Gross Axle Weight; Rear Axles With Locking Or Limited-Slip Differentials; Driver-Controlled Differential Lock - Ford F-750 Owner's Manual

Gross axle weight

Your truck has gross axle weight, gross vehicle weight and gross
combination weight ratings. Do not exceed these ratings.
Exceeding these ratings by overloading can cause component
failure resulting in property damage, personal injury or death.

Rear axles with locking or limited-slip differentials

If your vehicle is equipped with a locking or limited-slip differential, note
the following:
• Power will be transmitted to the opposite wheel should one of the
wheels begin to slip.
• Both wheels must be raised off the ground should it be necessary to
operate one wheel with the vehicle stationary.
If both wheels are not raised off the ground, the one wheel that
is not raised may pull the vehicle off its support, possibly
resulting in personal injury

Driver-controlled differential lock

To prevent the vehicle from moving when servicing the wheels, tires or
brakes, turn the engine off and raise all drive wheels of the locker
differential axle. Axles equipped with NoSPIN Detroit Locker differentials
deliver power to both wheels even when only one wheel is on the ground.
Failure to raise all drive wheels with this type of differential
could cause the vehicle to move unexpectedly, resulting in
property damage, personal injury or death.
Care should be taken to avoid sudden accelerations when both drive
wheels are on a slippery surface.
Sudden accelerations on slippery surfaces could cause the
wheels to spin, the vehicle to turn sideways on a crowned road
surface or in a turn, possibly resulting in loss of vehicle control and
personal injury.
2007 F-650/750 (f67)
Supplement (supplement)
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Driving
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