Calculate trailer towing capacityby Tom Jones
Forum member Emmer asked for validation of her towing capacity before leaving on her first trip.
Here are the specifications for Emmer's rig:
2005, Dodge Durango, 2WD, 4.7 SOHC Magnum. RearAxleRatio: 3.92 Wheelbase: 119.2 TV_GVWR: 6400 GCWR: 14000 CurbWeight: 4823 Class IV Tow package, Reese dual cam sway control hitch assembly rated for 1200 lbs.
Year: 2006 Coachmen Captiva 265EX GVWR: 6158 DryWeight: 4499 TongueWeight: 580 Length: appx 22 ft not expanded; 26.5 ft with rear slide out.
Here&'s the response showing the calculations:
Don't forget to add the weight of people, fuel, stuff and the tongue weight of the trailer to the curb weight of the tow vehicle. Also add the weight of any water, propane and stuff to the weight of the trailer. Our towing experts here also recommend giving yourself a 10% cushion, or 15-20% if towing in the western mountains.
Taking Emmer's specifications and making some assumptions:
Curb weight = 4823 lbs 2 people = 320 Fuel = 180 Stuff = 50 Trailer tongue weight = 580 Total laden weight = 5953 (GVWR = 6400)
Dry weight = 4499 lbs Water = 400 Propane = 80 Stuff = 500 Total weight of trailer = 5479 (GVWR = 6158)
Gross combined weight = 5593 + 5479 - 580 = 10852 (GCWR = 14000)
(don't count the tongue weight twice.)
It would appear that Emmer's rig is OK and has some headroom for towing in the western mountains.