GMCMI is a volunteer-run club celebrating the classic GMC Motorhome: sharing technical knowledge, social rallies, and an international community of owners and enthusiasts.
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©2026 GMC Motorhomes International
Don Casselman, long-time GMCMI member, passed away in 2017. Our condolences to his family.
GMCMI is a volunteer-run club celebrating the classic GMC Motorhome: sharing technical knowledge, social rallies, and an international community of owners and enthusiasts.