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East Broad Top No. 12
United States | 1911 | only one produced
In June 1961 in Rockhill Furnace, Pennsylvania
In June 1961 in Rockhill Furnace, Pennsylvania
collection Taylor Rush

The East Broad Top operated six Mikados, all of which survive to this day. The oldest of these is No. 12, which was christened “Millie”. Like her newer sisters, she had 48-inch diameter drivers, but was lighter and had smaller cylinders. When the EBT was reopened in 1960 as a complete heritage railway with all its equipment, number 12 remained in service with three of her sisters until she had to be retired in 2000 due to wear and tear. After the railroad had reopened in 2020 under new ownership, the locomotive remains inoperable and it remains to be seen if she will be refurbished.

General
Built1911
ManufacturerBaldwin
Axle config2-8-2 (Mikado) 
Gauge3 ft (Three feet)
Dimensions and Weights
Wheelbase26 ft 2 in
Fixed wheelbase13 ft
Total wheelbase48 ft 10 1/2 in
Service weight112,000 lbs
Adhesive weight88,000 lbs
Total weight172,000 lbs
Axle load22,000 lbs
Water capacity3,000 us gal
Fuel capacity12,000 lbs (coal)
Power
Power sourcesteam
Estimated power800 hp (597 kW)
Optimal speed23 mph
Starting effort22,108 lbf
Power Plant
Driver diameter48 in
Boiler pressure180 psi
Expansion typesimple
Cylinderstwo, 17 x 24 in
Boiler
Grate area32.2 sq ft
Firebox area110 sq ft
Tube heating area1,576 sq ft
Evaporative heating area1,686 sq ft
Total heating area1,686 sq ft
Calculated Values
steam locomotive
freight
narrow gauge
last changed: 08/2023
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