Vehicle Loading - Ford f-650 2013 Owner's Manual

Unloaded or Lightly Loaded Vehicles
WARNING: When operating empty or lightly loaded, sudden or
hard braking may induce wheel lockup with loss of vehicle
control and the possibility of accident and serious injury, especially on
wet or slippery road surfaces.
The braking system has been designed to safely stop your vehicle when
fully loaded to its GVWR.
2013 F-650/750 (f67)
Owners Guide gf, 1st Printing, October 2012
USA (fus)
Load Carrying 171