{"product_id":"petmigo-54-spindle-assembly-3-pack-for-54-inch-decks-direct-fit-replacements-for-cub-cadet-mtd-troy-bilt-oem-dimensions","title":"PetMigo 54\" Spindle Assembly 3-Pack for 54-inch Decks — Direct-Fit Replacements for Cub Cadet\/MTD\/Troy-Bilt, OEM Dimensions","description":"\u003cp\u003e\u003cstrong\u003ePetMigo RZT-S54 is a 3-pack replacement spindle assembly engineered for 54\" mowing decks that restores cutting performance on compatible Cub Cadet, MTD, Troy-Bilt and Craftsman models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 54-inch deck is showing uneven cuts, excess vibration, or seized pulley spindles, this PetMigo RZT-S54 spindle assembly set offers a direct-fit replacement to bring your mower back into reliable service. Each spindle is manufactured to match the original mounting and pulley dimensions so you can swap them in without modifying your deck geometry. The package includes three assembled spindles, ready to install on decks listed below.\u003c\/p\u003e\n\n\u003ch3\u003eWill these spindles physically fit my 54\" deck?\u003c\/h3\u003e\n\u003cp\u003eThese assemblies are made to the same external dimensions as the factory parts used on many 54\" decks. The spindle height and pulley diameter are specified so you can confirm fitment against your existing units before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpindle overall height: 6 13\/16\" (measured from base to top of housing).\u003c\/li\u003e\n  \u003cli\u003ePulley outside diameter: 5 7\/16\" to match belt alignment.\u003c\/li\u003e\n  \u003cli\u003eIncludes three complete spindle assemblies for full-deck replacement.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement numbers include Cub Cadet 618-06978 and 918-06978.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich mower makes and models are compatible?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers a broad list of lawn tractors and zero-turns from major brands with 54\" decks. Review the model-year notes and excluded models listed so you order the correct spindle for your machine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCub Cadet: RZT-L54, RZT-S54, RZT-SX54, XT1-GT54, XT1-ST54 and other 54\" deck variants (note: not compatible with RZT-54).\u003c\/li\u003e\n  \u003cli\u003eTroy-Bilt: TB2454 series, Super Bronco 54 variants and Mustang XP models with 54\" decks.\u003c\/li\u003e\n  \u003cli\u003eMTD\/Craftsman: Fits several 13A\/14A\/17A series and Turn Tight models including T8400, G8400, G8600 and Z-series units.\u003c\/li\u003e\n  \u003cli\u003eCheck part references 618-06978, 918-06978 against your mower parts list for confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the practical benefits of replacing all three spindles at once?\u003c\/h3\u003e\n\u003cp\u003eReplacing the entire set at once restores uniform blade height and belt tension across the deck, reducing vibration and improving cut quality. A matched set prevents premature wear caused by pairing new components with worn neighbors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEven blade tracking and consistent cutting height across the deck.\u003c\/li\u003e\n  \u003cli\u003eSmoother operation and reduced belt slippage or tracking issues.\u003c\/li\u003e\n  \u003cli\u003eMinimizes future service by addressing all spindle wear points together.\u003c\/li\u003e\n  \u003cli\u003eTime-saving: one service interval replaces all three instead of repeating labor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: PetMigo RZT-S54 spindle assemblies suit owners of 54\" deck lawn tractors and zero-turn mowers who need dependable, OEM-style replacements. Ideal buyers include homeowners and small-property contractors maintaining Cub Cadet, MTD, Troy-Bilt or Craftsman machines listed above. If you’re seeing deck vibration, uneven cutting, or noisy spindles, choosing the three-pack ensures balanced performance and reduces the hassle of repeat repairs. Before ordering, compare the spindle height, pulley diameter, and manufacturer part numbers (618-06978 \/ 918-06978) to your existing parts to confirm compatibility. This product provides a straightforward replacement option for routine deck maintenance and mid-life component refreshes.\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: Does this spindle set replace part number 618-06978?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This PetMigo RZT-S54 three-pack is a direct replacement for 618-06978 and compatible OEM numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these on a Cub Cadet RZT-54?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These spindles fit many RZT-S54\/L54 variants but are not compatible with the Cub Cadet RZT-54 model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PetMigo","offers":[{"title":"Default Title","offer_id":56843503763796,"sku":"B09NVL5277","price":138.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/petmigo-rzt-s54-front-view-assembled-spindle.jpg?v=1787080257","url":"https:\/\/gardenluxe.co.uk\/products\/petmigo-54-spindle-assembly-3-pack-for-54-inch-decks-direct-fit-replacements-for-cub-cadet-mtd-troy-bilt-oem-dimensions","provider":"Gardenluxe Uk","version":"1.0","type":"link"}