Lift Kit Options for Trailer with 3 inch Axles

Question

Question:

I have a 30 ft fifth wheel camper 3 inch axles I need lift blocks 4 inches long 2 inch lift 8-1/2 inch ubolts

asked by: Raymond P

0

Expert Reply:

We don't have lift blocks for trailer axles but we do have over under kits for 3 inch trailer axles like the part # K71-385-00 which is designed to move a trailer axle from being above a leaf spring to below it to gain a lift right at what you are looking for. Or if your axles are already below your springs you could use the Correct Track tandem axle lift kit part # RR23QX.

expert reply by: Jameson C

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Answer 1

Yes, the temperatures you mentioned are normal. If you were getting over 200 degrees that would be a bad sign. But typically if all of the hubs are the same temperature you're good and it's only really an issue if one of the hubs is hotter…

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Answer 2

To drop the front of the pin box and thus lower the front of the fifth wheel, you'd need to RAISE the pin box, not lower it. Lowering the pin box would raise the height of the fifth wheel at the front. If you have an available set of holes at the…

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Answer 3

The axle manufacturer should not be a factor for using the over under conversion kit #K71-384-00. You just need to have 2-3/8 inch diameter round axle and double-eye leaf spring suspension to use this kit.

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Answer 4

Increasing the tire and wheel size can increase the height of the trailer but it's usually quite minimal. Before you do anything else you should see if the pin box can be adjusted. Although you have to be careful here since This will lower the…

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Answer 5

On the 1/2 inch u-bolts in U-Bolt Kit for Mounting 5,200-lb to 7,000-lb, Round Trailer Axles - 7" Long U-Bolts Item #APUBR-8 torque the nuts to 70 foot pounds each. If you need a torque wrench we have #ALL944001 good for 10 to 150 foot pounds…

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Answer 6

Thank you for providing the photo and the detailed history of the wheel bearing issues with your Fleetwood trailer. A potential cause for bearing failure is the castle nuts being over tightened. Castle nuts should be just slightly more than hand…

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Answer 7

The difference in heat would lead one to believe that there is more friction on the rear #8-288-3UC1 hubs that could be caused by some worn out bearings. Periodically inspecting these parts is never a bad idea and will help reduce the chances of a…

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Answer 8

Since you have leaf springs that are most likely the 25-1/4 inch length unworn out the best leaf spring replacement would be the part #e34SR which is for 6k trailer axles. Since you wanted a slightly over rated spring this would work great.

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Answer 9

Adding the 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long #e34SR will only increase the height of your 2014 Grand Design Reflection 303 LS if your springs sit on top of the axle. The leaf thickness is 3/8" with an…

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Answer 10

The only way to know for sure if the 1/4 inch longer shackle straps, #TRSL225 (compared to the 2 inch long #TRSL200) will be a problem is to install them. The longer straps will likely mean they will be at a steeper angle once installed and that…

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Answer 11

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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Answer 12

Well shackle length is mainly based on the height difference between the front and rear hangers. The rear hanger normally doesn't hang as low as the front so that the shackle can offset the difference and add the ability to move. What is the…

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