Submerged Arc DC Wire Feeder The LT-7 Tractor is a self-propelled mechanized wire feeder, designed for the submerged arc process with track system capabilities. It is self-guiding and easy to operate – only one operator is usually required. It is designed to be used with a variety of Lincoln DC constant voltage and constant current power sources. The rugged, lightweight unit permits quick movement to the next joint. Its compact size fits through small openings and confined spaces. Butt and fillet welds can be made on heavy plate or steel as light as 12 gauge (2.5mm). The LT-7 Tractor is ideal for the following applications: ship and barge building, storage tank erection, bridge deck installation, beam, girder or column fabrication, and long seams on heavy weldments

Weather-Resistant Stick and TIG Welder The Invertec® stick and TIG power source is ideal for outdoor construction applications. This small package delivers outstanding performance on a wide range of electrode types and sizes. Plus it is built rugged enough to handle the toughest construction sites. Outstanding AWS E6010 and E7018 performance - using up to 7/32 in. (5.5 mm) diameter electrode that enables both whip and drag techniques for a variety of construction and fabrication applications. Touch Start TIG® - allows the welding arc to be established without high frequency starting. Air carbon arc cutting and gouging - with up to 3/16 in. (4.8 mm) diameter carbon electrode. Selectable Hot Start - turn it off for thin material or flip it on for thick, rusty or dirty material. Variable Arc Force - dial in the “soft” or “crisp” arc you want. All-in-one machine - 208/220/230/380/400/415/440/460/575 input volt settings–no single phase de-rating.