Dodge 2004 HB Durango - Manual (Page 257)

Trailer sway control and equalizing hitch are required for
tongue weights above 350 lbs. (159 kg).
Also, there are maximum tongue weight ratings that are
not to be exceeded, as follows:
• Class IV (the receiver hitch type) 1200 lbs (544 kg)
Gross Combined Vehicle Weight Rating (GCWR)
The Gross Combined Vehicle Weight Rating (GCWR) is
the MAXIMUM allowable weight of the towing vehicle,
including passengers and cargo, and the weight of the
loaded trailer. Calculate the maximum trailer weight
(MTW) by subtracting the towing vehicle’s weight, in-
cluding passengers, and cargo from GCWR.
Trailer Towing—Hitches:
With a Class IV Hitch, you can tow a trailer with a Gross
Trailer Weight of up to 8, 900 lbs. (4037 kg.) depending on
your vehicle equipment. The Trailer Tow Package in-
cludes the platform hitch receiver, and a 7 lead wiring
harness mounted on the hitch. Tongue weight must be
equal to at least 10% of GTW, but no more that 15% of
GTW.
NOTE: When towing a trailer, the following require-
ments must be adhered to:
• GCWR must not be exceeded
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