Roundhouse Bill posted:Is there any difference between the new one and the U33 that you can see?
The Flyer U36C is just a rebranded Flyer U33C.
The early prototype U33C's had a taper on the overhang before the radiator. The later U33C's did not. The later U33C's were pretty much externally the same as the U36C.
Looks like the only difference on the model was blackening the grills:
Rusty