Ratio extender use
Low End
A two-speed axle can be used as a ratio-extender when split shifting is
not necessary. For low end use, just shift the axle into LO to start out,
and shift to HI when the extra torque is no longer needed.
Transmission (5-speed) 1st 1st 2nd 3rd 4th 5th 6th
Two-speed Axle Axle Low Axle High
High End
To use the two-speed axle as a high end ratio-extender, stay in the LO
range for normal upshifts and only shift the axle to HI on the freeway for
greater road speed.
Transmission (5-speed) 1st 2nd 3rd 4th 5th 6th Speed
Two-Speed Axle Low for Gradeability Axle High
MAXIMUM VEHICLE LOADING
Every vehicle manufactured by Ford Motor Company is supplied with
information on the Vehicle Rating Decal listing the maximum loading for
the vehicle (GVWR), and its axle systems (GAWR) at the tire to ground
interface.
• U.S.
2007 F-650/750 (f67)
Supplement
USA (fus)
Driving
134
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