Winnebago - GMCMI


Winnebago | Forest City, Iowa | A GMC Transmode Motorhome Upfitter

We believe only one was produced.

 >> Please Help Us!

GMCMI along with GMC Motorhome Historian Bill Bryant are working on compiling additional information on the Transmodes. If you currently or previously owned a Transmode and have documentation and/or photos, we ask that you please do share them with the GMC Community. Please contact us at or 612-501-4600. Thank you.