Raising the Height of a Trailer that has a 3-1/2 Inch Diameter Round Axle
Updated 03/31/2015 | Published 03/29/2015 >
Products Featured in This Question
Question:
I have the rare 3 1/2 axle , do you have an over-under kit for this?
asked by: John
0
Expert Reply:
There are no over/under conversion kits for a 3-1/2 inch diameter axle but I can tell you the parts you will need to make one. You will need spring seats for 3-1/2 inch diameter axles, # TRSS350 and a new u-bolt kit # APUBR-35. The new springs will have to be welded onto the axle.
expert reply by:
Michael H
0
Product Page this Question was Asked From
Dexter Trailer Springs Over-Under Conversion Kit
- Trailer Suspension Parts
- Alignment and Lift Kits
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- Double Eye Springs
- Round Axle - 2-3/8 Inch
- Single Axle
- Dexter
more information >
Featured Help Information
Instructions
Continue Researching
- Article: What are the Common Types of Propane Fittings Used on RVs?
- Shop: RV Antenna and Radio
- Q&A: Double Waste Valve with 3 inch and 1-1/2 inch Hub Fittings On Both Ends
- Q&A: Valterra Double RV Waste Valves Part # T80A Length From Spigot To Hub
- Q&A: Recommended Spring Seat for a 8,000 lbs Axle
- Q&A: Overall Length of Bristol Double RV Waste Valves # 34466ND14AAR
- Q&A: What is the Difference Between Valterra Double RV Waste Valves # T80, # T80C, and # T80A
- Q&A: Is Spacer Needed to Fit Double RV Waste Valves # T80A to 3-1/2" Inside Diameter Outlet
- Shop: LaSalle Bristol RV Plumbing Roof Vent with Snap On Cap - 5-1/2" Diameter - PVC - White
- Shop: Double RV Waste Valves - Elbow - Rotating - 3" Hub and 1-1/2" Spigot to 3" Lug
- Shop: Jensen Pull Up Antenna - Top Mount
- Shop: Replacement Bushing for Roadmaster Rear Anti-Sway Bar for Trucks and Motor Homes
- Shop: Spring Seat for Typical 8,000-lb, Round Trailer Axles with 3-1/2" Diameter
- Shop: LaSalle Bristol RV Waste Valves - Elbow - Rotating - 3" and 1.5" Hubs to 3" Spigot
- Shop: Double RV Waste Valves - Elbow - Rotating - 3" Spigot and 1-1/2" Hub to 3" Lug
- Search Results: rooftop mount rv antennas
- Search Results: rv tv antennas
- Search Results: self leveling
- Search Results: self leveling sealant
- Search Results: tv antennas
- Search Results: leaf spring perch
- Search Results: leaf spring mount
- Article: How to Raise Your Travel Trailer Height
- Q&A: How to Lift 2025 Keystone Coleman 17B
- Article: Trailer Wiring Diagrams
- Article: 5 Tell-Tale Signs It’s Time to Replace Your Trailer’s Leaf Springs
- Article: How to Accurately Measure Trailer Leaf Springs
- Article: How to Tell the Weight Rating of a Trailer Axle
- Article: Double-Eye Trailer Suspension System Review

