How Much Does Mobile Truck Repair Cost?
Mobile diesel mechanics charge differently than a brick-and-mortar shop — no shop overhead, but you pay for travel, specialty tools, and after-hours availability. Here's what real roadside repair costs look like.
If an eligible provider responds, RoadService.app shows the customer-facing all-in total — including the RoadService job fee when applicable — before you accept.
Typical cost ranges
Ranges reflect 2026 US market rates. Actual costs vary by region, time of day, parts availability, and make/model.
| Repair / service | Low estimate | High estimate |
|---|---|---|
| Mobile dispatch / trip fee Flat fee to roll a tech to your location; often credited toward labor. | $75 | $200 |
| Labor (per hour) Varies by region, time of day, and tech certifications. After-hours rates run 25–50% higher. | $120 | $220 |
| Diagnostic scan + fault-code read Includes scan-tool time and a written fault summary. | $100 | $250 |
| DPF forced regen + fault clear Roadside regen with scan tool; price rises if multiple regens needed. | $200 | $500 |
| DEF doser / sensor replacement Parts vary widely by make; Cummins vs. Detroit vs. PACCAR pricing differs significantly. | $300 | $900 |
| Air brake leak repair (line / fitting) Quick roadside fix; price goes up for slack-adjuster or s-cam issues. | $150 | $400 |
| Trailer wiring / lights Most common roadside repair; connector, pigtail, or LED replacement. | $100 | $300 |
What affects the price?
After-hours and weekend rates are typically 25–50% above standard. A 2 AM call on a Saturday will cost more than a noon weekday job.
Remote highway locations add travel cost. Some techs charge a flat trip fee; others bill travel time at their labor rate.
Common parts (sensors, fittings, pigtails) are usually in the tech's van. Specialty parts may need to be sourced, adding time and cost.
OEM parts cost 20–60% more than quality aftermarket alternatives. Ask which the tech carries and confirm before work starts.
A mechanic's bid is not necessarily the customer price. RoadService.app shows the customer-facing all-in total — including the RoadService job fee when applicable — before you accept.
FAQ — mobile truck repair cost
Expect $120–$220 per hour plus a trip fee of $75–$200. A typical roadside fault-code diagnosis and single repair runs $300–$800 total, depending on what's wrong and when you call.
The hourly rate is often similar, but you avoid downtime, towing costs ($500–$2,000 for heavy-duty), and lost revenue while your truck sits at a shop. For most roadside-fixable faults, mobile repair is the cheaper option.
If an eligible tech responds, RoadService.app shows the customer-facing all-in total, including any applicable job fee, before assignment. Any later price change requires separate approval.
DPF/DEF and air-brake faults are the most common heavy-duty roadside calls. A DPF regen and fault clear runs $200–$500; an air-brake leak fix runs $150–$400, not counting parts.
Find providers in the directory
Cost estimates reflect 2026 US market averages and do not constitute a quote. Actual prices depend on your location, vehicle make/model, fault severity, time of day, and provider rates. Always get an itemized quote before work starts.