Weldon Manufacturing, based in Fort Worth, Texas, a leader in Custom and OEM Truck modifications has been providing products and services to the transportation industry since 1979. Specializing in Custom Truck Sleepers from 28" to 96", Day Cab Conversions for today’s most popular sleeper trucks (both booted and integral), Truck Conversions and Modifications with special focus on Peterbilt and Kenworth Extended and Four Door Crew Cabs* in addition to Peterbilt Car Hauler Cab and Hood Modifications. *(Weldon's Four Crewcab has been tested by CAPE and meet or exceed NFPA specifications) Weldon’s many parts and Accessories to make YOUR TRUCK YOUR HOME ON THE ROAD round out our extensive product line. Our mission is to provide the best value in truck products and services in the transportation industry.