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Big Stationary 3-Phase Welder Converted To Mount On Tractor 3-pt.
Melvin Carlson, Buffalo, Kan., converted a big stationary 3-phase, 475-amp Lincoln industrial welder into a portable unit by mounting it on his tractor 3-pt. and using the tractor pto to power it.
He mounted the welder, as well as a 5-speed truck transmission, on an old truck frame and built a 3-pt. mounting bracket on front of it. The tractor's 1,000 rpm pto drives the transmission, which faces backward in order to speed up the rpm's to 1,850. The transmission, in turn, shaft drives the welder.
"I carry it on my Case-IH 160 hp tractor and use it to weld corrals, fences, field implements, etc.," says Carlson. "I run the truck transmission in first gear so I can run the tractor at idle and still have enough power to operate the welder. The welder has a lot of capacity. In fact, I can use a 1/4-in. dia. welding rod at 300 amps.
"I bought the welder, which was probably made in the 1940's, cheap at an auction. The truck transmission has a 5 to 1 ratio which brings the tractor pto up to the right speed to operate the welder without damaging it. A combine's final drive could also be used to speed up the pto's."
To connect the transmission to the welder, Carlson removed a nut that was already on a shaft that secured the fan to the welder, then welded the nut to a U-joint on the transmission. He then screwed the nut and U-joint combination to the shaft and spot welded it in place so that it can't come loose.
Contact: FARM SHOW Followup, Melvin Carlson, Box 66, Buffalo, Kan. 66717 (ph 316 537-6590).

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1998 - Volume #22, Issue #2