Canadian Pacific Railway

HS-10 DTC-2 (Diesel Torque Converter) 500 hp (twin Caterpillar) 44-ton CLC #2981 3/57
Ogden shop switcher with newly out-shopped GP-9 8835.
Collection of Al Howlett
Note: These units were always referred to as "HS-xx" for Hydraulic Switcher.

HS-20 in company of a number of CLC H16-44's more than two dozen of which were the last F-M powered units
(except for three Train Master's) to be retired that month. Ogden June 1975 B.P.Curry/Bruce Chapman Collection.