Vintage 1980's Japanese Made - Dump Truck Plastic Toy With Friction Power And Chrome Plated Wheels - Brand New Shop Stock Room Find. Released by HS Of Japan in the 1980 as part of their series of Plastic Friction Powered Vehicles. This fantastic miniature Dump Truck measures 5 inches long by 3 inches high by 2 1/2 inchs wide, it has a friction powered motor that makes engine sounds, Chrome Plated Wheels and Raising Back. Shop Stock Room Find. Discovered in the store room of a closed down shop with a whole load of other items from a similar era. All Orders Received Before 4.00pm Monday To Fridays Are Shipped The same Day.