3E = 3600, 3/4T, 123.2" WB
59 = 1959
J = Janesville assembly plant
110329 = factory vehicle sequence # [serial]
beyond that, whatcha see is whatcha got - as far as the specific equiupment [engine, etc] the only way to tell is to find the numbers on the pieces and see if the date codes are 'about right' ... the rear is likely the standard 4.57
Bill