TOMY Ertl Big Farm Peterbilt Model 579 Semi with Lowboy and Case IH MX305 Tractor Backhoe Loader Highly detailed Features a detachable lowboy trailer with removable arm and fold down ramps for easy loading and unloading of the tractor 1:32 Scale Big Farm Peterbilt Model 579 Semi with Lowboy and Case IH MX305 Tractor Backhoe Loader Official Case IH and Peterbilt Licensed Products Ages 3 years and up