{"product_id":"grasscool-d140-17-toothed-mulching-lawn-mower-blades-for-48-decks-7-point-center-1-air-lift","title":"Grasscool D140 17\" Toothed Mulching Lawn Mower Blades for 48\" Decks — 7‑Point Center, 1\" Air Lift","description":"\u003cp\u003e\u003cstrong\u003eGrasscool D140 toothed mulching blades are heavy-duty 17\" replacement mower blades designed to fit 48\" decks on dozens of John Deere 100-series tractors, select zero-turn models, and LA\/DA series decks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Grasscool blades deliver a mulching-oriented tooth profile and precise 7-point center hole to replace OEM parts such as GX21784, GY20852, AM137757 and AM141035. Built to the dimensions of common mid-sized residential decks, the D140 blades are intended to restore cutting performance and promote finer clipping discharge for improved lawn appearance without changing your mower’s deck.\u003c\/p\u003e\n\n\u003ch3\u003eWill these blades fit my mower model?\u003c\/h3\u003e\n\u003cp\u003eGrasscool D140 blades are made to match the hole pattern, length and thickness used on many John Deere 100-series tractors and several residential zero-turn models. Fit depends on both the model number and the 7-point center hole, so confirm your current blade’s length and hole shape before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible replacement numbers: GX21784, GY20852, AM137757, AM141035\u003c\/li\u003e\n\u003cli\u003eFits models: 145, 155C, D140, D150, D155, D160, E140, E150, E160, E170\u003c\/li\u003e\n\u003cli\u003eAlso fits LA130–LA165 tractors and select Z245, Z255, Z355E zero-turns\u003c\/li\u003e\n\u003cli\u003eDeck size requirement: 48-inch mower deck\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact blade dimensions and design features?\u003c\/h3\u003e\n\u003cp\u003eThese blades are 17 inches long with a 7-point star center hole and a 1-inch air lift designed to help lift grass into the cutting path. Thickness and width match standard OEM tolerances for stable rotation and resistance to bending.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlade length: 17 inches\u003c\/li\u003e\n\u003cli\u003eAir lift (rise): 1 inch\u003c\/li\u003e\n\u003cli\u003eCenter hole: 7-point star shape\u003c\/li\u003e\n\u003cli\u003eWidth: 2-3\/4 inches; thickness: 5\/32 inch; cutting edge length: 4 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do toothed mulching blades change mowing results?\u003c\/h3\u003e\n\u003cp\u003eToothed mulching blades create additional cutting edges and airflow that helps chop clippings finer, allowing them to fall into the turf and decompose more quickly. This reduces visible clippings on the lawn and can improve the appearance of freshly mown grass when used on appropriate turf conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eToothed profile provides extra cutting serrations for finer clippings\u003c\/li\u003e\n\u003cli\u003eAir lift helps suspend grass for more complete cutting\u003c\/li\u003e\n\u003cli\u003eDesigned for 48\" decks to maintain deck balance and performance\u003c\/li\u003e\n\u003cli\u003ePainted finish protects against rust during storage and installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAny installation tips or important notices?\u003c\/h3\u003e\n\u003cp\u003eThe blades arrive with a protective paint layer intended to prevent rust and reduce the risk of handling cuts during installation. You do not need to remove the paint; it will wear off during initial use. Always confirm the replacement number, center hole type and blade dimensions before purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo paint removal required before first use; it wears away quickly\u003c\/li\u003e\n\u003cli\u003eVerify replacement numbers and blade size match your mower prior to ordering\u003c\/li\u003e\n\u003cli\u003eTorque blade bolts to manufacturer specs and check balance after installation\u003c\/li\u003e\n\u003cli\u003eReplace damaged blades as a matched set for even cutting and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Grasscool D140 toothed mulching blade is aimed at homeowners and small-farm operators using John Deere 100-series tractors, LA\/DA series lawn tractors or compatible residential zero-turn mowers with a 48\" deck who want a direct-fit replacement that improves mulching performance. Choose these blades if your mower requires a 17\" blade with a 7-point center hole and you want to restore cutting performance without modifying the deck.\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: Do these blades fit a 48-inch John Deere deck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They’re designed for 48\" mower decks on many John Deere 100-series tractors and listed zero-turn models, but confirm the 7-point center hole and 17\" length match your blade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I remove the paint before using the blades?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The paint is protective and will wear off after a few minutes of operation; removal is unnecessary.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Grasscool","offers":[{"title":"Default Title","offer_id":56831122309460,"sku":"B0D9K6HV5H","price":80.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/grasscool-d140-front-view.jpg?v=1787011680","url":"https:\/\/gardenluxe.co.uk\/products\/grasscool-d140-17-toothed-mulching-lawn-mower-blades-for-48-decks-7-point-center-1-air-lift","provider":"Gardenluxe Uk","version":"1.0","type":"link"}