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GCW
GCW (Gross Combination Weight) is the weight of the loaded vehicle (GVW) plus the
weight of the fully loaded trailer.
GCWR (Gross Combination Weight Rating) is the maximum allowable weight of the
vehicle and the loaded trailer - including all cargo and passengers - that the vehicle can
handle without risking damage. (Important: The towing vehicle's braking syst em is rated
for operation at GVWR, not at GCWR. Separate functional brakes should be used for safe
control of towed vehicles and for trailers weighing more than 1,500 lbs). The GCW must
never exceed the GCWR.
Maximum Loaded Trailer Weight is the highest possible weight of a fully loaded trailer
the vehicle can tow. It assumes a vehicle with only mandatory options, no cargo (internal or
external), a tongue load of 1 0
_
15% (conventional trailer) or king pin wei ght of 15
_
25%
(fifth-wheel trailer), and driver only (150 lbs). Consult your dealership (or the RVand
Trailer Towing Guide provided by your dealership) for more detailed information.
Tongue Load or Fifth-Wheel King Pin Weight refers to the amount of the weight that a
trailer pushes down on a trailer hitch.
Examples: For a 5000 lb conventional trailer, multiply 5000 by 0.10 and 0.15 to obtain a
proper tongue load range of 500 to 750 lbs. For an 11,500 lb fifth-wheel trailer, multiply by
0.15 and 0.25 to obtain a proper king pin load range of 1,725 to 2,875 lbs.
Customer Informationand ReportingSafe ty Defects
Tire Information (U.S.A.)
9-39
Mazda3_8V66-EA-06F_Edition2 Page379
Friday, May 26 2006 10:56 AM
Form No.8V66-EA-06F