Just got the specs from Ford on this beast...
F450 DRW, 4x2 or 4x4, Crew Cab only
GVWR 14,500
GCWR with 4. 30:1 axle and 6. 4L diesel - 26,000
GCWR with 4. 88:1 axle and 6. 4L diesel -
33,000
max trailer weight with 4. 88:1, 6. 4L diesel, and fifth-wheel -
24,500
Specs on the 6. 4:
Bore/Stroke: 3. 86 x 4. 13
Displacement: 390. 5 cid, 6400cc
Valvetrain: OHV, 4 valves per cylinder
Power: 350 hp @ 3000 rpm
Torque: 650 lb-ft @ 2000 rpm
Oil capaciuty: 15 quarts
Transmissions:
current ZF 6-speed and TorqShift 5-speed automatic
Gear Ratios - 6 speed manual
5. 79:1
3. 30:1
2. 22:1
1. 30:1
1. 00:1
0. 72:1
5-speed automatic
3. 11:1
2. 10:1
1. 55:1
1. 00:1
0. 71:1