Correct Torque Spec For The Curt 30K Hitch Ball C40088

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Question:

Bought the Curt 40088 with the 2inch diameter shank. Torque instruction said 4550 lbs....how is that suppose to be accomplished? That 2 5/16 ball will be used to tow no more than 16k....The reason I got this item was for the shank length... What do I need to do Thank you

asked by: Rick H

0

Expert Reply:

There is definitely a typo in Curts instructions. I noticed that their website also says 4550 lbs. So this must have been entered incorrectly by someone at some point. The correct torque spec for the nut on the # C40088 is 450 ft lbs. I confirmed this with my contact at Curt.

Torquing something like this to 4550 ft lbs would not be physically possible. That would be way beyond anything any human could achieve. So unless those instructions were written by the Greek god Hercules, it is certainly a typo.

expert reply by: Jesse M

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Answer 1

What you can do is place the ball in the ball mount and thread the lock nut and nut on the shank hand tight. Then place the ball upside down in a bench vise, gripping the somewhere below the ball so you do not scrap up the ball. Then you can use a…

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Answer 2

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Answer 3

Hi Stephen; the problem with a standard extension is that it will reduce the capacity of the hitch by 50%. Assuming you can find an extension that is rated high enough your ACME 91471 is rated for 10,000 lbs. Cut that in half and you won't be…

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Answer 4

Hey Rob, A 7k axle would have a 3" diameter tube so the CE Smith U-Bolt Kit for Mounting 5.2K to 7K, Round Trailer Axles #CE23003 would be the correct fit. These kits are for one axle each so you'll need to purchase one for each axle on your…

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Answer 5

Hi Phillip, You'll need to take a couple quick measurements to determine the height setting for the 30,000 lb Curt PowerRide 5th Wheel Trailer Hitch for Ford Towing Prep Package #C48BR. Just measure from the ground to under the trailer's…

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Answer 6

I suggest the 24 by 24 by 18 inch Classic Accessories Fifth Wheel Hitch Cover #CA80116. This will fit nicely on your Curt Q25 #C16069. I've attached a picture of the cover on a Q20 so you can get an idea as to how it looks.

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Answer 7

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 8

From what I have found, the ALKO hub and drum assembly you have is for 7,000 lb axles. I believe the Dexter Trailer Hub and Drum Assembly for 5,200-lb to 7,000-lb Axles - 12" - 8 on 6-1/2 #8-219-4UC3 will work as a replacement. This has the same…

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Answer 9

The tire pressures called for either by the Chassis, RV or Tire manufacturer are the cold inflated tire pressures. There is no need to adjust the tire pressures while you drive unless you are travelling very long distances and in different climates.…

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Correct Torque Spec For The Curt 30K Hitch Ball C40088

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