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Can I Use Heavier Rated Leaf Springs on Trailer Without Causing Damage  


I have tandem axles rated at 7000 lbs each and of course my RV is rated at 15,500 GVW, obviously under rated from the manufacturer. My leaf springs need replacing. Is it advised to go with springs rated for GVW or only for axle rating. If I put springs rated heavier than axles, is there a chance for damaging axles?


Expert Reply:

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 to eye. The only thing you may notice is that the ride may be a bit stiffer with the heavier rated springs.

Please keep in mind upgrading to a 8,000 lb spring may require you to switch over to slipper springs instead of double eye springs. Which is possible by switching the hangers to slipper spring hangers and hardware but does require some work. The slipper springs are designed for heavier duty trailers.

expert reply by:
Heather A

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