J Class Changes

NW Mailing List nw-mailing-list at nwhs.org
Mon Sep 1 21:25:08 EDT 2008

At some point, the earlier 1940s built Js, which were rated at 275lbs boiler pressure, were upgraded such that they were 300 lbs (610-613 were built that way).

Mark Peele
Catonsville, MD

More information about the NW-Mailing-List mailing list