Best Heavy Duty Suspension Upgrade for Enclosed Trailer with 3,500 lb Axles
Updated 10/13/2026 | Published 10/12/2026
Products Featured in This Question
Question:
I’m looking for an upgraded equalizer, u bolts, heavy duty shackles, wet bolts, and leaf springs for my enclosed trailer and need to know what to order. It’s a 33” wheel base with 2 3500 lb axles, my equalizer is 6” from center to center on outside holes.. the shackles are 2-1/4”.. leaf springs are 25-1/4” 4 spring. What’s the best system you would recommend and part numbers to order?
asked by: Marc S
(click to enlarge)
Expert Reply:
Hey Marc, here's the best parts for what you have and what you are looking for.
# MR87ZR MORryde CRE3000 cushioned equalizers for 33" wheelbase
# MR46ZR MORryde heavy-duty 2-1/4" shackles, wet bolts and bronze bushings
# e54SR 25-1/4" 4-leaf double-eye springs rated for 3,500-lb axles
# APUBR-1 U-bolt kit for 3,500-lb round axles
This will give you a heavy duty and cushioned setup that will be noticeable smoother and will also last a very long time. What are you usually hauling?
Product Page this Question was Asked From
MORryde Rubber Equalizers for Tandem Axle Trailers - 33" Wheelbase - 8K
- Trailer Suspension Parts
- Equalizer Upgrade Kit
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- Double Eye Springs
- 6-1/2 Inch Long
- Tandem Axle
- MORryde
more information >
Featured Help Information
Instructions
Continue Researching
- Search Results: b&w lube plate
- Search Results: lube plate
- Search Results: watchdog surge protector
- Search Results: 5th wheel lifting device
- Search Results: no pivot 5th wheel hitch
- Search Results: 5th wheel landing gear pads
- Q&A: Lube Plate for B&W Patriot 5th Wheel Hitch
- Shop: Fifth Wheel Hitch
- Video: How to Install the B&W Companion 5th Wheel Hitch - 2026 Ram 2500
- Shop: B&W Companion OEM 5th Wheel Trailer Hitch w/ Slider for Ram Towing Prep Package - Dual Jaw - 20K
- Shop: Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 30 Amp
- Shop: Portable Power Watchdog Surge Protector with Bluetooth and WiFi - 50 Amp
- Video: B&W Companion OEM 5th Wheel Hitch Manufacturer Breakdown
- Video: Review of Hughes Autoformers RV Surge Protectors - Surge Protector - HU92VR
- Video: Fit Test: B and W Companion OEM 5th Wheel Hitch for Ram Towing Prep Package with 2019 Ram 3500
- Video: Installation: B and W Companion Sliding 5th Wheel Hitch w/ Turnoverball for Ram on a 2021 Ram 2500
- Video: Curt 10" Fifth Wheel Trailer Hitch Lube Plate Feature Review
- Video: Review of Hughes Autoformers RV Surge Protectors - Surge Protector - HU62VR
- Shop: Curt Lube Plate for 5th Wheel Trailer Hitches - 10" Diameter
- Shop: Portable Power Watchdog Surge Protector with Bluetooth and Emergency Shut Down - 50 Amp
- Shop: Curt Lube Plate for 5th Wheel Trailer Hitches - 12" Diameter
- Shop: Portable Power Watchdog Surge Protector with Bluetooth, WiFi, and Emergency Shut Down - 50 Amp
- Q&A: Replacement Lube Plate for Mopar Factory 5th Wheel Hitch
- Q&A: How To Choose the Correct Lube Plate
- Q&A: Should I Get the Portable Power Watchdog Surge Protector w/ Auto Restart Over the Standard Model?
- Shop: Gooseneck Hitch
- Shop: Suspension Enhancement
- Article: Trailer Wiring Diagrams
- Shop: Trailer Hitch
- Search Results: trailer hitch
on Trailer Suspension Parts
Marc
10/13/2026
We just use it for a motocross race trailer for my son. So we will haul like 4 dirtbikes at a time. We also camp in it so it’s not just a normal enclosed trailer it’s set up pretty nice with cabinets, stainless workbench, tool box, shower ect