From "East Broad Top", 1984, Rainey & Kyper, page 217:
M-1 gas-electric EBT blt 1/27
in operating condition
M-2 gas-mechanical EBT/ET&WNC blt 7/27
unsuccessful - scrapped circa 1929
M-3 gas-mechanical EBT blt 1928
built from 1928 Nash automobile.
M-4 diesel mechanical Plymouth 5308 blt 11/47
Four wheel Plymyouth Model JCD, Catapiller diesel engine, originally delivered to General Refractoried Company in Claysburg, PA. Sold December 1967 to Warner Corp. Used in their sand quarry operation in Union Furnace, PA until purchased by Kovalchick Salvage Company. Used as EBT shops switcher. In addition to M-4, two other semi-industrial locomotives were on the property in 1978-1980 awaiting possible use or disposal.
Doug vV