Recommendation for Adding Third Axle To Trailer Suspension
Published 06/11/2018
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Question:
I’m not really new at this,this is the third time I’ve done a triple axel change over but the first time for 35 inch spacing. the correct spacing for the hanger spacing is 30 1/2 x 35 back to 30 1/2 using a kit number K 71 453 not the 360 information was hard to fine but this is the correct setting
asked by: Larry B
Expert Reply:
The Dexter Heavy Duty Suspension Kit # K71-360-00 is designed for 33 inch axle spacing. To add your third axle, you cannot simply add a hanger spring and axle. You can keep your 35 inch spacing but you will need to relocate your hangers. I've attached an article to help with the proper positioning of your axles.
You will need to add another equalizer of the same dimension as you have to each side and then add the same leaf springs and shackle straps as what you currently have. You will use the same hanger as your front hanger for your rear hanger. Without knowing what you have, it would be really difficult to duplicate. You may want to consider just using a kit like the Triple-Axle Trailer Hanger Kit for Double-Eye Springs - 3-1/4" Front/Rear/Center # APTT5 and the difference in your spring length will account for the difference.
For your leaf springs, you can use the 6-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 26" Long # e94SR.
I've attached the 5,200 lb axle options we carry to assist with the hub face to hub face length and the spring seat to spring seat measurement on center.
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Dexter Heavy-Duty Suspension Kit for Triple-Axle Trailers - 1-3/4" Wide Double-Eye Springs
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- Boat Trailer
- Snowmobile Trailer
- Double Eye Springs
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Larry
6/11/2018
I’m not really new at this,this is the third time I’ve done a triple axel change over but the first time for 35 inch spacing. the correct spacing for the hanger spacing is 30 1/2 x 35 back to 30 1/2 using a kit number K 71 453 not the 360 information was hard to fine but this is the correct setting