1. Trailer Leaf Spring Suspension
  2. TruRyde
  3. U-Bolt Plates
  4. Axle Mounting Hardware
  5. Round Axle - 3 Inch
  6. 5200 lbs - 7000 lbs
U-Bolt Plate - 3" Diameter, Round Trailer Axle - 1-3/4" Wide Spring - 1/2" Bolts

U-Bolt Plate - 3" Diameter, Round Trailer Axle - 1-3/4" Wide Spring - 1/2" Bolts

Item # TRTP300175
lowest price pledge
Our Price: $7.11
Trailer Leaf Spring Suspension
Orders above $50 qualify for Free Shipping
Shipping Weight: 1.41 lbs
In Stock
TruRyde Trailer Leaf Spring Suspension - TRTP300175
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Customer Photos

Plate uses 1/2" diameter U-bolts (sold separately) to attach your 3" diameter trailer axle to your 1-3/4" wide leaf springs. Lowest Prices for the best trailer leaf spring suspension from TruRyde. U-Bolt Plate - 3" Diameter, Round Trailer Axle - 1-3/4" Wide Spring - 1/2" Bolts part number TRTP300175 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (12)
  • Q & A (5)
  • Photos
  • Why etrailer?

TruRyde Trailer Leaf Spring Suspension - TRTP300175

  • U-Bolt Plates
  • Axle Mounting Hardware
  • Round Axle - 3 Inch
  • 5200 lbs - 7000 lbs
  • 1/2 Inch Diameter
  • TruRyde

Plate uses 1/2" diameter U-bolts (sold separately) to attach your 3" diameter trailer axle to your 1-3/4" wide leaf springs.


  • Used with U-bolts to secure axle to leaf springs, which are mounted to the trailer frame
  • Constructed of zinc-plated steel per ASTM specifications
  • Attaches with (2) 1/2" diameter U-bolts (sold separately)
  • Fits trailer axles with 3" diameter
  • Works with 1-3/4" wide leaf springs

TP-300175 TruRyde U-Bolt Axle Plate - 1-3/4" Springs - 3" Diameter Axle

Replaces 117521 U-Bolt Round Axle Plate - 1-3/4" Springs - 3" Diameter Axle

Customer Reviews

U-Bolt Plate - 3" Diameter, Round Trailer Axle - 1-3/4" Wide Spring - 1/2" Bolts - TRTP300175

Average Customer Rating:  5.0 out of 5 stars   (12 Customer Reviews)

Plate uses 1/2" diameter U-bolts (sold separately) to attach your 3" diameter trailer axle to your 1-3/4" wide leaf springs.

- TRTP300175

Easy to install torqued to 60ft/lb 910353

- TRTP300175

Accurate piec3. 815615

- TRTP300175

Plates were perfect fit fo my 3 “ axle on my fifth wheel trailer 803758

- TRTP300175

Super price, quick delivery, quality merchandise. Great variety of products 777344

- TRTP300175

Everything came as ordered and was delivered very quickly. Would definitely use again! 310039

- TRTP300175

It is there doing its job 240259

- TRTP300175

as described...shipped fast 182142

- TRTP300175

Order was correct and delivered on time. Excellent Customer Service Reps. 172648

- TRTP300175

product worked great 171136

- TRTP300175

product was right and just like factory ones on my trailer. just jack up axle to get weight off springs and undo 4 nuts and remove old plate and install new one. fit perfect. 160027

- TRTP300175

I could not believe a simple part like this could not be obtained at any auto parts store, but that is the case. etrailer.com came through like "nothing to it, how many would you like?" Trailer is back on the road again thanks to etrailer.com 26721

- TRTP300175

Fits perfect 8818


Ask the Experts about this TruRyde Trailer Leaf Spring Suspension

  • Thickness of TruRyde U-Bolt Plat # TRTP300175
    I went out to our warehouse with a digital caliper and measured a thickness of exactly 0.24" on the TruRyde U-Bolt Plate # TRTP300175. I have attached an image of this along with a separate diagram that shows the bolt pattern of the mounting holes that you can also check out.
    view full answer...
  • Triple Axle Location Recommendation for Building Trailer
    Determining the location of the axles on your triple axle trailer can be difficult, but basically you want to locate the axles so that the tongue weight of the trailer is 10 percent of the total trailer. I attached a picture that details the process. Typically on triple axle trailers the center axle will be located 60 percent of the way from the front of the trailer and 40 percent from the back. This isn't always the case as boat trailer and some flat bed trailers have the axles more...
    view full answer...
  • What are the Hole Spacing Measurements for U-Bolt Plate TRTP300175
    I went out to the warehouse and pulled the U-Bolt Plate # TRTP300175 to take the measurements personally. I have included a picture showing the correct dimensions for you.
    view full answer...
  • Parts Needed to Replace Leaf Springs, Shackles and Hangers on a Tandem Axle Trailer with 3 Inch Axle
    The # SP-218275 springs are not designed for use with a 3 inch Dexter axle. A 3 inch axle is rated for at least 6,000 pounds so you would need to go with the # SP-198275, 6-Leaf Double-Eye Spring. The # SP-198275 spring has a 24-7/8 inch length and will have the same axle spacing, 34 inches, as the # SP-218275 spring that you referred to. You should check your current axle spacing or wheel and tire size to be sure the 34 inch spacing will provide clearance to mount the tires on your...
    view full answer...
  • U-Bolt Kit Similar to APUBR-8 But with Galvanized U-Bolts
    The U-bolt kit part # APUBR-8 contains the U-bolts part # 1755892 that you also referenced. It just also contains the nuts and plates needed which you would need. For a kit with the # 1755892-Z you would just also need the plates part # TRTP300200 for if you have 2 inch wide springs or part # TRTP300175 for if you have 1-3/4 inch springs.
    view full answer...

  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality trailer leaf spring suspension for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate trailer leaf spring suspension information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Written by:
Lindsey S
Expert Research:
Michael H
Updated by:
Adele M
Updated by:
Rachael H

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time.