them deserves the question "walk me through that number," which honest operators answer and predatory ones dodge.
This is the comparison the whole decision hangs on. A roadside-sized repair via mobile mechanic: call it $300–$700 total. The alternative path — tow to a shop ($700–$1,800) plus the shop repair plus the downtime — starts around $1,500 and climbs. Anything a service truck can genuinely fix where you sit (batteries, lines, belts, tires, many sensors and no-starts) is a mobile call, and the limp-or-done triage tells you which side of the line you're on.
The honest limits, so you don't order the wrong tool: mobile can't do engine internals, transmission work, or anything needing a lift or a controlled environment — and a good mobile mechanic tells you that on the phone rather than billing you a call-out to say it in person. (The ones who do exactly that are the ones that end up on Roadmark's vetted list.)
Expect a service-call fee — often $150–$350 depending on distance and hour — plus an hourly labor rate commonly in the $125–$200 range. Parts on top.
When the repair is roadside-doable — tires, airlines, batteries, minor leaks — the math usually beats a hook. If it needs a shop anyway, paying a service call first just adds a line to the bill.
Exact location, truck and problem details, and photos if you can. The more they know, the more likely they arrive with the right part instead of billing a second trip.