Regional Haul Model Operator's Manual - Peterbilt Motors Company

CONTROLS AND DISPLAY
DASH- AND DOOR-MOUNTED FEATURES
Two-Speed Rear Axle (Range) Switch
.
SHIFT AT ANY SPEED EXCEPT
IF A WHEEL IS SPINNING
WARNING! Placing the differential lock in the
“LOCK” position while your wheels are spinning
could cause loss of control or axle damage.
there could be an accident involving
death or personal injury. Switch to “LOCK”
only when your wheels are not spinning.
See “Interaxle Differential” on page 95 for more information
on using your interaxle differential.
RANGE SELECTOR
If your vehicle is equipped with a two-speed rear axle, you
can select the axle range by the dash mounted switch
shown above. The low range provides maximum torque
for operating off-highway. The high range is a faster ratio
for highway speeds.
Regional Haul (R05/10) Y53-6033 – 61 –