Steel cracks. Vibration, heavy loads, and rough roads find every tired weld and every weak bracket.
A broken air tank bracket, a cracked step, a torn-off mud flap hanger, or a crossmember that cracked under a heavy load can take a truck or trailer out of service over a small part. Finding a fab shop, moving the equipment, and waiting in line can cost days.
Mobile welding brings the welder and fabrication tools to you. It’s especially useful for trailers sitting in drop yards, dump trucks and equipment on jobsites around Knoxville, and trucks that can’t safely be driven with a broken mount.
What’s included with our Mobile Welding
- Cracked and broken brackets — air tanks, fuel tank straps, battery boxes, and exhaust
- Trailer crossmember repair
- Landing gear mounts and braces
- Mud flap hangers and fender brackets
- Bumpers and bumper brackets
- Steps, deck plates, and catwalks
- Rear impact guard repair
- Headache racks and flatbed stake pockets
- Dump body, tailgate, and hinge repairs
- Toolbox and service body mounts
- Simple brackets and plates fabricated to replace broken parts
What needs a shop instead
- Main frame rail repairs on tractors — many manufacturers restrict welding on heat-treated rails, and bad repairs weaken the frame
- Welding on fuel tanks, or near fuel, DEF, or hydraulic lines without proper prep
- Structural suspension parts like spring hangers and axle seats that require manufacturer-approved procedures
- Big fabrication jobs that need a shop, a lift, or a press
Aluminum work depends on the equipment and the part, so tell dispatch the material when you call.
Repair it where it sits, or tow it?
If the broken part is a bracket, mount, crossmember, or step, welding it on site is usually faster than moving the equipment — and often the only practical option for a trailer sitting in a drop yard without a tractor.
If the damage is to a main frame rail, a suspension hanger, or anything structural that locates the axles or fifth wheel, the repair has to follow manufacturer guidance and may belong in a shop. We’ll tell you if that’s the case.
Have this ready when you call
A few details up front help the mechanic load the right parts and tools and get it done in one trip.
- What’s broken and what it holds
- Whether the part is steel or aluminum
- Roughly how big the crack or break is
- Whether fuel, DEF, hydraulic, or air lines are close to the repair
- Where the truck, trailer, or equipment is parked, and whether it’s loaded
Makes & engines we work on
- Freightliner
- Peterbilt
- Kenworth
- Volvo
- Mack
- International
- Western Star
Class 6 through Class 8 trucks, including engines from Cummins, Detroit Diesel, PACCAR, Volvo, Mack, Navistar, and Caterpillar.
Mobile Welding around Knoxville & East Tennessee
Welding calls come from drop yards around Knoxville, construction sites and quarries in Knox, Blount, and Loudon counties, and dump and equipment fleets working the growth around Farragut, Maryville, Lenoir City, and Sevierville.
Highways we cover
Towns we cover
- Knoxville
- Farragut
- Maryville & Alcoa
- Oak Ridge
- Clinton
- Lenoir City & Loudon
- Sevierville & Pigeon Forge
- Morristown
Mobile Welding: common questions
Can you weld on a truck frame?
Main frame rails on most heavy trucks are heat-treated, and many manufacturers restrict welding on them. Brackets, crossmembers, and other components can often be welded. Frame damage is evaluated case by case.
Do you weld aluminum?
It depends on the equipment and the part. Tell dispatch the material and what’s broken so the right equipment comes out.
Is it safe to weld near a fuel tank?
Only with the right precautions. Nearby fuel, DEF, hydraulic, and air lines have to be protected or moved, and welding directly on fuel tanks is a job for specialized shops.
Can you weld a cracked trailer crossmember?
Yes, it’s a common mobile welding repair. Badly damaged or missing crossmembers may need to be replaced.
Do you fix dump bodies and tailgates?
Yes — cracked tailgate hinges, latch brackets, and body cracks are frequent jobs for dump fleets around Knoxville.
Can you weld in rain or wind?
Rain and strong wind affect both safety and weld quality. The mechanic will judge conditions on site.