Baltimore & Ohio Southwestern steam locomotives

Class Wheel
Arr.		 Dr.
Dia.		 Cylinders
Dia. x Stroke		 Boiler
Press.		 Ad.
Wt.		 EW
WO		 Grate
Area		 Evap.
Surface		 Sup.
Surface		 Remarks
1 0-6-0 51in 18x24in 140psi 39t 39t 14sq.ft. 1125sq.ft. none B&O D-21
3 0-6-0 51in 18x24in 140psi 41t 41t 16sq.ft. 1195sq.ft. none B&O D-22
8 0-6-0 48in 17x24in 120psi 31t 31t 14sq.ft. 765sq.ft. none B&O DODD
100 4-4-0 63in 18x24in 160psi 27t 41t 17sq.ft. 1210sq.ft. none B&O H-8
105 4-4-0 69in 18x24in 160psi 29t 44t 18sq.ft. 1460sq.ft. none B&O H-8
131 4-4-0 67in 18x24in 160psi 31t 47t 18sq.ft. 1280sq.ft. none B&O H-9
132 4-4-0 73in 18x24in 160psi 32t 49t 18sq.ft. 1280sq.ft. none B&O H-9
140 4-4-0 72in 20x24in 180psi 42t 61t 35sq.ft. 2045sq.ft. none B&O M-2
143 4-4-0 78in 20x24in 180psi 43t 63t 35sq.ft. 2045sq.ft. none B&O M-2
150 4-6-0 73in 15/25x26in 200psi 54t 69t 34sq.ft. 2415sq.ft. none B&O B-45
160 4-6-0 56in 19x24in 135psi 36t 46t 23sq.ft. 1570sq.ft. none B&O B-41
171 4-6-0 57in 19x24in 135psi 34t 44t 22sq.ft. 1355sq.ft. none B&O B-42
175 4-6-0 57in 19x24in 135psi 37t 45t 24sq.ft. 1415sq.ft. none B&O B-43
190 4-6-0 57in 19x24in 160psi 45t 56t 21sq.ft. 1745sq.ft. none B&O B-44
200 2-8-0 51in 20x24in 160psi 49t 55t 25sq.ft. 1925sq.ft. none B&O E-25
202 4-6-0 56in 20x24in 160psi 49t 59t 27sq.ft. 1910sq.ft. none B&O B-39
217 4-6-0 56in 20x24in 160psi 46t 58t 28sq.ft. 1935sq.ft. none B&O B-40
250 2-8-0 56in 21x28in 190psi 63t 69t 33sq.ft. 2120sq.ft. none B&O E-26
258 2-8-0 56in 15½/26x28in 200psi 66t 74t 33sq.ft. 2120sq.ft. none 236 tubes
260 2-8-0 56in 15½/26x28in 200psi 66t 74t 33sq.ft. 2250sq.ft. none 253 tubes

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