Replacement 26 inch Leaf Springs for Tandem Axle Trailer with GAWR 3,500

Question

Question:

I have a tandem axle boat trailer. GAWR is 3500lbs. Will these 26” springs work or will I need to bump it to the 4,000lb?

asked by: Alex

0

Expert Reply:

Hey Alex, yes the replacement leaf spring part # e77SR is exactly what you would need. It is correct axle rating and the correct length.

expert reply by: Jameson C

0

Jameson C.

1/19/2026

Hey Alex, how did the replacement leaf springs end up working on your boat trailer? Your update could make it easier for the next person matching springs to a similar axle rating.

Answer 1

We want to thank you for your recent purchase! You wouldn't need to use dielectric grease with a butt connector such as part #DW05714 (view video at the 1:16 mark) as electrical tape will work great. Heat shrinkable tubing such as part #DW05451…

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Answer 2

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 3

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 4

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 5

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 6

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Answer 7

The Demco Hydraulic Trailer Brake Actuator part #DM72VR should be a direct replacement for the Atwood 61101 Brake Actuator that you have now. This newest updated it rated at 7K instead of 6K. This is a bolt on option that mounts on 3" centers.…

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Answer 8

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 9

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Answer 10

Hey Robert, yes the Kodiak disc brake calipers part #KDBC225DAC that you referenced will replace the Tie Down calipers you have now 46304, they can be used as a left or right hand caliper and does come with ceramic brake pads. If you ever needed…

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Answer 11

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 12

Hey, Lance. The direction the springs are in doesn't matter. They can be to the front or to the rear of the axle and will perform the same either way. What kind of trailer are you working on?

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Replacement 26 inch Leaf Springs for Tandem Axle Trailer with GAWR 3,500

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