{"product_id":"engine-kohler-kt740-3097","title":"KT740-3097 Kohler 7000 Series Engine — 25 HP, 1-inch Vertical Shaft","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eFind a replacement powerplant for a compatible riding mower or zero-turn mower with the \u003cstrong\u003eKohler KT740-3097 7000 Series engine\u003c\/strong\u003e. This seller-listed new engine is advertised at \u003cstrong\u003e25 HP\u003c\/strong\u003e with a \u003cstrong\u003e1-inch diameter × 3-5\/32-inch vertical crankshaft\u003c\/strong\u003e and a \u003cstrong\u003e15-amp alternator\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe KT740 family uses an \u003cstrong\u003eair-cooled, four-cycle, OHV V-twin design\u003c\/strong\u003e with cast-iron cylinder liners and pressure lubrication with a full-flow oil filter. The complete \u003cstrong\u003eKT740-3097\u003c\/strong\u003e specification identifies the engine offered here.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Match the complete engine specification and your mower's requirements before ordering. A matching horsepower rating or shaft diameter alone does not establish compatibility.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKohler KT740-3097 Engine Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eManufacturer \/ Series\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eKohler \/ 7000 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eModel and Specification\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eKT740-3097\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003ePublished KT740 Power Rating\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e25 HP at 3,600 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eAdvertised Displacement\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e725cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eEngine Design\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFour-cycle gasoline, OHV V-twin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eCrankshaft Orientation\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eAdvertised Crankshaft Dimensions\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1-inch diameter × 3-5\/32-inch length, keyed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eAdvertised Crankshaft End Thread\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e7\/16-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eStarting System\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eElectric start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eAdvertised Charging System\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e15-amp alternator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eCooling \/ Lubrication\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAir cooling \/ pressure lubrication with full-flow oil filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding:10px;border:1px solid #ddd;text-align:left;\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNew, as listed by the seller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eIncluded Components\u003c\/h2\u003e\n\u003cp\u003eThe seller identifies the following components and features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKohler KT740-3097 engine assembly\u003c\/li\u003e\n\u003cli\u003e15-amp alternator\u003c\/li\u003e\n\u003cli\u003eOil filter and fuel pump\u003c\/li\u003e\n\u003cli\u003eFuel shut-off solenoid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMuffler and fuel tank are not included.\u003c\/strong\u003e Confirm the exact wiring connectors, throttle and choke arrangement, exhaust components, and installation hardware in the current seller's offer.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRiding Mower \u0026amp; Zero-Turn Engine Fitment\u003c\/h2\u003e\n\u003cp\u003eStart with the original engine's \u003cstrong\u003emodel, specification, and serial number\u003c\/strong\u003e. An existing KT740 label without its specification suffix is not enough to select a replacement.\u003c\/p\u003e\n\u003cp\u003eFor equipment originally using \u003cstrong\u003eKT740-3097\u003c\/strong\u003e, compare the identification label and installed configuration with the seller's engine photos. If your original specification differs, have a qualified engine dealer or repower specialist confirm the application.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft:\u003c\/strong\u003e Compare diameter, length, keyway, end thread, and shaft measurement reference points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting and clearance:\u003c\/strong\u003e Confirm the mounting pattern, air-cleaner clearance, hood clearance, and exhaust routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical system:\u003c\/strong\u003e Match starter connections, charging requirements, fuel-solenoid wiring, and the mower's safety circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Confirm the throttle cable and choke configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTO clutch and drive pulley:\u003c\/strong\u003e Check shaft engagement, pulley position, spacers, retaining hardware, and belt alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis engine uses a 1-inch crankshaft.\u003c\/strong\u003e A clutch with a 1-1\/8-inch bore does not directly match this shaft. Compare your existing clutch and drive components before planning the installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBefore the First Start\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe seller states that the engine ships without oil.\u003c\/strong\u003e Add the correct oil and verify the level before starting. Follow the applicable \u003ca href=\"https:\/\/techcomm.rehlko.com\/techcomm\/pdf\/32_590_29_AMERICAS.pdf\"\u003emanufacturer's owner's manual\u003c\/a\u003e for preparation and operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes this replace every Kohler KT740?\u003c\/h3\u003e\n\u003cp\u003eNo. The specification suffix matters. Compare the complete engine code and installation requirements before choosing this KT740-3097.\u003c\/p\u003e\n\u003ch3\u003eDoes it include a muffler or fuel tank?\u003c\/h3\u003e\n\u003cp\u003eNo. The seller lists this engine without a muffler or fuel tank. Confirm whether your existing components can be transferred or whether different components are required.\u003c\/p\u003e\n\u003ch3\u003eHow do I order this engine?\u003c\/h3\u003e\n\u003cp\u003eUse the Buy button on this page to view the seller's eBay listing. Review the final price, shipping, availability, included components, and return and warranty terms before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eNeed help identifying your existing engine or PTO clutch? \u003ca href=\"\/pages\/contact\"\u003eContact PTO Direct USA\u003c\/a\u003e with clear photos of the engine label, mower identification tag, and clutch label. You can also \u003ca href=\"\/collections\/engines\"\u003ebrowse our replacement engine collection\u003c\/a\u003e or \u003ca href=\"\/collections\/pto-clutches\"\u003ecompare electric PTO clutches\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAffiliate disclosure:\u003c\/strong\u003e This engine is sold and fulfilled by the linked eBay seller. PTO Direct USA may earn a commission when you buy through our affiliate link, at no additional cost to you.\u003c\/p\u003e","brand":"Kohler","offers":[{"title":"Default Title","offer_id":67692386779503,"sku":"ENGINE-KT740-3097","price":1184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/engines-kohler-kt740-3097-main.jpg?v=1791434305","url":"https:\/\/ptodirectusa.com\/products\/engine-kohler-kt740-3097","provider":"PTO Direct USA","version":"1.0","type":"link"}