Black plate (29,1)
GMC Sierra Owner Manual - 2011
Driving and Operating
9-29
When using this upper load
platform, be sure the load is
securely tied down to prevent it
from shifting. The load's center
of gravity should be positioned
in a zone over the rear axle. The
zone is located in the area
between the front of each wheel
well and the rear of each wheel
well. The center of gravity height
must not extend above the top
of the pickup box flareboard.
Any load that extends beyond
the vehicle's taillamp area must
be properly marked according to
local laws and regulations.
Remember not to exceed
the Gross Axle Weight
Rating (GAWR) of the front or
rear axle.
Add-On Equipment
When you carry removable
items, you may need to put a
limit on how many people you
carry inside your vehicle. Be
sure to weigh your vehicle
before you buy and install the
new equipment.
Notice :
Overloading the
vehicle may cause damage.
Repairs would not be covered
by the vehicle warranty. Do
not overload the vehicle.
Remember not to exceed
the Gross Axle Weight
Rating (GAWR) of the front or
rear axle.
* Equipment
Maximum
Weight
Ladder Rack
and Cargo
340 kg
(750 lbs)
Cross Toolbox
and Cargo
181 kg
(400 lbs)
Side Boxes
and Cargo
113 kg per
side (250 lbs
per side)
* The combined weight for all
rail
‐
mounted equipment should
not exceed 454 kg (1,000 lbs).