{"product_id":"dreamdragon-7k-tandem-trailer-suspension-kit-with-5-leaf-springs","title":"dreamdragon 7K Tandem Trailer Suspension Kit with 5 Leaf Springs","description":"\u003cp\u003eIn this review the dreamdragon 7K Tandem Trailer Suspension Kit is evaluated as a heavy-duty, trailer-specific replacement suspension package designed for 7,000 lb axles. The bottom line: this kit is best for owners who need a complete swap or upgrade that includes 5-leaf springs rated at 3,500 lb each and the matching U-bolts, hangers and hardware for tandem axle trailers. It stands out because it bundles springs with axle U-bolts, greaseable bolts and comprehensive mounting hardware so a DIYer or a shop can complete a solid suspension overhaul without sourcing multiple parts.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7,000 lb axle compatibility:\u003c\/strong\u003e Built to work with trailer axles in the 5,200-7,000 lb range so it fits common heavy trailer setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,500 lb per spring capacity:\u003c\/strong\u003e Each 5-leaf spring is rated at 3,500 lb which provides the load handling needed for tandem axles when configured correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete U-bolt and tie plate set:\u003c\/strong\u003e Includes 4 x 7 in U-bolts, 2 tie plates and 8 hex nuts to fasten 3 in round axles securely to the spring assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory kit included:\u003c\/strong\u003e Comes with hangers, shackle bolts, equalizer bolts, spring washers and nuts so installation requires minimal extra parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreaseable mounting bolts:\u003c\/strong\u003e 7\/8 in-9 x 4.69 in bolts with grease zerks and 9\/16 in-18 shackle bolts ensure easier maintenance and longer joint life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis kit is aimed at trailer owners, small fleet operators and DIY mechanics who need a full tandem-axle leaf spring replacement rated for up to 7,000 lb axles. It is particularly useful for those rebuilding or upgrading suspension on utility, equipment or cargo trailers that use 3 in round axles and require matched U-bolts and tie plates.\u003c\/p\u003e\u003cp\u003eIt is not intended for use on motor vehicles or applications outside of trailers; buyers who need custom ground-ride adjustments, air suspension, or single-spring setups should look elsewhere. Also, if your axle diameter or spring dimensions differ from those listed you should confirm fitment before purchasing.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComprehensive kit includes springs, hangers, U-bolts, tie plates and hardware for a near-complete installation.\u003c\/li\u003e\n\u003cli\u003eDurable components with grease zerk-equipped bolts for easier maintenance and longer service life.\u003c\/li\u003e\n\u003cli\u003eSprings and hardware are sized for 3 in round axles and heavy-duty trailer loads up to the specified range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned only for trailers, so it is not suitable for non-trailer vehicle suspension projects.\u003c\/li\u003e\n\u003cli\u003eFitment depends on matching the listed spring lengths and axle diameter; buyers must verify measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended axle rating\u003c\/td\u003e\n\u003ctd\u003e7,000 lb tandem axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring capacity\u003c\/td\u003e\n\u003ctd\u003e3,500 lb per spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring free length\u003c\/td\u003e\n\u003ctd\u003e26-7\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring free open\u003c\/td\u003e\n\u003ctd\u003e3.19 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeaf width\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eU-bolt size\u003c\/td\u003e\n\u003ctd\u003e3 in diameter round axles, 7 in length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded hardware\u003c\/td\u003e\n\u003ctd\u003eHangers, shackle bolts, equalizer bolts, tie plates, hex nuts, spring washers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe dreamdragon 7K Tandem Trailer Suspension Kit is a practical and well-rounded package for anyone rebuilding or upgrading trailer suspension on 7,000 lb tandem axles. It delivers solid value by combining rated 5-leaf springs with the matching U-bolts, tie plates and greaseable bolts, reducing the need to source separate parts. Buy this if you need a trailer-specific, heavy-duty replacement that keeps maintenance simple and offers dependable load capacity.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill these springs fit 3 in round axles?\u003c\/strong\u003e\u003cbr\u003eYes, the kit includes a U-bolt set sized for 3 in diameter round axles and 7 in long U-bolts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the mounting bolts greaseable?\u003c\/strong\u003e\u003cbr\u003eYes, the kit supplies 7\/8 in-9 x 4.69 in bolts with grease zerk fittings for easier maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan these springs be used on motor vehicles?\u003c\/strong\u003e\u003cbr\u003eNo, these leaf springs are designed only for trailer applications and not for motor vehicle suspension.\u003c\/p\u003e","brand":"dreamdragon","offers":[{"title":"Default Title","offer_id":48261168464091,"sku":"B0DKSTM5G5","price":420.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81uSNtaS4CL._AC_SL1500.jpg?v=1776360134","url":"https:\/\/gearmusthave.com\/products\/dreamdragon-7k-tandem-trailer-suspension-kit-with-5-leaf-springs","provider":"GearMustHave","version":"1.0","type":"link"}