{"product_id":"am143310-mower-gear-case-gearbox-for-john-deere-425-445-455-48in-54in-60in-decks","title":"AM143310 Mower Gear Case Gearbox For John Deere 425 445 455 48in 54in 60in Decks","description":"\u003cstrong\u003eThis Mower Gear Case Gearbox is a replacement mower deck gearbox compatible with John Deere 425, 445, and 455 tractors using 48-inch, 54-inch, and 60-inch mower decks and matches OEM part number AM143310.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThis mower gear case gearbox transfers power from the tractor PTO to the mower blades for efficient cutting. Manufactured to exact specifications, this gearbox meets the demands of John Deere 425, 445, and 455 lawn tractors. The gearbox replaces worn or damaged OEM units to restore full mower deck functionality.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty cast iron housing for long-term durability\u003c\/li\u003e\n\u003cli\u003ePrecision-cut, heat-treated gears for smooth, quiet operation\u003c\/li\u003e\n\u003cli\u003eSealed bearings and oil-lubricated internals reduce maintenance\u003c\/li\u003e\n\u003cli\u003ePre-filled with high-quality gear oil and ready to install\u003c\/li\u003e\n\u003cli\u003eDirect match to OEM part AM143310 with exact mounting dimensions\u003c\/li\u003e\n\u003cli\u003eCompatible with 48-inch, 54-inch, and 60-inch mower decks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohn Deere 425 with 48-inch, 54-inch, or 60-inch mower decks\u003c\/li\u003e\n\u003cli\u003eJohn Deere 445 with 48-inch, 54-inch, or 60-inch mower decks\u003c\/li\u003e\n\u003cli\u003eJohn Deere 455 with 48-inch, 54-inch, or 60-inch mower decks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eResidential lawn mowing for large acreage properties\u003c\/li\u003e\n\u003cli\u003eTurf maintenance for commercial landscaping\u003c\/li\u003e\n\u003cli\u003ePasture and field mowing with compatible tractor and deck\u003c\/li\u003e\n\u003cli\u003eReplacement for failed OEM gearbox to restore cutting performance\u003c\/li\u003e\n\u003cli\u003eUpkeep of golf courses, parks, and sports fields with deck attachments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e AM143310\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this gearbox a direct bolt-on replacement for the factory unit?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this gearbox matches the OEM bolt pattern and shaft dimensions, making it a straightforward swap without modifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How often should I change the gear oil?\u003cstrong\u003e A:\u003c\/strong\u003e Inspect the oil level every 50 hours of operation and change it annually or as recommended in your tractor's service manual for optimal gear life.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679676555537,"sku":"ZZ3A01448","price":365.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_6239c416-ad49-4b31-939c-7a20d4f95e60.jpg?v=1781652681","url":"https:\/\/www.duraforce.com\/products\/am143310-mower-gear-case-gearbox-for-john-deere-425-445-455-48in-54in-60in-decks","provider":"DURAFORCE","version":"1.0","type":"link"}