A filthy 7027 (Alco S-2 #77385 6/45) sits with 6603 (MLW
S-10 #82408 1/58) on a siding east of the yard office at Parkdale. Note
that 7027 still has original single headlight and original Blunt trucks.
It would later get modified with roller bearings and newer style trucks
from smaller horsepower units such as 6603 behind it which would also
get roller bearings. Note too the combination pilot a Canadian invention.
Compare this to the much cleaner 7032 below which has newer twin sealed
beam headlight. It too got the newer style trucks but, would not get
roller bearings. As the 660 hp units were retired their trucks went
to 1000 hp units. Not all were done. This was because the Blunt truck
was very labour intensive to do a wheel changeout. Both photos September
1978 Randy Kotuby
