Harley-Davidson Museum - This Day in Harley-Davidson History – April 6, 1931 – Harley-Davidson begins offering a reverse gear on the VL models. On April 6, 1931, Harley-Davidson announced that it would
Lot 42 - 1931 Harley Davidson Model D
1931 Harley Davidson 750cc - Classic Car Collection - Mario SueriasClassic Car Collection – Mario Suerias
1931 Harley-Davidson VL at Santa Monica 2013 as F238 - Mecum Auctions