After the four C425's arrived they were generally the most common power around the Cheboygan area but other units could show up from time to time as this late evening shot of 974 and 181 awaiting ... (more)
DM RS3u 975 was rebuilt from B&M 1517 by MK in 1974 as a TE56-4A; with a chopped nose and 251 engine rated at 1800hp.
Fropm my slide collection B. P. CURRY.