2018 Freightliner Cascadia, Detroit, DD15, 475HP, 13 Speed Transmission, Sleeper, , , Stock # 1759727 2018 Freightliner Cascadia, Detroit, DD15, 475HP, 13 Speed Transmission, Sleeper, , , Stock # 1759727 Rare manual transmission trucks. Multiple available!! Call Rush Truck Center Laredo for more information.