{"product_id":"timbren-3500lb-axle-less-trailer-suspension-w-4in-lift-brake-flange","title":"Timbren Axle-Less Trailer Suspension 3500lb with 4in Lift and Brake Flanges","description":"\u003ch4\u003eIndependent Trailer Suspension with Four Inches of Lift\u003c\/h4\u003e\u003cp\u003eTimbren ASR3500S06 replaces a conventional through axle with two independent bolt-on suspension units rated together at 3,500 lb. The system combines 4-inch lift arms, standard E-Z Lube spindles, Aeon rubber springs, and brake mounting flanges for custom and retrofit trailer builds.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAxle-less design removes the through axle and increases under-trailer clearance.\u003c\/li\u003e\n\u003cli\u003eTwo independent suspension units provide a combined 3,500 lb capacity.\u003c\/li\u003e\n\u003cli\u003eFour-inch lift outboard arms increase deck and ground clearance.\u003c\/li\u003e\n\u003cli\u003eStandard-length tapered E-Z Lube spindles support tires up to ST215\/75R15.\u003c\/li\u003e\n\u003cli\u003eFour-bolt brake mounting flanges allow compatible brakes to be installed separately.\u003c\/li\u003e\n\u003cli\u003eAeon natural-rubber jounce and rebound springs reduce shock, rattle, and bounce.\u003c\/li\u003e\n\u003cli\u003ePolyurethane pivot bushings help maintain controlled alignment.\u003c\/li\u003e\n\u003cli\u003eBlack powder-coated construction and Grade 8 zinc-coated mounting hardware.\u003c\/li\u003e\n\u003cli\u003eBolt-on installation with alignment shims supplied.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrailer type\u003c\/td\u003e\n\u003ctd\u003eUniversal custom or retrofit trailer application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame width\u003c\/td\u003e\n\u003ctd\u003eFits varying frame widths when the frame is square and properly reinforced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e3,500 lb per complete pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum tire size\u003c\/td\u003e\n\u003ctd\u003eST215\/75R15 with a standard trailer wheel and zero offset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrakes\u003c\/td\u003e\n\u003ctd\u003eCompatible brake assemblies sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTimbren\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eASR3500S06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eAxle-less trailer suspension kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e3,500 lb per pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRide height\u003c\/td\u003e\n\u003ctd\u003e4-inch lift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpindle\u003c\/td\u003e\n\u003ctd\u003eStandard-length tapered E-Z Lube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake flange\u003c\/td\u003e\n\u003ctd\u003e4-bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum tire size\u003c\/td\u003e\n\u003ctd\u003eST215\/75R15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring type\u003c\/td\u003e\n\u003ctd\u003eAeon natural rubber jounce and rebound springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePivot bushing material\u003c\/td\u003e\n\u003ctd\u003ePolyurethane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack powder coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eBolt-on; welding is not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e809933009759\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDriver-side and passenger-side suspension units\u003c\/li\u003e\n\u003cli\u003eTwo 4-inch lift outboard arms with spindles and brake flanges\u003c\/li\u003e\n\u003cli\u003eAeon jounce and rebound springs\u003c\/li\u003e\n\u003cli\u003ePolyurethane pivot bushings\u003c\/li\u003e\n\u003cli\u003eGrade 8 zinc-coated mounting hardware\u003c\/li\u003e\n\u003cli\u003eEight alignment and camber shims\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Timbren\u003c\/h4\u003e\u003cp\u003eTimbren develops suspension products around its Aeon hollow-rubber spring technology. Its Axle-Less systems place a self-contained arm and spring assembly on each trailer frame rail, allowing independent movement without a conventional axle tube.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompatible trailer hubs, bearings, seals, and brake assemblies are required and sold separately.\u003c\/li\u003e\n\u003cli\u003eSelect related components by spindle dimensions, bolt pattern, brake-flange pattern, and trailer load requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ASR3500S06?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is a complete 3,500 lb axle-less trailer suspension pair with 4-inch lift arms, standard E-Z Lube spindles, and brake mounting flanges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 3,500 lb rating for each side?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The rating applies to the complete driver-side and passenger-side pair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre hubs and brakes included?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The suspension includes spindles and brake flanges, while compatible hubs and brake assemblies are purchased separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum tire size?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTimbren specifies up to ST215\/75R15 when using a standard trailer wheel with zero offset.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the system fit every trailer width?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe independent units accommodate varying frame widths, but the frame must be square and provide suitable mounting and reinforcement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs welding required?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. The system is designed for bolt-on installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat load range provides the best ride?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eTimbren recommends an average operating load of approximately 60 to 80 percent of the rated capacity while still accounting for every maximum-load condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat maintenance is required?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLubricate the pivot bushings and wheel bearings according to the supplied maintenance instructions and inspect mounting hardware regularly.\u003c\/p\u003e\u003ch4\u003eInstall Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eConfirm the trailer frame is square, structurally suitable, and able to accept vertically installed mounting bolts.\u003c\/li\u003e\n\u003cli\u003eVerify the 3,500 lb capacity, 4-inch lift height, tire size, and planned hub and brake components.\u003c\/li\u003e\n\u003cli\u003ePosition the driver-side and passenger-side suspension units symmetrically on the frame rails.\u003c\/li\u003e\n\u003cli\u003eMark and drill the mounting locations according to Timbren instructions.\u003c\/li\u003e\n\u003cli\u003eInstall both units with the supplied Grade 8 hardware and any required frame reinforcement.\u003c\/li\u003e\n\u003cli\u003eUse the supplied shims to fine-tune camber and alignment.\u003c\/li\u003e\n\u003cli\u003eInstall compatible brake assemblies, hubs, bearings, seals, wheels, and tires.\u003c\/li\u003e\n\u003cli\u003eLubricate the pivot bushings and wheel bearings.\u003c\/li\u003e\n\u003cli\u003eVerify clearances, alignment, wiring, fastener torque, and loaded ride height before road use.\u003c\/li\u003e\n\u003cli\u003eReinspect and re-torque the installation after the initial shakedown period.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Timbren","offers":[{"title":"Default Title","offer_id":46373896355919,"sku":"TIMASR3500S06","price":960.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/timbren-axle-less-trailer-suspension-3500lb-with-4in-lift-and-brake-flanges-timbren.jpg?v=1786381110","url":"https:\/\/www.blackopsautoworks.com\/products\/timbren-3500lb-axle-less-trailer-suspension-w-4in-lift-brake-flange","provider":"Black Ops Auto Works","version":"1.0","type":"link"}