- Limited edition - one time run of these numbers!
- Prototypes in service from the 1970s to the present
- Factory-installed grab irons
- Separately molded and applied side ladders
- Ultra-smooth rolling metal axles with correct 28" wheels
- Proto MAX(TM) metal knuckle couplers
PLEASE NOTE: As the Walthers Auto Rack is the correct prototype length, a minimum 24" radius is recommended for operation.