U.S. Railroad Administration steam locomotives

Class Wheel
Arr.		 Dr.
Dia.		 Cylinders
Dia. x Str.		 Boiler
Press.		 Ad.
Wt.		 EW
WO		 Grate
Area		 Evap.
Surface		 Sup.
Surface		 Remarks
0-6-0-A 0-6-0 51in 21x28in 190psi 74t 74t 33sq.ft. 1890sq.ft. 475sq.ft.  
0-8-0-A 0-8-0 51in 25x28in 175psi 97t 97t 47sq.ft. 2775sq.ft. 615sq.ft.  
2-8-2-A 2-8-2 63in 26x30in 200psi 100t 132t 67sq.ft. 3775sq.ft. 880sq.ft. Light
2-8-2-B 2-8-2 63in 27x32in 190psi 108t 145t 70sq.ft. 4285sq.ft. 995sq.ft. Heavy
2-10-2-A 2-10-2 57in 27x32in 200psi 124t 160t 76sq.ft. 4660sq.ft. 1085sq.ft. Light
2-10-2-B 2-10-2 63in 30x32in 190psi 133t 172t 88sq.ft. 5155sq.ft. 1210sq.ft. Heavy
4-6-2-A 4-6-2 73in 25x28in 200psi 73t 126t 67sq.ft. 3340sq.ft. 795sq.ft. Light
4-6-2-B 4-6-2 79in 27x28in 200psi 89t 139t 71sq.ft. 3825sq.ft. 885sq.ft. Heavy
4-8-2-A 4-8-2 69in 27x30in 200psi 102t 148t 70sq.ft. 4120sq.ft. 965sq.ft. Light
4-8-2-B 4-8-2 69in 28x30in 200psi 110t 160t 76sq.ft. 4660sq.ft. 1085sq.ft. Heavy
2-6-6-2-B 2-6-6-2 57in 23/35x32in 225psi 162t 203t 76sq.ft. 5445sq.ft. 1290sq.ft. Mallet
2-8-8-2-B 2-8-8-2 57in 25/39x32in 240psi 217t 241t 96sq.ft. 6120sq.ft. 1475sq.ft. Mallet

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