Three 6 axle MLW’s, all painted in multi mark, have just gotten their WB freight underway after the Smiths Falls crew change, next stop Toronto. 3 separate models are represented in this consist. The leader, 4712 is an M-636, class DRF-36a. The second unit, class unit 4500, is one of only 8 C-630M’s on the CP roster, class DRF-30c. The third unit is 4563 an M-630, class DRF-30d, and the unit now preserved at the Canadian Railway Museum in Delson PQ.