{"product_id":"alternator-for-john-deere-lawn-utility-tractors-1986-1997","title":"Alternator for John Deere Lawn \u0026 Utility Tractors 1986-1997","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333333; max-width: 900px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"background-color: #2c3e50; color: #ffffff; padding: 40px 20px; text-align: center; border-radius: 6px 6px 0 0;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; color: #ffffff;\"\u003eAlternator for John Deere Lawn \u0026amp; Utility Tractors 1986-1997\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; font-size: 16px; color: #bdc3c7;\"\u003eJohn Deere Lawn Tractors, Mowers \u0026amp; Utility Tractors - 12V 20A\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 25px; border: 1px solid #e0e0e0; border-top: none; background-color: #ffffff;\"\u003e\n\u003cp style=\"margin-top: 0;\"\u003eThis permanent magnet alternator is a direct replacement across a wide range of John Deere lawn tractors, mowers and utility tractors built between 1986 and 1997, engineered to OEM specifications for fit and function. It is designed to bolt straight into the existing mounting points without modification.\u003c\/p\u003e\n\u003cp style=\"margin-top: 0;\"\u003eIt is rated at 12 volts and 20 amps, and shares its design lineage with Komatsu\/Yanmar-built units used across this John Deere range, so it installs as a like-for-like replacement. Because this alternator covers such a broad model range, we recommend checking the OEM cross-reference table below against your existing unit before ordering.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; margin-top: 20px; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin: 0;\"\u003e\n\u003cli\u003e12-Volt, 20 Amp permanent magnet alternator\u003c\/li\u003e\n\u003cli\u003eDirect OEM fit across the John Deere lawn \u0026amp; utility tractor range\u003c\/li\u003e\n\u003cli\u003eWide model coverage - see fitment table below\u003c\/li\u003e\n\u003cli\u003e12-month warranty as standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eTechnical Specs\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAmperage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003ePermanent Magnet Alternator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eLester Reference\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e10939\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eVehicle Fitment Guide\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #7f8c8d; margin-top: 0;\"\u003eYears shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eMake \u0026amp; Model\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere F915 Mower\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1986 onwards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 2210 \/ 2500 \/ 2653 Mowers\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 415 \/ 425 \/ 445 \/ 455 Lawn Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1993-1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere X475 \/ X485 \/ X575 \/ X585 Lawn Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere X700 \/ X720 \/ X724 \/ X728 \/ X729 \/ X748 Lawn Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 1070 Utility Tractor\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1989-1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 2305 \/ 2320 \/ 2520 Utility Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 4010 \/ 4100 \/ 4110 \/ 4115 Utility Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eNot specified by supplier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 670 \/ 770 \/ 870 Utility Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1989-1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere 790 \/ 970 \/ 990 Utility Tractors\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1989-1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eOEM Part Number Cross Reference\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #7f8c8d; margin-top: 0;\"\u003eAftermarket replacement. OEM part numbers are listed for reference only.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003ePart Number\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; background-color: #ecf0f1; border: 1px solid #e0e0e0;\"\u003eManufacturer \/ Brand\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAM877557\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eAM879144\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eCH15587\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eMIA10338\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eSE501822\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eSE801843\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eJohn Deere\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e129150-77201\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eYanmar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e129150-77202\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eYanmar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e124190-77201\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eASV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e10939\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eLester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; background-color: #fcfcfc; border: 1px solid #e0e0e0; border-radius: 6px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 20px; color: #2c3e50; margin-bottom: 10px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWill this alternator fit my John Deere tractor without modification?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eYes, this is a direct OEM-fit replacement built to the original specification, so no modification is required for installation - it uses the same mounting points as the unit it replaces.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWhat's included?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eYou will receive one complete alternator unit, ready to fit. Your existing pulley, belt and wiring connector should be reused as normal.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eHow can I tell my old alternator has failed?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eCommon signs include a battery warning light on the dash, dimming or flickering lights, or a battery that will not hold charge even after a full charge cycle.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eMy tractor isn't listed exactly - will this still fit?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eThis alternator covers a wide range of John Deere models sharing the same OEM part numbers; please compare the OEM number on your existing alternator against the cross-reference table above to confirm compatibility before ordering.\u003c\/p\u003e\n\u003ch4 style=\"font-size: 16px; color: #2c3e50; margin: 15px 0 5px;\"\u003eWhat output does this alternator produce?\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eIt is rated at 12 volts and 20 amps, matching the original permanent magnet unit fitted across this John Deere range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 30px; text-align: center; font-size: 14px; color: #7f8c8d; border-top: 1px solid #eee; padding-top: 20px;\"\u003eDispatched from the UK · 12-month warranty · Fitment support from our technical team\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Moto-Electrical","offers":[{"title":"Default Title","offer_id":59237176803673,"sku":"400-58013","price":129.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/9268\/8473\/files\/zoom_John_Deere_Tractors_Alternator_-13398_6068b100-892a-45ad-b898-2925ee3c0443.jpg?v=1788102893","url":"https:\/\/4drive.co.uk\/products\/alternator-for-john-deere-lawn-utility-tractors-1986-1997","provider":"4Drive","version":"1.0","type":"link"}