They never made a 6WD to my knowledge . I think Nate used the 1.9 which are smaller then what I have . mine are 5" dia . I found some on RC machines in Germany I'm just hesitant to buy . they also have nice 1's that get me closer to the size I need on the 990 . I have foundation sill seal wrapped in the fronts . no matter how hard I tried to keep it from over lapping , It bounces . I gotta find the stuff Reg uses . All the furniture co's are gone in my area from when I was a kid
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