Will Upgrading Leaf Springs Increase Trailer Weight Capacity

Published 11/08/2017

Question:

i had a snow bear 4 x 8 trailer given to me i was wondering if i can change the 2000lbs to 3000lbs by just changing the springs it has a solid tube axel so i thought i could change the springs and put some extra metal for load support lol thank you

asked by: Craig

Expert Reply:

If your leaf springs are the lowest rated component on your trailer then if you were to use leaf springs with a higher weight capacity, like part # e54SR, it would increase your total weight capacity. However, it sounds like you have a 2,000 lb axle weight rating. In that case upgrading your leaf springs to a higher weight capacity would not increase the weight capacity of your trailer.

Since you are always limited by the least rated component you will want to find that component and upgrade it. If the trailer itself is only rated for 2,000 lbs then you will not be able to safely carry any more weight than 2,000 lbs per the manufacturer's rating.

If you let me know what the least rated component is on your trailer I can make some recommendations for you.

expert reply by: Jon G