Should 4,000 lb Leaf Springs be Used on Boat Trailer With 3,000 lb GVWR
Question:
I attached a picture of my boat trailers label. Do you have a lighter spring than the 4,000 lb. springs? Or will the 4,000 lb. work? Will the 4,000 lb. springs make the trailer bounce more? The springs on the trailer now are a single leaf. One side broke so I want to replace them with multi leaf springs. Is that a good idea? This is a single axle trailer… thanks!
asked by: Mark M
Expert Reply:
I do not recommend going with 4,000 lb leaf springs on your boat trailer with a GVWR a touch less than 3,000 lbs. It will make the ride bouncier than need be, but a 3,500 lb spring should do well, assuming when your boat is on the capacity is somewhat close to the 3k GVWR.
To find the right length leaf spring you just want to measure your current leaf springs from center-to-center of the spring eyes; leaf springs also flatten a bit over time, so you should go with ones that measure a bit shorter than what you currently have.
For example, if they measured 25" (or just under) go with the 25-1/8" long 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles # e68SR.
I have added a link below to our selection of 3,500 lb leaf springs if this isn't the right length for you.
Product Page this Question was Asked From
etrailer Rust-Resistant 4-Leaf Double Eye Spring for 3.5K Trailer Axles - 25-1/8" - Dacromet
- Trailer Leaf Springs
- Double Eye Springs
- 3500 lbs
- 1-3/4 Inch Wide
- 4 Leaf
- 25-1/8 Inch Long
- Dacromet
- etrailer
more information >
Featured Help Information
Miscellaneous Media
Continue Researching
- Shop: etrailer Rust-Resistant 4-Leaf Double Eye Spring for 3.5K Trailer Axles - 25-1/8" - Dacromet
- Search Results: 255 inch leaf springs
- Shop: Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs
- Shop: CE Smith U-Bolt Kit for Mounting 5.2K to 7K, Round Trailer Axles - 7" Long U-Bolts - Zinc
- Shop: Brake Controller
- Shop: CE Smith U-Bolt Kit for Mounting 3,500-lb, Round Trailer Axles - 5-1/2" Long U-Bolts - Zinc
- Q&A: How to Determine Correct 4,000 lb Trailer Leaf Springs
- Shop: 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles - 26" Long
- Shop: CE Smith U-Bolt Kit for Mounting 2" Square Trailer Axles - 4-1/2" Long U-Bolts - Zinc
- Search Results: 3500 lb leaf springs
- Article: What Is A Leaf Spring? (Everything You Need to Know About Trailer Leaf Suspension)
- Search Results: 3500 leaf springs
- Article: How to Replace Trailer Leaf Springs in 5 Steps
- Article: How to Accurately Measure Trailer Leaf Springs
- Search Results: drum brakes
- Shop: U-Bolt Kit for Mounting 3,500-lb, Round Trailer Axles - 5-1/2" Long U-Bolts
- Search Results: heavy duty shackles
- Q&A: Replacement Leaf Springs For a 3,500LB Venture Boat Trailer
- Video: Review 2 of Dexter Axle Trailer Axles - Leaf Spring Suspension - 7359765
- Video: Dexter Single Axle Heavy Duty Suspension Installation
- Search Results: boat trailer leaf springs
- Search Results: e88sr
- Video: Review of etrailer Trailer Leaf Spring Suspension - Leaf Springs - e68SR
- Video: Review of etrailer Trailer Leaf Spring Suspension - 4-Leaf Double-Eye Spring for 4K Axles - e48SR
- Q&A: Replacement Leaf Springs For A Dexter 4,400 Lb Axle
- Q&A: Correct Length of Trailer Suspension Shackle Link
- Q&A: Leaf Springs for Trailer Carrying 20-ft Pontoon Boat
- Q&A: Recommended Shackle Kit For Use When Installing 4,000LB Axle Leaf Springs
- Q&A: Hanger Spacing Needed for Single Axle Trailer with 25-1/4 inch Long Leaf Springs
- Video: etrailer Trailer Axle 4-Leaf Double-Eye Spring Installation - Boat Trailer