{"title":"GEARBOXES","description":"\u003cp\u003eShop center pivot gearboxes for agricultural irrigation systems, including UMC gearboxes for center pivots and lateral\/linear systems. Find replacement gearboxes for standard and heavy-duty applications, including heavy spans, corner systems, lateral carts, and high-hour irrigation equipment.\u003c\/p\u003e","products":[{"product_id":"umc-gearbox","title":"UMC 740-U Gearbox - 50:1 Center Pivot Gearbox","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eUMC 740-U™ Gearbox\u003c\/strong\u003e is a 50:1 final drive gearbox designed for Reinke center pivot and lateral\/linear irrigation systems. Built for demanding field conditions, it features larger input bearings that allow it to handle heavier loads, larger wheels, and heavier spans than legacy UMC gearbox designs.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50:1 gear ratio\u003c\/li\u003e\n\u003cli\u003eDesigned for Reinke center pivot and linear irrigation systems\u003c\/li\u003e\n\u003cli\u003eLarger input bearings for increased load capacity\u003c\/li\u003e\n\u003cli\u003eSupports heavier spans and larger wheels\u003c\/li\u003e\n\u003cli\u003eBuilt for a wide range of field conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holdrege Irrigation","offers":[{"title":"Default Title","offer_id":16041034154058,"sku":"112118","price":731.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/4416\/8010\/files\/Untitleddesign_78.webp?v=1788379960"},{"product_id":"umc-740-uv-gearbox","title":"UMC 740-UV Gearbox - 52:1 Center Pivot Gearbox","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eThe UMC 740-UV Gearbox\u003c\/strong\u003e is a 52:1 final drive gearbox designed for center pivot and lateral\/linear irrigation systems using positive offset wheels. It features an extended 2.25-inch steel output shaft, large input bearings, cartridge seals, and enhanced gear material designed for increased load capacity, reduced gear wear, and lower operating temperatures.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e52:1 gear ratio\u003c\/li\u003e\n\u003cli\u003e2.25\" diameter extended steel output shaft\u003c\/li\u003e\n\u003cli\u003eDesigned for center pivot and lateral\/linear irrigation systems\u003c\/li\u003e\n\u003cli\u003eDesigned for positive offset wheels\u003c\/li\u003e\n\u003cli\u003e25° pressure angle with full recess action gear design\u003c\/li\u003e\n\u003cli\u003eCartridge input and output seals\u003c\/li\u003e\n\u003cli\u003eLarge input bearings\u003c\/li\u003e\n\u003cli\u003e13-bolt mounting pattern\u003c\/li\u003e\n\u003cli\u003eFull-cycle external expansion chamber with stainless steel cover\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExternal input and output seal protectors\u003c\/li\u003e\n\u003cli\u003eTop oil fill plug\u003c\/li\u003e\n\u003cli\u003eFilled with extreme-pressure gear oil\u003c\/li\u003e\n\u003cli\u003eDual-ended input shaft with hub cap for unused end\u003c\/li\u003e\n\u003cli\u003eExtra-long carriage bolts for use with reinforced rims\u003c\/li\u003e\n\u003cli\u003ePositive wheel register\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holdrege Irrigation","offers":[{"title":"Default Title","offer_id":41858505146501,"sku":"112119","price":704.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/4416\/8010\/files\/Untitleddesign-2026-09-10T163003.285.webp?v=1789075846"},{"product_id":"umc-765-uv-ad-gearbox","title":"UMC 765-UV-AD Gearbox","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eUMC 765-UV-AD Gearbox\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003e52:1 gearbox\u003c\/strong\u003e designed for center pivots and lateral\/linear irrigation systems operating in demanding conditions. It is built for applications such as \u003cstrong\u003ecorner systems, lateral carts, heavy towers, high annual operating hours, and extreme field conditions\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 765-UV-AD features a \u003cstrong\u003e2.50-inch extended steel output shaft\u003c\/strong\u003e, 9-bolt mounting pattern, large output bearings, and UMC's vented internal diaphragm system to help minimize internal pressure buildup and reduce the risk of oil leaks. It can also serve as a direct replacement in applications using \u003cstrong\u003e52:1 gearboxes\u003c\/strong\u003e as standard equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e UMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 765-UV-AD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Ratio:\u003c\/strong\u003e 52:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Center Pivot and Lateral\/Linear Irrigation Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Shaft:\u003c\/strong\u003e 2.50 in. Extended Steel Shaft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Pattern:\u003c\/strong\u003e 9-Bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Design:\u003c\/strong\u003e 25° Pressure Angle, Full Recess Action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e Dual-Ended with Hub Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeals:\u003c\/strong\u003e Cartridge Input and Output Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Protection:\u003c\/strong\u003e External Input and Output Seal Protectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Plugs:\u003c\/strong\u003e 3\/4 in. Fill and Drain Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e Extreme-Pressure Worm Gear Oil\u003c\/li\u003e\n\u003cli\u003eVented internal diaphragm with large expansion cavity\u003c\/li\u003e\n\u003cli\u003eEnhanced gear material designed for increased load capacity and reduced gear wear\u003c\/li\u003e\n\u003cli\u003eLarge output bearings for demanding applications\u003c\/li\u003e\n\u003cli\u003eExtra-long carriage bolts for use with reinforced rims\u003c\/li\u003e\n\u003cli\u003eBronze gear available as an option\u003c\/li\u003e\n\u003cli\u003eUMC Four-Rib Design®\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holdrege Irrigation","offers":[{"title":"Default Title","offer_id":41866898735237,"sku":"112011","price":989.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/4416\/8010\/files\/Untitleddesign-2026-09-15T093143.034.webp?v=1789482777"},{"product_id":"umc-745-u-ad-gearbox-50-1","title":"UMC 745-U-AD Gearbox | 50:1","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eUMC 745-U-AD Gearbox\u003c\/strong\u003e is a heavy-duty gearbox designed for center pivots and lateral\/linear irrigation systems. It is well suited for \u003cstrong\u003eheavy spans, lightweight lateral\/linear carts, and corner steering applications\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe 745-U-AD features a \u003cstrong\u003e50:1 gear ratio\u003c\/strong\u003e and \u003cstrong\u003e2.50-inch steel output shaft\u003c\/strong\u003e, along with larger output bearings to handle increased overhung loads. Enhanced gear materials help increase load capacity, reduce gear wear, and lower operating temperatures for dependable performance in demanding irrigation applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e UMC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 745-U-AD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Ratio:\u003c\/strong\u003e 50:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Center Pivots and Lateral\/Linear Irrigation Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Shaft:\u003c\/strong\u003e 2.50 in. Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Pattern:\u003c\/strong\u003e 11-Bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e Dual-Ended with Hub Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Seals:\u003c\/strong\u003e Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Seals:\u003c\/strong\u003e Dual\u003c\/li\u003e\n\u003cli\u003eLarge input bearings\u003c\/li\u003e\n\u003cli\u003eThicker output flange for added strength\u003c\/li\u003e\n\u003cli\u003eEnhanced gear material for increased load capacity and reduced wear\u003c\/li\u003e\n\u003cli\u003eFull-cycle external expansion chamber with stainless steel cover\u003c\/li\u003e\n\u003cli\u003eExternal input and output seal protectors\u003c\/li\u003e\n\u003cli\u003eTop oil fill plug\u003c\/li\u003e\n\u003cli\u003eFilled with extreme-pressure gear oil\u003c\/li\u003e\n\u003cli\u003eExtra-long carriage bolts for use with reinforced rims\u003c\/li\u003e\n\u003cli\u003ePositive wheel register\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holdrege Irrigation","offers":[{"title":"Default Title","offer_id":41866899849349,"sku":"112104","price":830.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/4416\/8010\/files\/DustRemovalPhotoEdit.webp?v=1789483981"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/4416\/8010\/collections\/DustRemovalPhotoEdit.webp?v=1789484490","url":"https:\/\/shop.holdregeirrigation.com\/collections\/center-pivot-gearbox.oembed","provider":"Holdrege Irrigation","version":"1.0","type":"link"}