Western Star brought several different trucks to Mid America this year, including its soon-to-be-famous "Optimus Prime" big rig that's "loosely" based on an all-new 2015 model 5700 highway tractor design.
Western Star brought several different trucks to Mid America this year, including its soon-to-be-famous "Optimus Prime" big rig that's "loosely" based on an all-new 2015 model 5700 highway tractor design.