coal hopper built for GBRF by WH Davis
70-6955-200-0 to 70-6955-304-3 built in 2009
many were converted to biomass hopper with fitting of hinged roof doors 2011 - 2012
70-6955-305 to 70-6955-352-2 built 2012 - 2013 were built as biomass hopper with hinged roof doors