2026 FREIGHTLINER Cascadia PJ126SLP Heavy Duty Conventional Sleeper Truck This Conventional Sleeper Truck features a(n) Detroit DD15 engine with 455 HP, paired with a(n) Detroit DT12-1850-DH 12 spd transmission. This Cascadia boasts a GVWR of Class 8 (33,001 lbs. or more) and a 72 in. Raised Roof sleeper with Double bunks. The 227 in. wheelbase rides on a(n) AIR suspension, with Tandem rear Axle ratio of 2.16 and RAWR 40000lbs With OEM backed support, wide selection, and unparalleled value.