Keith, Page 64 of the Vertical Boiler Locos book has the following:
4 coupled wheels 2 cylinders 12" dia x 16" stroke Walschaerts gear 8 ft wheel base # 0801-0802 wheel dia 3'8" # 0803-0836 wheel dia 3'6 1/2" remainder (unsure how many more, but there were a lot) wheel dia 4' boilers were all 9'6" high minimum dia of 4'6" and max dia of 6' Railmotors with the 3'6" wheels were on coaches of 59'6" Most Railmotors with the 4' wheels were on coaches of 70' These also had luggage compartments in the coaches all had gas lighting. If you need other info, please e-mail me. Dan Fuller
