Ertl Peterbilt Model 579 Semi with Lowboy and New Holland 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 Peterbilt Model 579 Semi With Lowboy And New Holland Backhoe Loader Official New Holland And Peterbilt Licensed Products Ages 3 Years And Up