The tractors will take to the streets of Marshalltown Saturday morning in the Marshalltown Mall`s yearly Great Tractor Ride. Vintage tractors lead the the Oliver Tractor of Marshalltown Broadcasting`s Todd Collins will go on parade around Marshalltown and return in time for display and a fundraising luncheon put on by the Pork Producers at the Mall around Noon time. The police will also contribute the use of their vintage 1966 police car which will make you think you have stepped out of Mayberry and watch for signs of Deputy Barney Fife. The route according to organizers will pass by all areas of the city where people would want to see them on parade including the nursing homes and the Iowa Veterans Home.