Southern Railway 1643

Southern Railway 1643
Power type Steam
Builder American Locomotive Company (Pittsburgh Works)
Serial number 32312
Build date September 1905
Configuration 0-6-0
Gauge 4 ft 8 12 in (1,435 mm)
Driver diameter 50 in (1.270 m)
Fuel type Coal
Boiler pressure 185 psi (1.28 MPa)
Cylinders Two, outside
Cylinder size 20 × 26 in (508 × 660 mm)
Valve gear Stephenson
Tractive effort 32,710 lbf (145.5 kN)
Career Southern Railway
Class A-7
Number 1643 (SOU), 12 (M&NF)
Retired 1952
Current owner Private
Disposition Stored

Southern Railway 1643 is a steam locomotive built in 1905 by the Pittsburgh Works of the American Locomotive Company for the Southern Railway. It is a 0-6-0 Switch engine of Southern's A-7 class.