{"product_id":"tengmujx-50-spindle-assembly-for-50-inch-decks-replaces-oem-618-06980-918-06980-aluminum-housing-grease-zerk","title":"TENGMUJX 50\" Spindle Assembly for 50-inch Decks — Replaces OEM 618-06980\/918-06980, Aluminum Housing \u0026 Grease Zerk","description":"\u003cp\u003e\u003cstrong\u003eTENGMUJX 50-inch spindle assembly that replaces OEM 618-06980 \/ 918-06980, restoring blade drive and deck performance on compatible zero-turn and riding mowers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your 50\" mower deck is wobbling, making noise, or no longer delivering a clean cut, this TENGMUJX spindle assembly is a direct-fit replacement engineered for durability and straightforward installation. It's made to match common OEM specifications for Cub Cadet, Troy-Bilt, Craftsman and related models, using corrosion-resistant finishes and precision machining so blades sit solidly and spin true.\u003c\/p\u003e\n\n\u003ch3\u003eWhich mower models and deck sizes does this spindle fit?\u003c\/h3\u003e\n\n\u003cp\u003eThis spindle is designed for a wide range of 50\" decks from several manufacturers. It lists compatibility with many Cub Cadet ZT and XT series machines, Troy-Bilt Super Mustang and related 50\" decks, plus Craftsman models that share the same mounting pattern.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM numbers: 618-06980 and 918-06980\u003c\/li\u003e\n  \u003cli\u003eFits 50\" decks such as ZT1-50, XT1-50, GT50, RZT-50, L50, S50\u003c\/li\u003e\n  \u003cli\u003eCompatible with Troy-Bilt Super Bronco, Mustang XP 50 and related models\u003c\/li\u003e\n  \u003cli\u003eAlso suitable for Craftsman\/MTD decks that use the same spindle geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is the TENGMUJX spindle assembly?\u003c\/h3\u003e\n\n\u003cp\u003eThe assembly uses high-quality aluminum alloy for the housing and a brass grease zerk to keep bearings lubricated while resisting corrosion. Zinc-plated fasteners and precision CNC threading reduce the risk of seizing and ensure a secure, long-lasting connection between deck, spindle and blade adapter.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAluminum-alloy housing for strength with reduced weight\u003c\/li\u003e\n  \u003cli\u003eBrass grease fitting for simple maintenance and improved bearing life\u003c\/li\u003e\n  \u003cli\u003eZinc-plated screws and anti-rust finishes to resist exposure\u003c\/li\u003e\n  \u003cli\u003ePrecision CNC threading for accurate fit and minimal burrs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation something I can do at home?\u003c\/h3\u003e\n\n\u003cp\u003eYes — the design includes four threaded mounting bolts and a 6-point blade adapter, which simplify removal of the old unit and securing of the new spindle. Basic tools and standard safety precautions are all that’s required; follow torque specs and safety recommendations from your mower manufacturer when reinstalling blades and belts.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFour threaded mounting points for direct bolt-in replacement\u003c\/li\u003e\n  \u003cli\u003e6-point blade adapter for secure blade engagement\u003c\/li\u003e\n  \u003cli\u003eCompatible with existing pulleys and belts when models match\u003c\/li\u003e\n  \u003cli\u003eRecommended: basic hand tools, torque wrench, and safety gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance should I expect after installation?\u003c\/h3\u003e\n\n\u003cp\u003eRoutine checks and periodic greasing at the provided zerk fitting help maximize lifespan and keep the spindle running smoothly. Inspect fasteners, pulleys and blades after a few hours of initial use to confirm correct fit and alignment.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGrease bearings through brass zerk at regular intervals\u003c\/li\u003e\n  \u003cli\u003eCheck mounting bolts and blade adapter torque after first runs\u003c\/li\u003e\n  \u003cli\u003eInspect for unusual vibration or noise and re-torque if needed\u003c\/li\u003e\n  \u003cli\u003eReplace blades or belts if wear is found during inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This TENGMUJX spindle assembly is aimed at owners and technicians of 50\" zero-turn and lawn-tractor decks who need a reliable, OEM-compatible replacement part. It suits DIYers comfortable with basic mechanical work and professional shops looking for a durable spindle with corrosion-resistant hardware and precision fit. If your mower matches the listed models or OEM numbers and you need to stop wobble, reduce noise, and restore cutting performance, this assembly is a practical replacement option.\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 replace OEM 618-06980 and 918-06980?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This TENGMUJX assembly is made to replace OEM part numbers 618-06980 and 918-06980 for compatible 50\" decks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need to buy new blades or belts after installing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not usually. Blades and belts remain usable if in good condition; inspect for wear and replace only if damaged or beyond service limits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TENGMUJX","offers":[{"title":"Default Title","offer_id":56830187503956,"sku":"B0CRR1HJG4","price":76.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/tengmujx-front-view-spindle-assembly_e8aac41c-3658-4cf8-9445-d5411d7d489e.jpg?v=1787002394","url":"https:\/\/gardenluxe.co.uk\/products\/tengmujx-50-spindle-assembly-for-50-inch-decks-replaces-oem-618-06980-918-06980-aluminum-housing-grease-zerk","provider":"Gardenluxe Uk","version":"1.0","type":"link"}