Replacement Axle for 2007 Marine Master Trailer for 21 Foot Triton Boat

Updated 12/13/2021 | Published 12/11/2021

Products Featured in This Question

Trailer Axle with Idler Hubs - 4" Drop - 5 on 4-1/2 Bolt Pattern - 89" Long - 3,500 lbs

(432)

$387.95

Timbren Axle-Less Trailer Suspension - Standard Duty - No Drop - 4 Bolt Flange - 3,500 lbs

(128)

$1171.90

Question:

I am currently in search of a 4” axle that is 2”x2” square tube and leaf springs to replace my current axle. My trailer is an 07 tandem axle master marine trailer that Hauls a 21’ triton boat. I’m having a difficult time finding anything for this trailer or replacement parts.

asked by: Nick L

Expert Reply:

When it comes to finding a replacement axle, you need to know the length which is the hub face to hub face measurement, as well as the capacity. Although we do not have square axle replacements, I do have a solution. I recommend the Timbren Axle-Less Trailer Suspension System.

Since this system fits any trailer frame width, you will only need to find the capacity of your current axles to find the right replacement. This should be listed on the axle tag. If you are unable to find it on the axle tag you could divide the GVWR of your trailer by 2 since you have 2 axles and that will give you an idea. Once you have the axle capacity you will match it up with the Timbren.

For example, if you have 3,500 lb axles, you would want the Timbren Axle-Less Trailer Suspension System - Straight Spindle Only - 3,500 lbs # ASR3500S05.

If you can confirm your current axle capacity I would be happy to help you find the correct system for your trailer. I have attached a video review, along with all of the available Timbren systems which can be sorted by axle capacity for your reference.

expert reply by: Robin H