Limited edition - one time run of these schemes!
Factory-installed diaphragms
Drawbars for 22" or larger radius curves
Improved underbody details
Prototypes in Amtrak(R) and regional commuter service
Tinted windows
Authentic paint and lettering schemes
Correct GSI roller bearing trucks with 36" turned metal RP-25 wheels
Proto MAX(TM) metal knuckle couplers

As these cars are the correct prototype length and feature full underbody detail to match the prototypes, a minimum 24" radius is recommended for operation.