U3 class 0-6-0

Class U3c 6179 is stored Out-of-Service at unknown location and date. Bud Laws Collection
It is possible it never returned to service as it was scrapped in April 1937
Note the slide valves, indicative of a non-superheated boiler.

U3d 6224 Saskatoon, Sask. August 7, 1948 Howard W.Ameling/Bud Laws Collection
Although equipped with piston valves this engine is not superheated. Only the U3e sub-class (6260-6304) were superheated.
The last non-superheated steam locomotive on the CPR was DAR 6227 retired February 1957.

U3e class 6304 was the last 0-6-0 built by or for the CPR. Hundreds had preceeeded it, none would follow. They were used at yards big and small all across the system. Cyl. 18"x26" Drv.52" Press. 200 lbs. t.e. 27,500 Lt.Wt. Eng. 65 tons. Tender capacity 4 tons coal 3,500 gals. water. Built CPR Dec.1913. Shown at Winnipeg 10/15/47. William S. Kuba/Bud Laws collection