Tractive effort ?? Login | Register | Lost your password? Home › Forums › General Discussion › Tractive effort ?? This topic has 2 replies, 2 voices, and was last updated 7 years, 2 months ago by Traian Trante. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts September 10, 2014 at 19:25 #7033 Traian TranteParticipant I understand that tractive effort is what is needed to carry more weight, however i want to know for instance a prussian G, how much weight can it actually have ? What is the formula we shoudl use for maximum train size related to tractive effort ? September 10, 2014 at 19:29 #7034 TylerEParticipant There isn’t one really. It all depends on gradients. September 10, 2014 at 19:30 #7036 Traian TranteParticipant on the medium slope. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘General Discussion’ is closed to new topics and replies.