Three C44-9Ws, two SD40-2s, an NS C40-9W and BNSF SD70MAC lead an extremely heavy Great Falls, MT to Denver, CO Manifest. Two units crapped out on them causing three more units on the rear to be added. The first six units seen here are online. The SD70MAC is offline and same with the DPU. Three more SD40-2s bring up the rear along with an Dash 9.