The 2026 Ford Super Duty F-450 Chassis Cab is built to work hard. Drivers near Lynnwood can choose between two strong engine options. The 6.7-liter Power Stroke V8 Diesel delivers up to 330 horsepower with turbocharged power. If you prefer gasoline, the 7.3-liter V8 engine offers up to 335 horsepower. Both engines pair with a 10-speed TorqShift automatic transmission that includes selectable drive modes like Normal, Tow/Haul, Eco, and Slippery Roads.