Replacement Options for 78" Long 3,500 Pound Dexter Axle

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Question:

Need a replacement for Dexter #3,500, D35 61877. 78” hub face, 68” spring center, 26” leaf spring hole center to hole center.

asked by: Brian D

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Expert Reply:

I do have a solution, but unfortunately we do not have a 3,500 lb axle that matches the length of your current axle. What I can offer is the Timbren Axle-Less Trailer Suspension System # ASR3500S05. This system will fit any frame width so it will work well as a replacement for your 78" axle.

It has a 3,500 lb capacity and can bolt or weld to the frame of your trailer. This system would also replace your current leaf springs. It uses L68149 inner and L44649 outer bearings so you won't have to replace your current hubs.

I have attached some review and installation videos for your reference.

expert reply by: Robin H

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Answer 1

Thank you for the photo and the "SC = 68.50" means you have a spring-center to spring-center length of 68-1/2 inches and the "D35" means the axle is rated for 3,500 lbs. While we do not carry any axles with those…

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Answer 2

The D44 on your axle tells me that you have a Dexter D44 axle, which has a 4400 lb capacity. Given that, and the length of the leaf spring you provided, the etrailer #e28SR would make for a good replacement spring. Increasing the capacity of your…

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Answer 3

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye…

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Answer 4

Hey Scott, so the braking and hub components of a Dexter 3,500 lb axle made in 1999 would be the same as what's currently used so those components would transfer over. So a bare axle like the part #T3584F-EZ-8974 would work for you but you'd…

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Answer 5

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 6

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 7

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 8

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 9

Hello 89 5, We do have a 3,500 lb axle with 89 inch hub face to hub face and 74 inch spring center to spring center that will work with a hub that has a 5 on 5" bolt pattern, but the hub just needs to be purchased separately as they don't…

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Answer 10

The bushings for the slipper springs in your Roadmaster Comfort Ride Leaf Spring Suspension Kit w/ Shock Absorbers - Tandem 7K Trailer Axles #RM-2460-2570 would not need grease so you can definitely swap out the wet bolts with some standard bolts…

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Answer 11

Hey Erick, the correct size Bearing Buddy to use with the axle part #e75SR is part #BB2441 which has an outer diameter of 2.441 inches.

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Replacement Options for 78" Long 3,500 Pound Dexter Axle

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