MIKE - I know.... Lee was very clear in His book to point out it was a Home-made tractor made from H, HV, 300, & 350 parts. Diesel engine was from some Toyota or Nissan diesel pickup.
I've got a Stage II Super H in My shop at home Dad bought in the spring of '68. I'd like to find His old Super M-TA also to add to My collection.... Guy Fay wrote an article in RPM 4-6 months ago about the "H-TA" Prototypes. Also had a display from the IHC Archives at the Winter Convention in Madison, WI last winter. Not much I don't know or can't find about the FARMALL Letter Series from '39-'54. The little LVL tractors (A,B,C's) I've never been around any except for Cub Cadets.