{"product_id":"john-deere-worm-gear-tcu40491","title":"John Deere Worm Gear - TCU40491","description":"\u003cp data-start=\"184\" data-end=\"743\"\u003eThe \u003cstrong data-start=\"188\" data-end=\"212\"\u003eWorm Gear – TCU40491\u003c\/strong\u003e is a genuine John Deere drivetrain component designed to transmit rotational motion and torque within compatible reel cutting unit gearcases. Worm gears are essential components in right-angle gear sets where they mesh with a worm wheel (worm wheel\/gear) to reduce speed and increase torque in compact, quiet drives. This part is manufactured to John Deere OEM standards to ensure correct gear tooth engagement, reliable performance, and long service life in turf-care and mower applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"745\" data-end=\"748\"\u003e\n\u003ch3 data-start=\"750\" data-end=\"770\"\u003e\u003cstrong data-start=\"754\" data-end=\"770\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"772\" data-end=\"1481\"\u003e\n\u003cli data-start=\"772\" data-end=\"926\"\u003e\n\u003cp data-start=\"774\" data-end=\"926\"\u003e\u003cstrong data-start=\"774\" data-end=\"805\"\u003eGenuine John Deere OEM Part\u003c\/strong\u003e – Built to original equipment specifications for dependable fit and performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"1072\"\u003e\n\u003cp data-start=\"929\" data-end=\"1072\"\u003e\u003cstrong data-start=\"929\" data-end=\"956\"\u003ePrecision Machined Gear\u003c\/strong\u003e – Provides accurate tooth profile for smooth, efficient power transmission. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1203\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1203\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1099\"\u003eDurable Construction\u003c\/strong\u003e – Designed to withstand load, torque, and mowing duty stresses. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1204\" data-end=\"1352\"\u003e\n\u003cp data-start=\"1206\" data-end=\"1352\"\u003e\u003cstrong data-start=\"1206\" data-end=\"1239\"\u003eCritical Drivetrain Component\u003c\/strong\u003e – Essential for proper operation of worm drive systems in cutting units. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1353\" data-end=\"1481\"\u003e\n\u003cp data-start=\"1355\" data-end=\"1481\"\u003e\u003cstrong data-start=\"1355\" data-end=\"1381\"\u003eDirect Replacement Fit\u003c\/strong\u003e – Installs easily in compatible reel cutting unit assemblies. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1483\" data-end=\"1486\"\u003e\n\u003ch3 data-start=\"1488\" data-end=\"1524\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1524\"\u003eFits These John Deere Models\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1526\" data-end=\"1728\"\u003eThis worm gear \u003cstrong data-start=\"1541\" data-end=\"1555\"\u003e(TCU40491)\u003c\/strong\u003e is commonly used in a variety of \u003cstrong data-start=\"1589\" data-end=\"1663\"\u003eJohn Deere turf and mowing machines with worm drive reel cutting units\u003c\/strong\u003e, including models such as: \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"1730\" data-end=\"2087\"\u003e\n\u003cli data-start=\"1730\" data-end=\"1750\"\u003e\n\u003cp data-start=\"1732\" data-end=\"1750\"\u003e\u003cstrong data-start=\"1732\" data-end=\"1748\"\u003e180E \/ 180SL\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1751\" data-end=\"1770\"\u003e\n\u003cp data-start=\"1753\" data-end=\"1770\"\u003e\u003cstrong data-start=\"1753\" data-end=\"1768\"\u003e220 \/ 220SL\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1771\" data-end=\"1796\"\u003e\n\u003cp data-start=\"1773\" data-end=\"1796\"\u003e\u003cstrong data-start=\"1773\" data-end=\"1794\"\u003e2400 PrecisionCut\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1797\" data-end=\"1837\"\u003e\n\u003cp data-start=\"1799\" data-end=\"1837\"\u003e\u003cstrong data-start=\"1799\" data-end=\"1835\"\u003e2500B \/ 2500E \/ 2550E-Cut Hybrid\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1838\" data-end=\"1851\"\u003e\n\u003cp data-start=\"1840\" data-end=\"1851\"\u003e\u003cstrong data-start=\"1840\" data-end=\"1849\"\u003e2653B\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1852\" data-end=\"1892\"\u003e\n\u003cp data-start=\"1854\" data-end=\"1892\"\u003e\u003cstrong data-start=\"1854\" data-end=\"1890\"\u003e2700 PrecisionCut \/ E-Cut Hybrid\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1893\" data-end=\"1933\"\u003e\n\u003cp data-start=\"1895\" data-end=\"1933\"\u003e\u003cstrong data-start=\"1895\" data-end=\"1931\"\u003e2750 PrecisionCut \/ E-Cut Hybrid\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1934\" data-end=\"1953\"\u003e\n\u003cp data-start=\"1936\" data-end=\"1953\"\u003e\u003cstrong data-start=\"1936\" data-end=\"1951\"\u003e6080A E-Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1954\" data-end=\"1973\"\u003e\n\u003cp data-start=\"1956\" data-end=\"1973\"\u003e\u003cstrong data-start=\"1956\" data-end=\"1971\"\u003e6500A E-Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1974\" data-end=\"1994\"\u003e\n\u003cp data-start=\"1976\" data-end=\"1994\"\u003e\u003cstrong data-start=\"1976\" data-end=\"1992\"\u003e7200 \/ 7200A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1995\" data-end=\"2021\"\u003e\n\u003cp data-start=\"1997\" data-end=\"2021\"\u003e\u003cstrong data-start=\"1997\" data-end=\"2019\"\u003e7500 \/ 7500A E-Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2022\" data-end=\"2034\"\u003e\n\u003cp data-start=\"2024\" data-end=\"2034\"\u003e\u003cstrong data-start=\"2024\" data-end=\"2032\"\u003e7700\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2035\" data-end=\"2061\"\u003e\n\u003cp data-start=\"2037\" data-end=\"2061\"\u003e\u003cstrong data-start=\"2037\" data-end=\"2059\"\u003e8000 \/ 8000A E-Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2062\" data-end=\"2087\"\u003e\n\u003cp data-start=\"2064\" data-end=\"2087\"\u003e\u003cstrong data-start=\"2064\" data-end=\"2087\"\u003e8500 \/ 8700 \/ 8900A\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2295\" data-end=\"2298\"\u003e\n\u003ch3 data-start=\"2300\" data-end=\"2332\"\u003e\u003cstrong data-start=\"2304\" data-end=\"2332\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2334\" data-end=\"2495\"\u003e\n\u003cli data-start=\"2334\" data-end=\"2363\"\u003e\n\u003cp data-start=\"2336\" data-end=\"2363\"\u003e\u003cstrong data-start=\"2336\" data-end=\"2352\"\u003ePart Number:\u003c\/strong\u003e TCU40491\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2364\" data-end=\"2397\"\u003e\n\u003cp data-start=\"2366\" data-end=\"2397\"\u003e\u003cstrong data-start=\"2366\" data-end=\"2385\"\u003eComponent Type:\u003c\/strong\u003e Worm gear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2398\" data-end=\"2423\"\u003e\n\u003cp data-start=\"2400\" data-end=\"2423\"\u003e\u003cstrong data-start=\"2400\" data-end=\"2410\"\u003eBrand:\u003c\/strong\u003e John Deere\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2424\" data-end=\"2495\"\u003e\n\u003cp data-start=\"2426\" data-end=\"2495\"\u003e\u003cstrong data-start=\"2426\" data-end=\"2442\"\u003eApplication:\u003c\/strong\u003e Right-angle drive within reel cutting unit gear sets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2497\" data-end=\"2500\"\u003e\n\u003ch3 data-start=\"2502\" data-end=\"2530\"\u003e\u003cstrong data-start=\"2506\" data-end=\"2530\"\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2532\" data-end=\"2568\"\u003eThis worm gear is typically used to:\u003c\/p\u003e\n\u003cul data-start=\"2570\" data-end=\"2845\"\u003e\n\u003cli data-start=\"2570\" data-end=\"2630\"\u003e\n\u003cp data-start=\"2572\" data-end=\"2630\"\u003eTransmit rotational motion in right-angle gearbox drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2631\" data-end=\"2701\"\u003e\n\u003cp data-start=\"2633\" data-end=\"2701\"\u003eReduce input speed and increase torque for reel cutting assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2702\" data-end=\"2762\"\u003e\n\u003cp data-start=\"2704\" data-end=\"2762\"\u003eMesh with worms and worm wheels in turf-care reel mowers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2763\" data-end=\"2845\"\u003e\n\u003cp data-start=\"2765\" data-end=\"2845\"\u003eServe as part of traction or reel drive mechanisms in turf maintenance equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2847\" data-end=\"2850\"\u003e\n\u003ch3 data-start=\"2852\" data-end=\"2900\"\u003e\u003cstrong data-start=\"2856\" data-end=\"2900\"\u003eWhy Choose Genuine John Deere Worm Gears\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2902\" data-end=\"3296\"\u003eUsing genuine John Deere components such as the \u003cstrong data-start=\"2950\" data-end=\"2974\"\u003eWorm Gear – TCU40491\u003c\/strong\u003e ensures correct tooth profile, precision fit, and consistent mesh with mating gears. Properly matched drivetrain parts help reduce noise, improve torque transfer, and extend the service life of your mower’s cutting or drive system — key to reliable and professional turf maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"John Deere","offers":[{"title":"Default Title","offer_id":57728641597821,"sku":"JD-TCU40491","price":58.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/TCU40491_iso2.jpg?v=1769094035","url":"https:\/\/ripongroundcare.com\/products\/john-deere-worm-gear-tcu40491","provider":"Ripon Ground Care","version":"1.0","type":"link"}