Specializing in Miller Bobcat & Lincoln Ranger Welders

Fast, honest repair and rebuild service for working welders in and around Oklahoma.

FAST TURNAROUND

We know downtime costs you money.

EXPERT DIAGNOSTICS

We find the problem and fix it right.

QUALITY WORKMANSHIP

Repairs and rebuilds done the right way.

FAITH & INTEGRITY

We treat every customer honestly and fairly.

OUR SERVICES

WELD OUTPUT & ELECTRICAL DIAGNOSTICS

We specialize in accurate weld output diagnostics and electrical troubleshooting exclusively for engine-driven welders like Miller Bobcat, Lincoln Ranger, and Hobart Champion. Our focus is spot-on diagnosis to get your machine back to its proper output quickly and reliably.

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ENGINE REPAIR

Specializing in Kohler, Onan, and Subaru/Robin engine repair and preventive maintenance, with parts on hand for faster turnaround, plus full rebuilds and new engine sales to keep your welder working when you need it. We offer a 60day/150hour written warranty on all engine rebuilds.

Call for Repair

WELDER REBUILDS & REFURBS

We handle everything from freshening up a tired, run-down machine to full frame-off restorations. Our services include complete mechanical refurbishing, cosmetic upgrades, and functional improvements to bring your machine back to life.

Learn About Rebuilds

WE BUY ENGINE-DRIVEN WELDERS

Whether you've got a single unit that's seen better days or a whole trailer load from a job site, Cornerstone Welders is buying. We deal in engine-driven welding machines in any condition—running or not. We're square dealers looking to keep Oklahoma's iron in service.

WE PAY CASH & HANDLE THE PICKUP. NO LOAD TOO BIG OR SMALL.

MARINE CORPS VETERAN OWNED

Built on Faith & Hard Work

"Make it your ambition to lead a quiet life: You should mind your own business and work with your hands, just as we told you." 1 Thessalonians 4:11