- Soo Line B-4 class
Infobox Locomotive|name=Soo Line B-4 class
powertype=Steam
builder=American Locomotive Company
builddate=1915 (6), 1920 (5)
gauge=RailGauge|ussg|lk=on
whytetype=0-6-0
uicclass=Ch2
driversize=convert|51|in|m|3|abbr=on
length=convert|58|ft|10 +3/8|in|m|2|abbr=on
width=convert|10|ft|5|in|m|2|abbr=on
height=convert|15|ft|3 +1/2|in|m|2|abbr=on
wheelbase="Loco:" convert|11|ft|6|in|m|2|abbr=on
weight=convert|151000|lb|t|abbr=on
weightondrivers=convert|151000|lb|t|abbr=on
tenderweight=convert|102900|lb|t|abbr=on
fueltype=Coal
fuelc
convert|16000|lb|t|abbr=on
waterc
convert|5000|usgal|abbr=on
cylindercount=Two, outside
cylindersize=20×26 in (508×660 mm)
valvegear=Walschaerts
boilerpressure=convert|180|psi|MPa|2|abbr=on|lk=on
tractiveeffort=convert|31200|lbf|kN|2|abbr=on|lk=on
railroad=Minneapolis, St. Paul and Sault Ste. Marie Railway (“Soo Line”)
railroadclass=B-4
numinclass=11
roadnumber=344–354
preservedunits=#346; #353
disposition=Two preserved, of which one is operationalThe Soo Line B-4 class were
0-6-0 steam locomotives constructed for the Minneapolis, St. Paul and Sault Ste. Marie Railway (“Soo Line ”) by theAmerican Locomotive Company . Six (#344–349) were built at their Schenectady plant in 1915, with a further five (#350–354) being constructed by their Brooks plant inDunkirk, New York in 1920.They were the last, and largest design of purpose-built switch engines that the Soo Line owned, any heavier switching duties were performed by down-graded
2-8-0 freight engines. All were still on the active roster in May 1953,cite web |url=http://kohlin.com/soo/may1953roster.htm |title=Soo Line Locomotive Roaster, May 1953 |accessdate=2008-05-29] but all had been retired by the end December 1954 when the railroad completed its dieselization.Two are preservedcite web |url=http://steamlocomotive.com/cgi-bin/search.cgi?line:MSP&SSM;country:USA |title=Surviving Soo Line locomotives |work=Steamlocomotive.com |accessdate=2008-05-29 ] - #363 from the first batch which is displayed at the
Wheels Across the Prairie Museum atTracy, Minnesota as Dakota, Minnesota and Eastern #9, and #353 from the second batch. which is operational today and gives free rides annually at theWestern Minnesota Steam Thresher's Reunion ,Rollag, Minnesota .References
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