Chicago Milwaukee & St. Paul 10200B

Facts and Figures

Current Number	10200B
Railway Represented	Chicago Milwaukee & St. Paul
Builder	General Electric
Built In	1915
Builder's order id	5023
Currently in (State)	Minnesota
--(Locality)	Duluth
Totally out of svc date	1977
(Initial retirement date)	1973
Car Type	locomotive
-subtype	half of freight boxcab set
-designation	Class EF-1
Status	displayed inoperable
More info
Gauge	4'8.5"
Construction	steel
Roof type	AR
Ended	SE
Length	56'0"
Width	10'0"
Height	14'11"
Weight	288000
#Seats	n/a
#Wheels/Conf.	12
Total HP	1670
Trucks	1-piece cast
Brakes	14EL (K14)
Compressor	GE CP34A1
Control	GE M
Motors	GE 253A (4)
Voltage (if not 600DC)	3000vDC

Locomotive 10200B on display at LSRM in 2013
Railroad Picture Archives
photo: http://www.rrpicturearchives.net/showPicture.aspx?id=3481543

Locomotive 10200B on display at LSRM in 2017
Flickr
photo: https://www.flickr.com/photos/101561334@N08/35387079443/

Car History by Frank Hicks

Chicago Milwaukee & St. Paul 10200A & 10200B This two-unit set of mainline railroad boxcabs is the last surviving set of locomotives from the original Milwaukee Road electrification. This pair was the first of 42 sets of two-unit GE boxcabs constructed when the Milwaukee Road electrified its Mountain Division between Deer Lodge, Montana and Avery, Idaho in 1914 and 1915. These locomotives were the state-of-the-art when built and could outperform contemporary steam engines of similar size; most of them operated for over half a century. Originally classified EF-1, in 1960 set 10200AB (by this time renumbered E50AB) was rebuilt with the addition of two more "middle units" to act as boosters. These had formerly been E56B and E64B, and the new four-unit set was designated number E50ACDB, class EF-5 (E50AB later lost these middle units and became a three-unit set with E47C as the booster). Set E50 was originally assigned to the Coast Division in Washington but it ran on the Mountain Division during its last years. Retired in August 1973 following a frame failure, E50AB was set aside by the Milwaukee Road for preservation as the railroad's very first electric locomotive. It was restored to its approximate original appearance and put on static display at LSTM, where it still remains.

Ownership History

Owner	Car Num	From	To	Preservation?	Loan?
Chicago Milwaukee & St. Paul (Wisconsin, Milwaukee)	10200B	1915	1927	NO	NO
Chicago Milwaukee St. Paul & Pacific (Wisconsin, Milwaukee)	10200B	1927	1939	NO	NO
Chicago Milwaukee St. Paul & Pacific (Wisconsin, Milwaukee)	E50B	1939	1977	NO	NO
Lake Superior Railroad Museum (Minnesota, Duluth)	10200B	1977	present	YES	NO