http://www.thefodensociety.org.uk Featuring, FGD6, 9cu/yd 6 wheeler dumpers with Gardner 6LW engines, and the half-cab variants some of which could be two stroke.. 6 cu/yd 4 wheeler dumpers, and finally the mighty FRD6/45, 28 ton capacity, Rolls 300bhp powered dumper with torque converter transmission.