My father sold them for 26 years from 59-85. We ran WC's, WD's, D17's, a 180, 190, and 8050. His first dozer was an HD5, then an HD6, and last but not least a 7GB Fiat Allis. I cut my teeth on orange tractors. Last one we sold from Pop's estate was the 8050. They were good at what they did. Allis was stubborn and stayed with the snap coupler too long before changing to 3 point. Don't know if that would have saved the name but the lineage is still there with Agco. Iconic name that I will was fortunate enough to have experienced in my youth