{"title":"Extra Heavy Duty Casters","description":"\u003cp class=\"osc-lead\"\u003eExtra-heavy-duty overstock casters carry \u003cb\u003e4,000 lb and up per caster\u003c\/b\u003e for dies, presses, transformers, and maximum-load transport. Verified surplus and closeout units, priced below MSRP, with full freight and crate detail on every listing.\u003c\/p\u003e\u003ch2\u003eWhat counts as extra heavy duty\u003c\/h2\u003e\u003cp\u003eExtra heavy duty starts around 4,000 lb per caster and climbs higher for kingpinless and dual-wheel designs. Wheels are forged steel, ductile iron, or high-load phenolic on heavy plates, engineered for shock load, towing, and continuous duty.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDies, presses, transformers, heavy fixtures\u003c\/li\u003e\n\u003cli\u003eForged steel \/ ductile iron \/ phenolic wheels\u003c\/li\u003e\n\u003cli\u003eKingpinless and dual-wheel designs\u003c\/li\u003e\n\u003cli\u003eShock-load and towline rated\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuying extra-heavy-duty overstock\u003c\/h2\u003e\u003cp\u003eThese are freight-only, often crated. Listings detail total weight, crate dimensions, freight class, and liftgate or dock requirements so procurement can plan delivery and handling.\u003c\/p\u003e\u003cdiv class=\"osc-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy kingpinless?\u003c\/summary\u003e\u003cdiv class=\"osc-faq__a\"\u003eKingpinless swivel construction removes the single failure point of a kingpin, handling shock and towline loads far better — preferred for the heaviest applications.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these towable?\u003c\/summary\u003e\u003cdiv class=\"osc-faq__a\"\u003eMany extra-heavy units are rated for powered towing at low speed. Confirm the towing rating on the listing before use in a train.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","products":[],"url":"https:\/\/overstockcasters.com\/collections\/extra-heavy-duty-casters.oembed","provider":"OverstockCasters.com","version":"1.0","type":"link"}