Can 6,000LB Double Eye Leaf Springs Be Used on Trailer With 3,500LB Axles?
Updated 02/03/2026 | Published 07/03/2024
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Question:
my 3500 springs keep breaking..can i upgrade to these?..my axles are 3500,but these 6000 ib spring lengths match..tired of broken springs..each spring i have handles 1750 lbs...these new ones handle 3000 a piece.. measurements match
asked by: Cecil
Expert Reply:
I would not recommend going all the way up to the 6,000LB Spring # e47SR as this would cause the suspension to not flex properly with the weight on the trailer. We do have the 4,000LB Spring # e57SR which is only 1/8" longer than the 3,500LB Spring # e54SR. This small difference in length will still work on your setup as the shackle bolts allow for a little play. Don't get hung up the 3,500lb and 6,000lb spring are both 4 leaf and the 4,000lb is only 3 leaf as it is a thicker leaf than the lighter spring. Also be sure to replace all the leaf springs at the same time especially since you are changing capacity.
Product Page this Question was Asked From
4-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/8" Long
- Trailer Leaf Springs
- Double Eye Springs
- 9/16 Inch Eye
- Nylon Bushings
- 6000 lbs
- 1-3/4 Inch Wide
- 4 Leaf
- 25-1/8 Inch Long
- Standard Grade
- etrailer
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Lazer S.
2/3/2026
Hey, how did the 4,000‑lb springs work out on your trailer? It sounds like they could give you a good balance between strength and proper flex. Sharing how they performed could help others dealing with the same broken spring issue.