Replacement 3500 Lb Axle With 4 Inch Drop Spindle

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Question:

trailer axles 70 inch spring an 85 inch hub with 4inch looking this axle with hubs u bolts lug nut mounting plate

asked by: Leonard S

0

Expert Reply:

Assuming you need a 3500 lb axle, the # 8327812 with an 89 inch hub face to hub face and a 74 inch spring seat center to center spacing is the closest axle with a 4 inch drop spindle we offer to the dimensions you mentioned.

This axle could work for you if moving the tires two inches outboard and needing to remove the existing spring seats and installing # TRSS238 replacements at the proper 70 inch width would work for you. I'm not certain what you mean by a lug nut mounting plate. If you're speaking of a brake mounting flange, the # 8327812 axle already has them welded into place.

For a standard 3500 lb axle, you'd use the # APUBR-1 U-bolt mounting kit. Since you need hubs, I'd go with either the # 8327812-I axle which is the same as above which includes the idler hubs or the # 8327812-EB which is also the same axle, but includes the hub/drums and brake assemblies.

If that axle length won't work for you, you'll either need to order a custom axle from Dexter (we don't offer custom axles) or go with a Timbren Axle-Less suspension which doesn't require an axle beam and would replace your existing leaf spring suspension. It's available in a 3500 lb capacity with idler hubs as part # A35RD545 or with hub/drums and brake assemblies as part # A35RD545E. Both offer a 4 inch drop spindle.

You can see an install video for the Axle-Less suspension by using the provided link.

expert reply by: Mike L

0

Answer 1

The axle capacity of something like the Dexter Trailer Axle Beam with 4" Drop E-Z Lube Spindles - 89" Long - 3,500 lbs #8327812 refers to the amount of weight that it can carry; the weight of the tires, wheel, etc. are not part of the load…

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Answer 2

I have a solution for you, and it looks like you're aware that because these are mobile home axles, you will need to replace everything- the only caveat is that since the dimensions you provided are not standard, any axle you use will require…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 5

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 6

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

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Answer 7

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

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Answer 8

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 9

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 10

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 11

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 12

I have attached for you below some common torque values needed for a trailer suspension system but a lot of these will vary by bolt size and other factors. U-Bolts: Varies by Size - 1/2" bolts: 45 ft/lbs - 70 ft/lbs, 9/16" bolts: 65 ft/lbs…

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Replacement 3500 Lb Axle With 4 Inch Drop Spindle

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