Vintage 1973 Dinky Toys No. 437 Muir Hill 2WL Loader Diecast Metal Replica Vehicle Model - Shop Stock Room Find. Released by Dinky Toys in 1973, as part of there series of working vehicle Die-cast models, and is Dinky Model Number 437. This fantastic Muir Hill 2WL Loader Diecast Metal Replica Vehicle Model is finished with a Yellow die-cast bodywork with silver trim, it is a 1/43 scale model that measures 4 1/2 inches long and the features include raising and lowering arms, moveable scoop and free rolling wheels. Shop Stock Room Find. Discovered in the store room of a closed down shop with a whole host of other Dinky Toys from a similar era. Unopened, and still attached to the display plinth with the plastic cover still taped closed.