sorry it  a bachmann  b-23-7
where do i find the  decoder  for it  just bought this week at hobby shop ..

now i have three old style bachmann sd 45 now can i put the new dcc PC board  in my SD45
now  i have  as  Burlington northern  loco  # on  5491 it look like  a uboat with four axle.. it brand new it not dcc  i want  to converted to dcc  so can do all and what dcc unit do i use for  and number of them