{"product_id":"8ten-lawnrazor-mulching-blades-for-john-deere-60-inch-deck-tcu18990-3-pack-rolled-mulch-profile","title":"8TEN LawnRAZOR Mulching Blades for John Deere 60-Inch Deck TCU18990 — 3-Pack, Rolled Mulch Profile","description":"\u003cstrong\u003e8TEN LawnRAZOR mulching blades are replacement mower blades engineered to fit John Deere 60-inch decks using OEM part TCU18990, supplied here as a convenient 3-pack.\u003c\/strong\u003e\n\n\u003cp\u003eThese blades are designed to restore cutting performance on compatible John Deere zero-turn and lawn tractor models by matching the original blade geometry and mounting dimensions. Built for mulching rolled profiles, each blade measures 20 7\/8\" long, 2 1\/2\" wide and 0.236\" thick, with a 7\/8\" center-hole circle so installation aligns with factory spindles. The pack of three offers spare blades for full-deck servicing or quick replacement when you need to maintain a sharp, even cut across a 60-inch deck.\u003c\/p\u003e\n\n\u003ch3\u003eWill these blades fit my John Deere mower?\u003c\/h3\u003e\n\u003cp\u003eIf your mower lists OEM part TCU18990 or one of the supported model numbers, these 8TEN LawnRAZOR blades will fit and bolt into place without modification. Double-check the deck width and center hole diameter before purchase to confirm compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with John Deere models: Z720A, Z840A, Z915B, Z915E, Z920M, Z925M, Z930A\u003c\/li\u003e\n  \u003cli\u003eAlso fits: Z930M, Z930R, Z950A, Z950M, Z950R, Z960A, Z960M, Z960R\u003c\/li\u003e\n  \u003cli\u003eDesigned for 60-inch decks and OEM part TCU18990\u003c\/li\u003e\n  \u003cli\u003eCenter hole circle: 7\/8\" (0.906\") for correct spindle fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these mulching blades affect mowing results?\u003c\/h3\u003e\n\u003cp\u003eThe rolled mulching profile chops clippings finely and circulates them within the deck so they break down faster and feed nutrients back into the turf. Properly installed and sharpened blades deliver an even cut, reduced clumping, and a neater finished appearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRolled-mulch edge boosts clipping re-cutting and dispersion\u003c\/li\u003e\n  \u003cli\u003eMatched length and width preserve original deck airflow and lift\u003c\/li\u003e\n  \u003cli\u003eThree blades cover a full 60\" deck for balanced performance\u003c\/li\u003e\n  \u003cli\u003eReplacement restores original cutting geometry for cleaner results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key dimensions and build details?\u003c\/h3\u003e\n\u003cp\u003eThese 8TEN blades mirror the dimensions you need to replace John Deere TCU18990 blades accurately. The thickness and rolled profile are selected to resist bending while maintaining the cutting edge needed for mulching tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBlade length: 20 7\/8\" (20.875\")\u003c\/li\u003e\n  \u003cli\u003eWidth: 2 1\/2\" (2.5\") — matches deck specifications\u003c\/li\u003e\n  \u003cli\u003eThickness: 0.236\" for toughness and edge retention\u003c\/li\u003e\n  \u003cli\u003eType: Mulch rolled profile for re-cutting clippings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these blades?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same steps as the factory blades: remove the old blades, align the center hole over the spindle, torque mounting hardware to the manufacturer’s specification, and check blade balance. Regular sharpening and inspection for damage will prolong blade life and maintain cut quality.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways disconnect spark plug and follow safety procedures before service\u003c\/li\u003e\n  \u003cli\u003eTorque mounting bolts to John Deere recommended specifications\u003c\/li\u003e\n  \u003cli\u003eCheck for balance after sharpening to avoid vibration\u003c\/li\u003e\n  \u003cli\u003eReplace blades in sets when wear is uneven across the deck\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Landscapers, property owners, and maintenance crews who operate John Deere zero-turn and lawn tractor models with 60-inch decks and require OEM-compatible mulching performance will benefit from this 3-pack. It’s a practical purchase for anyone needing a full set of replacement blades to restore factory cutting action, keep mowing efficient, and ensure even grass finish across large turf areas. If you need OEM fitment, accurate dimensions, and a mulching profile that re-cuts clippings, these 8TEN LawnRAZOR blades are built to match those requirements without extra modification.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these blades the same as John Deere part TCU18990?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These 8TEN blades are compatible replacements designed to match OEM part TCU18990 dimensions and fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these blades on any 60-inch deck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit 60-inch decks that accept the TCU18990 blade profile and 7\/8\" center hole; verify your mower model list for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"8TEN","offers":[{"title":"Default Title","offer_id":56834350416212,"sku":"B0CKY3H5M4","price":109.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/8ten-lawnrazor-front-view-packaging_870eefcc-5888-440b-a6ae-29b5df8edfd4.jpg?v=1787049228","url":"https:\/\/gardenluxe.co.uk\/products\/8ten-lawnrazor-mulching-blades-for-john-deere-60-inch-deck-tcu18990-3-pack-rolled-mulch-profile","provider":"Gardenluxe Uk","version":"1.0","type":"link"}