Can etrailer Bolt On Swivel Plate For Jacks Work On Round Tube Trailer Frame?
Updated 03/13/2026 | Published 03/09/2026
Products Featured in This Question
Question:
Can this product be used on a round tube trailer by drilling holes in the trailer tubing to mount the bracket? Thanks.
asked by: Ed G
Expert Reply:
Hey Ed.
I'm struggling to see how you could modify the etrailer Bolt-On Swivel Mounting Plate for jacks # e52JR to work with your round tube frame. I guess it could be done but might not be the best fit. I think you'd have better luck using something like Pipe Mount Swivel Style Trailer Jack with Foot - Sidewind - 10" Travel - 2,000 lbs # DL22685 which comes with a mount that would be easier to shape to your round frame and weld it on.
Do you not have a hole in the middle of the tongue to mount a standard 3 bolt jack like # TJA-5000S-B ?
Michael S.
3/13/2026
I don't know the diameter of your round frame section, and without seeing the trailer, I might try something like this- weld some large angle to the bottom of the jack plate so it holds you round tube in a "cradle". Since the main stress on the plate is lifting the trailer, and the steel holding the round tube in a "cradle", how you mount the plate becomes less critical. You will need to be aware however, of galvanic corrosion if you have dissimilar materials, i.e. aluminum in direct contact with steel, steel bolts into aluminum etc.
Product Page this Question was Asked From
etrailer Bolt-On Swivel Mounting Plate for 3,500-lb Trailer Jacks with a 5/8" Swivel Pin
- Accessories and Parts
- Camper Jacks
- Trailer Jack
- Mounting Hardware
- Plates
- etrailer
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Video: A Closer Look at the etrailer Swivel Jacks with Bolt-On Mounting Plates
- Q&A: Outer Diameter of etrailer Bolt On Pipe Mount # e52JR
- Q&A: What Frame Width Does etrailer Bolt-On Swivel Mounting Plate for 3,500-lb Trailer Jacks Fit
- Shop: etrailer Bolt-On Swivel Mounting Plate for 3,500-lb Trailer Jacks with a 5/8" Swivel Pin
- Shop: Replacement Male Pipe for etrailer and Ram Pipe Mount Swivel Jacks - 2" - 5/8" Pin Hole
- Shop: Square 2-Speed Trailer Jack - Drop Leg - Sidewind - 12-3/8" Lift - 10,000 lbs - Weld
- Shop: Trailer Valet JXC Drill Powered Jack w/ Footplate - A-Frame - 14" Lift - 1,600 lbs
- Shop: etrailer 2 Swivel Jacks w/ Bolt-On Mounting Plates - Sidewind - 15-1/2" Lift - 3,000 lbs
- Shop: Trailer Valet JXS Drill Powered Jack w/ Footplate - Side Mount - 13-5/8" Lift - 1,800 lbs
- Shop: etrailer Swivel Jack w/ Bolt-On Mounting Plate - Sidewind - 10" Lift - 3,000 lbs
- Shop: Trailer Hitch
- Article: Trailer Wiring Diagrams
- Q&A: Lug Nut Torque Chart for Trailer Wheels
- Search Results: trailer hitch
- Shop: Trailer Wiring
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Search Results: trailer tires and wheels
- Video: Bigfoot Hydraulic Jack DIY Installation - Diamond C Trailer
- Search Results: trailer wiring
- Article: How to Measure for Trailer Hitch Drop
- Shop: Suspension Enhancement
- Search Results: trailer jack
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Shop: Brake Controller
- Video: Hands-On with the Hub Saver Hub and Wheel Protector
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Video: A Closer Look at the Stabilizer Jack
- Shop: Gooseneck Hitch
- Search Results: trailer lights
- Shop: Base Plate for Tow Bar
on Accessories and Parts
Ed G.
3/12/2026
The trailer is from 1957 foot about hill aluminum boat of the same vintage. So no modern amenities. I can’t weld which odd why I’m looking for a bolt on solution