martinschickram 0 #1 Posted May 18, 2016 i JUST BOUGHT A mod.SB-421 no manual ! need to change transmission fluid ! what do i use ? Share this post Link to post Share on other sites
953 nut 55,933 #2 Posted May 18, 2016 The manual should give you the answers you need. Here you go. Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,107 #3 Posted May 18, 2016 You will find all the 1982 models on one page with the specs on the next page. Garry Share this post Link to post Share on other sites