Eric, your right about the 42 and it looks to be in pretty good shape overall and I think you are correct about the tanker it looks to be a 41. Nice collection of old honeycomb radiators for 30's era chevrolets also.
"If it ain't Steel it ain't Real" "Earth the insane aslyum for the rest of the Universe" 41 1/2-ton, a work in progress 68 Shortbed stepside 327/325hp/700R4