{"product_id":"3500-beam-94-hf-3-0-tube-4-drop-flange-ez-trailer-spring-axle-w-perches","title":"Lippert 3500 lb Axle Beam – 94\" Hub Face – 4\" Drop – 3\" Tube – EZ Lube – Wired W Loose Perches (3500-94-3-D-KIT)","description":"\u003cstyle\u003e\n  .rp-mag-lock{\n    --rp-black:#111111;\n    --rp-charcoal:#1d1d1f;\n    --rp-gray:#6b7280;\n    --rp-light:#f5f5f5;\n    --rp-line:#d8d8d8;\n    --rp-maroon:#6e0f11;\n    --rp-gold:#d7a126;\n    --rp-cream:#fff7e3;\n    --rp-shadow:0 16px 36px rgba(0,0,0,.08);\n    --rp-radius:20px;\n    font-family:\"Helvetica Neue\",Helvetica,Arial,sans-serif;\n    color:var(--rp-black);\n    line-height:1.6;\n  }\n\n  .rp-mag-lock *{\n    box-sizing:border-box;\n  }\n\n  .rp-mag-lock .rp-shell{\n    max-width:1080px;\n    margin:0 auto;\n    padding:28px 18px 40px 18px;\n    background:\n      linear-gradient(180deg,#fafafa 0%,#ffffff 22%,#ffffff 100%);\n  }\n\n  .rp-mag-lock .rp-hero{\n    position:relative;\n    overflow:hidden;\n    border:1px solid 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Wired\u003c\/div\u003e\n\u003ch1 class=\"rp-title\"\u003eLippert 3500 lb Axle Beam – 94\" Hub Face – 4\" Drop – 3\" Tube – EZ Lube – Wired W Loose Perches\u003c\/h1\u003e\n\u003cp class=\"rp-subhead\"\u003eA 3500 lb Lippert drop axle beam with 94\" hub face, 4\" drop, heavy duty 3\" tube, EZ Lube spindles, and brake wiring. Built for trailer axle replacement where the listed measurements and suspension configuration match.\u003c\/p\u003e\n\u003cdiv class=\"rp-partline\"\u003e\n\u003cspan class=\"rp-badge\"\u003ePart Number: 3500-94-3-D-KIT\u003c\/span\u003e \u003cspan class=\"rp-badge alt\"\u003e3500 lb Capacity\u003c\/span\u003e \u003cspan class=\"rp-badge alt\"\u003e94\" Hub Face | 4\" Drop | 3\" Tube\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section rp-grid-2\"\u003e\n\u003cdiv class=\"rp-card\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cp class=\"rp-lead\"\u003eThis Lippert 3500 lb trailer axle beam is a 94\" hub face, 4\" drop, cambered axle with a heavy duty 3\" tube, EZ Lube spindles, and brake wiring. It is commonly used on utility trailers, campers, and light-duty trailer applications using compatible 5-lug hubs or 10\" electric brake assemblies. Confirm hub face, spring center, brake flange spacing, bearing set, seal, and drop configuration before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-card rp-service\"\u003e\n\u003ch2\u003eR\u0026amp;P Service Insight\u003c\/h2\u003e\n\u003cp\u003eA replacement axle needs to match more than just weight rating. Hub face, spring center, drop, spindle style, brake flange spacing, and tube diameter all affect whether the axle will install correctly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Face Matters:\u003c\/strong\u003e The 94\" hub face measurement must match the trailer’s required wheel-to-wheel spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop Configuration:\u003c\/strong\u003e The 4\" drop lowers the trailer frame relative to the spindle centerline for a lower deck height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWired Beam:\u003c\/strong\u003e This axle is wired for electric brake applications, but hubs, drums, brakes, bearings, and seals are not included unless separately listed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-knowledge\"\u003e\n\u003ch2\u003eR\u0026amp;P Knowledge Hub\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for 3500 lb trailer applications where the 94\" hub face, 4\" drop, 3\" tube, EZ Lube spindle setup, and brake flange layout match the trailer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrailer \/ System Fit:\u003c\/strong\u003e Commonly used on utility trailers and campers with compatible 3500 lb running gear, 5-lug hubs, or 10\" electric brake assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e Verify hub face, spring center, tube size, drop orientation, brake flange-to-flange measurement, bearing set, grease seal, and wheel\/brake compatibility before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Insight:\u003c\/strong\u003e A cambered axle is built with an upward arch in the center so the beam can settle correctly under load. When installed, the camber arch faces up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-knowledge\"\u003e\n\u003ch2\u003eBrand \u0026amp; Fitment Note\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSelling Brand:\u003c\/strong\u003e R\u0026amp;P Carriages \/ Lippert axle beam listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Reference:\u003c\/strong\u003e Any trailer, camper, hub, brake, or running gear references in this listing describe compatibility targets only where the axle dimensions and configuration match.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat This Means:\u003c\/strong\u003e This listing is for one 3500 lb axle beam kit with loose spring perches. Hubs, drums, brake assemblies, bearings, seals, U-bolts, and mounting hardware are not included unless separately stated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBefore Ordering:\u003c\/strong\u003e Verify all measurements and included components before installation. Do not rely on trailer model alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-card rp-service\"\u003e\n\u003ch2\u003eR\u0026amp;P Repair Insight\u003c\/h2\u003e\n\u003cp\u003eAxle swaps often go wrong when customers match only the weight rating and overlook the installed geometry. Use the old axle and the trailer frame as the measurement references before placing the order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Hub Face:\u003c\/strong\u003e Measure from the face of one hub where the wheel mounts to the matching face on the opposite side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Spring Center:\u003c\/strong\u003e Measure center-to-center across the spring seats or leaf spring packs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Drop and Camber:\u003c\/strong\u003e Confirm the 4\" drop is correct for the trailer and install the cambered arch upward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature-grid\"\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003e3500 lb Axle Rating\u003c\/h3\u003e\n\u003cp\u003eBuilt for 3500 lb trailer running gear applications where the trailer’s suspension, hubs, brakes, and wheel-end components match this axle configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003e94\" Hub Face with 4\" Drop\u003c\/h3\u003e\n\u003cp\u003eThe 94\" hub face provides the wheel spacing, while the 4\" drop lowers the trailer frame relative to the spindle centerline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003eHeavy Duty 3\" Tube\u003c\/h3\u003e\n\u003cp\u003eUses a heavy duty 3\" axle tube for this configuration. Confirm tube diameter and perch size before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-feature\"\u003e\n\u003ch3\u003eEZ Lube and Wired\u003c\/h3\u003e\n\u003cp\u003eIncludes EZ Lube spindle configuration and brake wiring for compatible electric brake setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section rp-grid-2\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500-94-3-D-KIT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLippert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrailer axle beam kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAxle Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHub Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e94\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\" drop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\" heavy duty axle tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpindle Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEZ Lube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWired for electric brake applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrake Flange to Flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87.66\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Shoulder to Shoulder\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90.19\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpindle End to End\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e98.38\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Bearing Set\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL44649 inner\/outer bearing family with L68149 bearing reference as previously listed; verify against your hub and spindle before ordering wheel-end parts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Seal Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-19 grease seal reference; verify seal size before installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eFitment \/ Application\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrailer Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUtility trailers, campers, and light-duty trailer applications using compatible 3500 lb running gear.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Fit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrailers requiring a 3500 lb, 94\" hub face, 4\" drop, 3\" tube, EZ Lube axle beam.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWheel-End Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommonly paired with compatible 5-lug hubs or 10\" electric drum brake setups; wheel-end parts are not included in this listing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImportant Note\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirm spring center, hub face, brake flange spacing, drop orientation, brake\/hub compatibility, and bearing\/seal requirements before installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-section\"\u003e\n\u003cdiv class=\"rp-rule-title\"\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLippert 3500 lb trailer axle beam, 94\" hub face, 4\" drop, 3\" heavy duty tube, EZ Lube, wired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSP-3 spring perches for 3\" axle beam — included loose unless weld service is requested, measured, and confirmed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-kit-perch-guidance\"\u003e\n\u003cdiv class=\"rp-kit-perch-box\"\u003e\n\u003cdiv class=\"rp-kit-perch-inner\"\u003e\n\u003cspan class=\"rp-kit-perch-label\"\u003eImportant -KIT Axle Notice\u003c\/span\u003e\n\u003ch2\u003eWhat Comes in the -KIT: Spring Perches Are Included Loose\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis -KIT includes the axle beam and loose spring perches \/ spring seats.\u003c\/strong\u003e The spring perches are included as separate pieces. \u003cstrong\u003eIncluded does not mean welded.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpring perches ship loose by default.\u003c\/strong\u003e 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\u0026amp;P confirms the weld-on request before the axle ships.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRepetition matters:\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cdiv class=\"rp-kit-perch-red\"\u003e\n\u003cstrong\u003eDo not install or tow with loose spring perches.\u003c\/strong\u003e The perches must be measured, positioned, squared, and welded to the axle tube before the axle is placed into service.\u003c\/div\u003e\n\u003ch3\u003eWhen Will R\u0026amp;P Weld the Spring Perches?\u003c\/h3\u003e\n\u003cp\u003eR\u0026amp;P may weld the spring perches before shipment only when the order clearly gives us the information needed to do it correctly.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eThe customer must request welded spring perches in the order notes.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eThe customer must provide the Spring Center measurement.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eR\u0026amp;P must confirm the weld-on request before shipment.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"rp-kit-perch-callout\"\u003e\n\u003cstrong\u003eDefault rule:\u003c\/strong\u003e If the order does not clearly request welded perches and does not provide a Spring Center measurement, the spring perches ship loose.\u003c\/div\u003e\n\u003ch3\u003eHow to Find Your Spring Center Measurement\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSpring Center\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest method with old axle:\u003c\/strong\u003e Measure from the center of one existing spring perch \/ spring seat to the center of the opposite spring perch \/ spring seat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest method from the trailer:\u003c\/strong\u003e Measure from the centerline of the left leaf spring pack to the centerline of the right leaf spring pack where the axle sits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeaf spring center bolt method:\u003c\/strong\u003e 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not measure outside-to-outside.\u003c\/strong\u003e Spring Center is a center-to-center measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not guess from deck width.\u003c\/strong\u003e Deck width can be helpful context, but it is not a substitute for the actual Spring Center measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"rp-kit-perch-diagram\"\u003e\n\u003ch3\u003eAxle Measurement Diagram\u003c\/h3\u003e\n\u003cp\u003eUse 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.\u003c\/p\u003e\n\u003cimg alt=\"3500 lb trailer axle measurement diagram and spindle detail reference\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/3500-spindle-detail.png?v=1759937829\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-kit-perch-damage\"\u003e\n\u003ch3\u003eWhy Welding the Perches Matters\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThis image shows a real-world installation problem where loose spring perches were not welded before use and brake wiring was torn out.\u003c\/strong\u003e This is exactly why the axle must not be installed, towed, or placed into service while the spring perches are still loose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLoose perches can allow the axle to move or rotate out of its intended installed position.\u003c\/strong\u003e That can damage brake wiring, brake components, suspension parts, tires, and the trailer. The perches must be properly welded before road use.\u003c\/p\u003e\n\u003cimg alt=\"Example of trailer axle installation damage from loose unwelded spring perches and torn brake wiring\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/loose_perches.png?v=1777919980\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-kit-perch-table\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eQuestion\u003c\/th\u003e\n\u003cth\u003eAnswer\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAre spring perches included in the -KIT?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes. The SP-3 spring perches \/ spring seats are included as loose parts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAre the spring perches welded on by default?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNo. They ship loose by default.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCan R\u0026amp;P weld the perches before shipping?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnly if the customer requests it in the order notes, provides the correct Spring Center measurement, and R\u0026amp;P confirms the request before shipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWhat measurement is needed for welding?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpring Center: center of one leaf spring \/ spring perch to the center of the opposite leaf spring \/ spring perch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCan the axle be used with loose perches?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNo. Do not install, tow, or place the axle in service until the perches are properly welded.\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWhat can happen if perches are not welded?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoose perches can allow the axle to move or rotate, which can damage brake wiring, brake parts, suspension components, tires, and the trailer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWhich way does camber face?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIf the axle is cambered, the arch goes up in the middle when installed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eOrder Note Wording Customers Can Use\u003c\/h3\u003e\n\u003cp\u003eCustomers who want R\u0026amp;P to weld the spring perches should put clear instructions in the order notes before checkout.\u003c\/p\u003e\n\u003cdiv class=\"rp-kit-perch-callout\"\u003e\n\u003cstrong\u003eExample order note:\u003c\/strong\u003e “Please weld spring perches before shipping. My Spring Center measurement is ____ inches, measured center-to-center.”\u003c\/div\u003e\n\u003cdiv class=\"rp-kit-perch-red\"\u003e\n\u003cstrong\u003eFinal reminder:\u003c\/strong\u003e Unless the order notes request welded perches, the Spring Center measurement is supplied, and R\u0026amp;P confirms the weld request, this -KIT ships with loose spring perches.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rp-thankyou\"\u003eThank You For Choosing R\u0026amp;P Carriages For Your Online Shopping Source!\u003c\/div\u003e\n\u003cdiv class=\"rp-note\"\u003eVerify hub face, spring center, drop configuration, tube diameter, brake flange spacing, bearing and seal requirements, hub\/drum compatibility, and included components before installation. This listing includes loose SP-3 spring perches; loose perches must be properly welded before the axle is placed into service.\u003c\/div\u003e\n\u003cdiv class=\"rp-cta-wrap\"\u003e\u003ca href=\"\/search?q=axle+beam+3500\" class=\"rp-btn\"\u003eView More Axle Beam Options\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"rp-seo\"\u003e3500-94-3-D-KIT trailer axle Lippert 3500 lb drop axle 94 inch hub face trailer axle beam 3500 lb 4 inch drop axle 3 inch tube trailer axle heavy duty trailer axle beam wired EZ Lube trailer axle 3500 lb trailer axle replacement utility trailer axle 3500 lb camper trailer axle 3500 lb 3500 lb axle with loose spring perches SP-3 spring perch axle kit\u003c\/div\u003e\n\u003cdiv class=\"rp-footer\"\u003e\u003cimg alt=\"R \u0026amp; P Carriages\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/Baseball_AdvertisingRP-sign_1.jpg?v=1771533480\"\u003e\u003c\/div\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #eee; margin: 24px 0 0 0;\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Lippert","offers":[{"title":"Default Title","offer_id":9805936558122,"sku":"3500-94-3-D-KIT","price":313.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2659\/6148\/files\/beam-3500-beam-drop-lippert_e8c8cac4-feaa-4a1a-b20a-1a626a5f326c.png?v=1759954653","url":"https:\/\/needatrailerpart.com\/products\/3500-beam-94-hf-3-0-tube-4-drop-flange-ez-trailer-spring-axle-w-perches","provider":"Need a Trailer Part","version":"1.0","type":"link"}