ehamerstone
Jr.hogger1 & Agrotred40
Yeah I eventually figured that out for myself. Unfortunately SRS began to change its webhost and his download sit is currently down.Those SD60M tri-clops were made by SRS Trainz, not Northwest Trainz.
BTW news on a few things that could lead to a competition between TrainzStop and Jointed Rail.
TrainzStop(Trainaholic2946 on Youtube) has created SD60E's. Even NS 6920(Veterans Unit):

