2025 Freightliner Cascadia. A new, sleeker aerodynamic profile gives the fifth generation cascadia a 1.9% fuel efficiency boost. With the fifth generation cascadia going into production in 2025, here’s a look back at the evolution of.

This 2025, pt126slp cascadia offers a 72 raised roof sleeper with a double bunk for maximum comfort and convenience. New 2025 cascadia 126, 72 raised roof tractor, double bunk, detroit dd15 505hp engine, 1750 lb ft torque, detroit diesel dt12 automated transmission, 12,500 lb front axle, 40,000 lb rear tandem axle, 2.85 rear axle ratio, 239 wheelbase, dual fuel tanks, 24 air slide fifth wheel,.