We believe this very rare Muir Hill 101 Tractor & 20 Ton Muir Hill Dump Trailer is 1 of only 2 in existence, and possibly the only one left in the world with an original Muir Hill’s patented ‘Hydra Hitch’ fitted! Originally supplied to British Gypsum in Kirkby Thore, Penrith on the 2nd April 1970 the tractor can...