At a Glance
- SKU: 3500-88-24-KIT
PRODUCT INFORMATION
Product Details
Trailer Axle Beam Kit / Suspension / Running Gear
Lippert 3500 lb Trailer Axle Beam Kit - 88" Hub Face - 2.4" Tube - Loose Perches
A 3,500 lb straight trailer axle beam kit with 88" hub face, 2.4" tube construction, EZ Lube spindles, brake flanges, and loose spring perches for weld-on installation.
Part Number: 3500-88-24-KIT 88" Hub Face 3,500 lb Capacity
Overview
This Lippert 3,500 lb trailer axle beam kit is built for cargo, utility, and light-duty trailer axle replacement where the 88" hub face measurement, 2.4" tube size, brake flange layout, and spindle configuration match the trailer being serviced. This is an axle beam kit, so hubs, drums, brake assemblies, bearings, seals, wheels, tires, and related hardware must be matched separately unless specifically included elsewhere in the order.
R&P Service Insight
Axle fitment starts with measurement. Hub face, spring center, brake flange spacing, spindle style, and tube size all matter before installation.
- Hub Face: The 88" hub face measurement controls the finished track width of the trailer.
- Brake Compatibility: Brake flanges allow compatible 10" electric brake assemblies to be installed separately.
- Spring Perch Setup: This -KIT includes loose spring perches that must be properly positioned and welded before service.
R&P Knowledge Hub
Compatibility: Designed for trailers requiring a 3,500 lb straight axle beam with 88" hub face, 2.4" tube, EZ Lube spindle configuration, and compatible brake flange spacing.
Vehicle / System Fit: Commonly used in cargo, utility, and light-duty trailer running gear applications where the axle dimensions match.
Installation Notes: Verify hub face, spring center, brake flange spacing, spindle type, brake size, hub/drum compatibility, and perch location before installation.
Performance Insight: Proper axle measurement keeps the suspension centered, helps tire tracking, and prevents premature wear from incorrect axle placement.
Brand & Fitment Note
Selling Brand: Lippert axle beam kit sold by R&P Carriages.
Application Reference: Trailer type, brake size, and running gear references in this listing describe fitment target only where the measurements and configuration match.
What This Means: This listing is for a 3,500 lb trailer axle beam kit. It is not a complete hub, drum, brake, wheel, tire, or suspension rebuild kit unless those items are separately listed as included.
Before Ordering: Verify all measurements, spindle configuration, spring center, brake flange style, brake assembly size, hub/drum compatibility, and included components before installation.
R&P Repair Insight
Axle replacement is measurement-sensitive. A small mismatch in hub face, spring center, or spindle setup can create fitment problems even when the axle capacity appears correct.
- Measure Hub Face: Confirm the trailer requires an 88" hub face before ordering.
- Confirm Spring Center: Spring perches are loose in this -KIT and must be welded to match the trailer’s spring center.
- Match Brake & Hub Parts: Confirm the brake assembly, hub/drum, bearings, seals, and wheel bolt pattern separately before building out the axle.
Features
3,500 lb Axle Rating
Built for 3,500 lb trailer axle applications where the trailer’s running gear and measurements match this configuration.
88" Hub Face Width
Provides the hub face measurement needed for trailers requiring an 88" overall hub-to-hub axle layout.
2.4" Axle Tube
Uses standard 2.4" tube construction for compatible 3,500 lb trailer suspension applications.
EZ Lube Spindles & Brake Flanges
Configured with EZ Lube spindles and brake flanges for compatible hub/drum and 10" electric brake assembly installation.
Specifications
| Specification | Detail |
|---|---|
| Part Number | 3500-88-24-KIT |
| Brand | Lippert |
| Product Type | Trailer axle beam kit |
| Axle Capacity | 3,500 lb |
| Hub Face | 88" |
| Brake Flange to Flange | 81.66" |
| Spindle End to End | 92.38" |
| Tube Size | 2.4" |
| Spindle Style | EZ Lube spindle configuration |
| Brake Application | For compatible 10" electric brake assemblies |
Fitment / Application
| Category | Details |
|---|---|
| Trailer Type | Cargo, utility, and light-duty trailer applications where specifications match |
| Primary Fit | Trailers requiring a 3,500 lb axle beam with 88" hub face and 2.4" tube |
| Brake Setup | Brake flanges support compatible 10" electric brake assemblies |
| Notes | Spring perches are included loose and must be welded to the correct spring center before the axle is placed into service. |
Included Components
| Quantity | Item |
|---|---|
| 1 | Lippert 3,500 lb straight trailer axle beam |
| Included | EZ Lube spindle configuration |
| Included | Brake mounting flanges for compatible 10" electric brake assemblies |
| Included | Loose spring perches / spring seats for weld-on installation |
| Not Included | Hubs, drums, bearings, seals, brake assemblies, wheels, tires, U-bolts, tie plates, and suspension hardware unless purchased separately |
Important -KIT Axle Notice
What Comes in the -KIT: Spring Perches Are Included Loose
This -KIT includes the axle beam and loose spring perches / spring seats. The spring perches are included as separate pieces. Included does not mean welded.
Spring perches ship loose by default. They are not welded to the axle tube before shipment unless the customer specifically requests perch welding in the order notes, provides the correct Spring Center measurement, and R&P confirms the weld-on request before the axle ships.
Repetition matters: If the listing says “spring perches included,” that means loose spring perches are included with the kit. It does not mean the spring perches are already installed, welded, or ready for towing.
Do not install or tow with loose spring perches. The perches must be measured, positioned, squared, and welded to the axle tube before the axle is placed into service.
When Will R&P Weld the Spring Perches?
R&P may weld the spring perches before shipment only when the order clearly gives us the information needed to do it correctly.
- The customer must request welded spring perches in the order notes.
- The customer must provide the Spring Center measurement.
- R&P must confirm the weld-on request before shipment.
Default rule: If the order does not clearly request welded perches and does not provide a Spring Center measurement, the spring perches ship loose.
How to Find Your Spring Center Measurement
Spring Center is the distance from the center of one leaf spring to the center of the opposite leaf spring. This is the measurement used to locate where the spring perches need to be welded on the axle tube.
- Best method with old axle: Measure from the center of one existing spring perch / spring seat to the center of the opposite spring perch / spring seat.
- Best method from the trailer: Measure from the centerline of the left leaf spring pack to the centerline of the right leaf spring pack where the axle sits.
- Leaf spring center bolt method: Measure from the center of the center bolt / locating pin on one spring pack to the center of the center bolt / locating pin on the other spring pack.
- Do not measure outside-to-outside. Spring Center is a center-to-center measurement.
- Do not guess from deck width. Deck width can be helpful context, but it is not a substitute for the actual Spring Center measurement.
Axle Measurement Diagram
Use the axle measurement diagram below as a visual reference while confirming axle dimensions and installation details. Spring Center must still be measured center-to-center at the trailer’s leaf springs or existing spring perches.
Why Welding the Perches Matters
This image shows a real-world installation problem where loose spring perches were not welded before use and brake wiring was torn out. This is exactly why the axle must not be installed, towed, or placed into service while the spring perches are still loose.
Loose perches can allow the axle to move or rotate out of its intended installed position. That can damage brake wiring, brake components, suspension parts, tires, and the trailer. The perches must be properly welded before road use.
| Question | Answer |
|---|---|
| Are spring perches included in the -KIT? | Yes. The spring perches / spring seats are included as loose parts. |
| Are the spring perches welded on by default? | No. They ship loose by default. |
| Can R&P weld the perches before shipping? | Only if the customer requests it in the order notes, provides the correct Spring Center measurement, and R&P confirms the request before shipment. |
| What measurement is needed for welding? | Spring Center: center of one leaf spring / spring perch to the center of the opposite leaf spring / spring perch. |
| Can the axle be used with loose perches? | No. Do not install, tow, or place the axle in service until the perches are properly welded. |
| What can happen if perches are not welded? | Loose perches can allow the axle to move or rotate, which can damage brake wiring, brake parts, suspension components, tires, and the trailer. |
| Which way does camber face? | If the axle is cambered, the arch goes up in the middle when installed. |
Order Note Wording Customers Can Use
Customers who want R&P to weld the spring perches should put clear instructions in the order notes before checkout.
Example order note: “Please weld spring perches before shipping. My Spring Center measurement is ____ inches, measured center-to-center.”
Final reminder: Unless the order notes request welded perches, the Spring Center measurement is supplied, and R&P confirms the weld request, this -KIT ships with loose spring perches.
Thank You For Choosing R&P Carriages For Your Online Shopping Source!
Verify all measurements, spring center, hub face, brake flange spacing, spindle configuration, brake compatibility, hub/drum compatibility, and included components before installation. Spring perches included with this -KIT ship loose by default and must be welded before the axle is placed into service.
3500-88-24-KIT, Lippert 3500 trailer axle, 88 inch hub face axle, 3,500 lb trailer axle beam kit, 2.4 inch axle tube, EZ Lube trailer axle beam, trailer axle with loose spring perches, cargo trailer axle replacement, utility trailer axle replacement, 10 inch electric brake compatible axle
BEHIND THIS LISTING
PHOTOGRAPHY & RESEARCH
Ariah Granados
DIGITAL PRESENTATION & DEVELOPMENT
Ken Martin
ONLINE SALES & QUALITY ASSURANCE
Rayn Fisher
WE’RE HERE TO HELP
Not sure it fits?
Have your SKU or manufacturer part number, photos of the original part and mounting, and any critical measurements ready. Capacity, voltage, or bolt pattern can help too.
815-357-3292 · 270 E Jackson St · Seneca, IL 61360
CUSTOMER REVIEWS
Leave a Google review
Good people. Real trailer work.
Customer feedback summarized from Google and Yellow Pages. Dates are shown where available.
TRAILER PARTSGOOGLE
Ordered trailer repair parts repeatedly; praised fast service, careful packing, and accurate orders.
RV KEYSGOOGLE
Found the correct RV keys at a good price with free shipping; the keys worked as expected.
AXLE & LEAF SPRINGSGOOGLE
Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.
PARTS & SHIPPINGGOOGLE
Praised the OEM and aftermarket selection, discounts, quick shipping, and friendly parts staff.
CUSTOM AXLEGOOGLE
Got the axle he needed right away, set up with a custom spring perch.
WELDINGGOOGLE
Praised the polite staff and quality welding on a project.
GAS STRUTGOOGLE
Replacement struts brought a long-used door back to working order.
CUSTOM TRAILERGOOGLE
Had a trailer built to his needs at a fair price, then found parts for two other trailers in stock.
CUSTOMER SERVICEGOOGLE
Praised the customer service after working with R&P over several years.
GAS SHOCKGOOGLE
Found the gas shock he wanted at a good price with shipping included.
CARGO TIE-DOWNGOOGLE
Received swivel D-rings with backing plates and praised the price, correct order, and service.
PARTS DELIVERYGOOGLE
The right parts arrived the first time, with fast delivery and helpful staff.
PROJECT HELPYELLOW PAGES
Said project advice and prompt shipping helped finish a trailer project.
SHIPPINGYELLOW PAGES
Reported helpful service and fast shipment to Germany.
SUSPENSION KITYELLOW PAGES
Praised a suspension kit, fair pricing, and good parts.
TRAILER CORDYELLOW PAGES
Was pleased with a replacement trailer cord.
SERVICE & PARTSYELLOW PAGES
Noted dependable service and products across repeat visits.
AXLE INSTALLATIONYELLOW PAGES
Said the axle installation fit perfectly and thanked Josh and the crew.
HITCH REPLACEMENTYELLOW PAGES
Praised the crew’s professionalism during a difficult hitch replacement.
PRICE & SERVICEYELLOW PAGES
Liked the product, price, communication, and shipping.
LISTING INFORMATIONYELLOW PAGES
Said the product description explained what would work for the trailer.
PRODUCT & SHIPPINGYELLOW PAGES
Received the item as described with very fast shipping and plans to return.
COMMUNICATION & SHIPPINGYELLOW PAGES
Praised accurate description, quick shipping, and clear communication.
PRICE & PRODUCTYELLOW PAGES
Was happy with the product and its price.
SELLER EXPERIENCEYELLOW PAGES
Called it a pleasure doing business with R&P.
INSTALLATIONYELLOW PAGES
Was pleased with product quality, quick delivery, and an easy installation.
PRODUCTSYELLOW PAGES
Was enthusiastic about the products.
DURABILITYYELLOW PAGES
Was ready to install the product on every trailer they own.
REPEAT CUSTOMERYELLOW PAGES
Expected to buy again after a good experience.
INSTALLED PARTYELLOW PAGES
Reported that the newly installed parts were working perfectly.
REPEAT CUSTOMERYELLOW PAGES
Said things went well, as they had on previous visits.
COMMUNICATION & VALUEYELLOW PAGES
Praised clear communication and fair value.
TRANSACTIONYELLOW PAGES
Said the transaction went as expected.
PRICE & PACKAGINGYELLOW PAGES
Noted good value, careful packing, and fast shipping.
PROFESSIONAL SERVICEYELLOW PAGES
Found the team professional and easy to work with.
COMMUNICATION & SHIPPINGYELLOW PAGES
Praised fast shipping and good communication.
TEAMYELLOW PAGES
Shared appreciation for the owners and their company.
SHIPPINGYELLOW PAGES
Reported prompt shipping and said they would buy again.
CUSTOMER SERVICEYELLOW PAGES
Found R&P easy to deal with.
SERVICEYELLOW PAGES
Praised the people and the service.
FIT & SHIPPINGYELLOW PAGES
Reported a good fit, fair price, accurate listing, and quick shipping.
DELIVERYYELLOW PAGES
Received the order a day early and recommended the seller.
CUSTOM TRAILERYELLOW PAGES
Described a no-hassle, professional custom-trailer purchase.
TRAILER PURCHASEYELLOW PAGES
Praised a new trailer, custom additions, helpful staff, and clear pricing.
HUB COVERSYELLOW PAGES
Found the right hub covers quickly and got helpful maintenance advice.
AXLE HELPYELLOW PAGES
Said R&P helped their company get back on the road after an axle problem.
DUMP TRAILERYELLOW PAGES
Was happy with a dump-trailer purchase after comparing options.
BRAKES, DRUMS & SEALSYELLOW PAGES
Received clear help choosing brake assemblies and bearing seals, followed by fast shipping.
DUMP TRAILERYELLOW PAGES
Found a good deal on a 16-foot dump trailer and planned to return.
FRIENDLY SERVICEYELLOW PAGES
Thanked the staff for their patience and recommended the shop.
Showing 3 of 50
Need help with this part? Send photos, part numbers, and measurements. We’ll help you narrow it down.