Weldon's Truck & Trailer provides truck and trailer repair in Kingman AZ — the only ASE certified mobile repair team with a 60-minute response on I-40 and US-93. We dispatch fully-equipped service trucks across a 200-mile radius covering Arizona, Nevada, California, and Utah. Fleet managers, owner-operators, and CDL drivers across the Southwest trust Weldon's for fast roadside assistance, honest pricing, and a 90-day workmanship guarantee on every job. Call (334) 759-7020 any time — a live dispatcher answers 24 hours a day.
When an engine problem stops your truck cold — a failed injector, runaway DPF, or sudden power loss — you need a diesel mechanic on-site fast, not a tow bill. Weldon's ASE certified technicians carry factory-level diagnostic laptops, Cummins and Detroit Diesel scan tools, and a full inventory of common engine repair parts on every call. Most diesel truck repairs are resolved roadside without a tow bill. We service Cummins ISX and X15, Detroit DD13 and DD15, PACCAR MX, Volvo D13, and Maxxforce engines — every make, every model. Learn about our diesel engine repair service.
Our roadside service team runs 24/7 along the two busiest commercial corridors in northwestern Arizona: Interstate 40 from the California state line through Kingman to Flagstaff, and US-93 from Las Vegas through Wikieup to Wickenburg. These highways carry thousands of loaded semis daily, and our dispatch knows every rest area, weigh station, and safe turnout along both routes. When you call, a live dispatcher answers immediately and routes the nearest available certified technician to your exact location — no hold music, no callback queue.
Most truck trailer breakdowns on I-40 and US-93 fall into five categories: blown steer tires, failed air brake components, electrical faults — dead trailer lights, bad glad hands, shorted wiring — DPF-triggered engine derates, and structural damage from dock impacts or debris strikes. When any of these leaves your rig on the shoulder, our road rescue team is dispatched immediately — we service Kingman and the surrounding region 24 hours a day, and we typically arrive before a standard shop could even call you back. Drivers stopped at the Kingman exit on I-40, a weigh station along US-93, or anywhere in the tri-state area can expect a certified truck repair technician on-site within 60 minutes. We stock the most commonly needed parts on every service truck — brake chambers, air lines, glad hands, lug nuts, marker lights, water separators, and starter relays — so most road rescue calls end with your rig rolling again the same visit. No tow, no extra downtime, no surprise invoice.
A steer tire blowout at highway speed is a serious safety event. Our mobile tire crew carries a wide range of commercial truck tire sizes and responds to blowout emergencies, flat tire response, and full replacements for all axle positions — steer, drive, and trailer. After every tire change we perform a quick DOT walk-around to check lug torque, brake adjusters, and lighting compliance, so you leave the scene safe and legal.
| Service | What's Included | Typical Response |
|---|---|---|
| Emergency Roadside Repair | Tire changes, brake adjustments, jump starts, air system repair, electrical diagnosis | 45–90 min |
| Diesel Engine Service | Engine diagnostics, DPF service, fuel system, turbocharger, sensor replacement | 60–120 min |
| Trailer Service & Welding | Structural welding, floor boards, landing gear, slider tandem, door hardware | Same day |
| Brake & Suspension | Air brakes, drums, shoes, slack adjusters, spring hangers, king pins, wheel bearings | 60–90 min |
| Tire Service | Blowout response, flat repair, full replacement — steer, drive & trailer axles | 45–60 min |
| Electrical & Lighting | DOT lighting, wiring harness, alternator, starter, ECM diagnostics, trailer plugs | 60–90 min |
| Hydraulic System | Hose repair/replacement, cylinder rebuilds, pump service for dump trucks & lift gates | Same day |
| Heavy-Duty Towing | Coordination with regional partners, load shift management, cargo re-securement | On request |
Our trailer service unit handles structural field welding, floor board replacement, landing gear repair, tandem slider problems, door adjustments, and rear frame damage — all on-site. Whether your dry van took a dock impact, your flatbed has a cracked stake pocket, or your reefer trailer's rear frame needs a weld, we diagnose and repair right where the trailer sits. Every completed welding job is inspected against FMCSA roadworthiness standards before we call it complete.
Some breakdowns require coordinated tow assistance. When that happens, we work with pre-vetted regional towing partners and stay on-site with your driver until the tow truck arrives. We also handle emergency load shifts and FMCSA-compliant cargo re-securement when freight has shifted mid-haul — preventing a citation or load rejection at the receiving dock. Fleet managers rely on us to manage the entire roadside incident, not just the mechanical side.
Our dispatch hub is at 3720 N Prescott St, Kingman, Arizona 86409, putting us minutes from I-40 and US-93. From Kingman we reach Needles and Barstow along I-40; Las Vegas, Henderson, and Boulder City via US-93; and Mohave County communities including Bullhead City, Lake Havasu City, and Golden Valley. We also cover the US-95 corridor through Fort Mohave and Topock, and regularly dispatch certified mobile technicians into Flagstaff and Prescott.
Fleet managers with regular Arizona–Nevada–California runs consistently call Weldon's the fastest, most reliable mobile repair partner in the Southwest. No hold music, no dispatch delays, no extra charge for nights or weekends. A live person answers every call, and a certified technician is rolling within minutes. That's the standard we hold ourselves to — honest work, fast response, and a 90-day workmanship guarantee on every job.
Owner-operators and fleet managers across Kingman AZ and the tri-state region trust Weldon's because every job is backed by ASE certified technicians, transparent pricing, and a 90-day workmanship guarantee. Our mobile units serve Las Vegas, Bullhead City, Flagstaff, Henderson, and everywhere in between — live dispatch answers 24/7, no extra charge for nights or weekends.
All guides • All tools • Read our trucking blog • Browse resources • FAQ