V = V8 from factory
3A = 3100 short half ton
59 = 1959
K = built at the KansasCity plant
120614 = unit production sequence/serial number
there's no other info in the vin .... never seen any lists of trim codes, but the paint code 738 is Frontier Beige, the J means "standard fleetside" which I think indicates all one color
Bill