7Specific GCWR applicable to a given F-650/F-750 model depends on many variables. SUPER DUTY F-650/750 — Regular Cab, SuperCab, Crew Cab 6.8L Triton® V10 gas 320 @ 3,900 460 @ 3,000 6.7L Power Stroke V8 Turbo Diesel 270 @ 2,400–330 @ 2,600 675 @ 1,600–725 @ 1,800 — TorqShift heavy-duty six-speed SelectShift automatic — Anti-Lock ...