What type of wheel?

[stautz]

Can anyone identify this wheel? I thought it was a Model TT wheel but it looks more heavy duty.

http://s897.photobucket.com/albums/ac178/stevetautz/Wheel/

 

[Willie in Houston]

It is not a TT, center hub is way different.

 

[FRANK PKNY]

Is the brake drum cast iron? If I remember correctly the TT is pressed steel.