1976-D250 0 #1 Posted April 11, 2020 (edited) Hi Guys I want to change fluid on my tractor the manual states SAE90/Hypoid but not sure if that's GL4 or GL5 fluids I currently have in my garage are in picture Amsoil GL4 75w90 Total 75w90 need to check what GL is I also have Lucas 75w90 GL5 and behind those bottles I also found Lucas 75w140 Edited April 11, 2020 by 1976-D250 Share this post Link to post Share on other sites
953 nut 55,771 #2 Posted April 11, 2020 The transaxle on a won't develop the kind of heat a car or truck would, I'm sure any of the oils you have will be fine. Share this post Link to post Share on other sites
