U.S. Class 8 retail sales in May tumbled 62.5% — during the heart of the novel coronavirus pandemic — to just above 9,000 compared with a year earlier, WardsAuto.com reported. Truck sales hit 9,165 for the month, compared with 24,424 a year earlier. May notched the lowest sales since 9,712 in February 2011. Year-to-date sales were 69,379 compared with 111,332 in the 2019 period. Market leader Freightliner posted a 33.9% share. Freightliner is a brand of Daimler Trucks North America.