help need parts for a oklahoma joes fire box

[bigdaddys bbq]

i have a oklahoma joes smoker. serial number 1732648. i have no idea what model it is. does anyone know. or how old it is. i am needing the replacement bottom to the fire box that bolts on. i can not find parts for it anywhere on the internet. can anyone please help me get this old smoker back smoking again. i plan on completely taking it apart and refurbishing this smoker, sand blasting and new paint i just need a fire box bottom.  thanks for any help.