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Old 11-27-2015, 03:41 PM   #1
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Double hitch?

I am looking at the double hitch that Walmart has where I can hitch my dolly and have a spot for a bike rack. The new hitch says 4000 pds is there an issue with this set up?

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Old 11-27-2015, 04:09 PM   #2
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We found the 4,000lb limit on all double hitch extenders from Wal*Mart to Harbor Freight, to e-Trailer...like the one we have...
Dual Hitch Extender
Less than half the price of the Wal*Mart one.

No straight answer on why a ClassIII (5,000lb) hitch is de-rated to 4K, except assumption that these are like a lever on the receiver and therefore essentially increase the +/- and torque forces placed on the receiver.

Our toad is 3,500lb, plus 400lb dolly...and it is hanging on a 8" drop hitch to get it as level as viable. Have had no problems.
If your toad is under 4,000lb, it should be no issue. But I am no mechanical engineer.

Best luck

Kim and Steve, Mustang LCDR (USCG Ret), Outlaw #1193
"I have seen gross intolerance shown in support of tolerance", S.Coleridge 1797
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Old 11-27-2015, 06:59 PM   #3
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Watch the clearance that your dolly needs. I tried a couple of double hitches but there was not enough clearance for the surge brake mechanism on my Demco Kar Kaddy. I ended up taking one to a welder who cut it apart and raised the upper receiver. I think mine is a Reese and still has the 5000 pound capacity. I could have saved some significant $$ by buying from my local auto store rather than paying the freight to return one unit to e trailer.
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Old 11-29-2015, 04:39 AM   #4
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I have a Roadmaster 077-2 Dual Hitch Extension. Heavest duty I could find. Rated at 10,000 towing and 400 lb carrying cap. I tow our Subaru with bottom receiver and have my spare tire/Curt Spare Tire Carrier in top receiver.
Overkill as far as what I needed, maybe. Pricy...maybe. But you get what you pay for, and I trust this one will never let me down.
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