SW 1200 with DYNAMIC brakes

[ssghassett]

I'm looking  for  information on  SW1200's with DYN/Brakes like the  ones from the 50's used by logging outfits does anyone have any information on them?

[nanaimo73]

CANFOR Logging on Vancouver Island, British Columbia (north of Seattle) has 4 of them, with roadswitcher trucks. 3 were upgraded with Cat engines.

http://www.trainweb.org/rosters/CANFOR.html

http://forums.railfan.net/forums.cgi?board=Vancouver;action=display;num=1081205768

[Cris_261]

Interesting pictures! That's the first time I've seen pictures of a switcher with the air reservoirs mounted on the long hood.