oldiron613 583 #26 Posted June 1, 2021 Actually, with 16" wheels, that would be a model A Gibson, not a D. While the standard engine for both A and D models was a Wisconsin AEH, the larger AHH was offered. I had both an A and D model with the AHH and loved it; it's really a thumper. 1 1 Share this post Link to post Share on other sites
