Forum Discussion
DrewE
Feb 26, 2019Explorer II
I would be cautious putting that much weight on a typical class C trailer hitch that has a tongue weight limit of 500 pounds. The carrier puts a greater torque on the receiver than a normal ball hitch would (the weight is further out from the receiver), and so puts different and additional strains on the hitch and the frame extensions it attaches to than probably were expected. It may well be okay, or it may cause trouble; at the least, having a competent truck frame shop review the hitch and setup would not be a bad idea.
It would also be wise to see how much rear axle capacity you have left. Bear in mind that the additional weight on the rear axle will be greater than the weight put on the hitch (as the motorhome acts as a lever), I would guess somewhere in the vicinity of 600-700 pounds. The front axle, of course, will be unloaded by the same amount as the "extra" weight on the rear axle so that the total weight on both axles will increase by the actual weight of the carrier and bikes.
It would also be wise to see how much rear axle capacity you have left. Bear in mind that the additional weight on the rear axle will be greater than the weight put on the hitch (as the motorhome acts as a lever), I would guess somewhere in the vicinity of 600-700 pounds. The front axle, of course, will be unloaded by the same amount as the "extra" weight on the rear axle so that the total weight on both axles will increase by the actual weight of the carrier and bikes.
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