{"product_id":"tm4647-6120-6220-6320-6420-tractor-service-repair-manual","title":"TM4647 - JOHN DEERE 6420, 6120L, 6220L, 6320L, 6420L, 6520L TRACTOR SERVICE REPAIR MANUAL","description":"\u003ch1\u003eDOWNLOAD COMPLETE SERVICE REPAIR MANUAL FOR JOHN DEERE 6420, 6120L, 6220L, 6320L, 6420L, 6520L TRACTOR | PUBLICATION NUMBER - TM4647\u003c\/h1\u003e\n\u003cp\u003eThis comprehensive service repair manual covers the John Deere 6420, 6120L, 6220L, 6320L, 6420L, and 6520L tractor models. Designed for technicians and operators, it provides detailed diagnostic procedures, troubleshooting guides, and step-by-step repair instructions for engine, transmission, hydraulic, and electrical systems. The manual includes specifications, torque values, and component diagrams essential for accurate maintenance and restoration work. Whether performing routine servicing or complex repairs, this technical resource delivers the professional-grade information needed to keep these agricultural machines operating at peak performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCONTENT:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eForeword\u003cbr\u003eVersion Date\u003cbr\u003eSAFETY\u003cbr\u003eSafety Measures\u003cbr\u003eGENERAL INFORMATION\u003cbr\u003eSpecifications\u003cbr\u003eTune-Up\u003cbr\u003ePredelivery Inspection\u003cbr\u003eENGINE\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eFUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS\u003cbr\u003eSpeed Control\u003cbr\u003eFuel System\u003cbr\u003eAir Intake System\u003cbr\u003eCooling System\u003cbr\u003eCold-Weather Starting Aid\u003cbr\u003eExhaust System\u003cbr\u003eELECTRICAL SYSTEM\u003cbr\u003eConnectors\u003cbr\u003eWiring Harnesses\u003cbr\u003eCharging Circuit\u003cbr\u003eStarter Motor Circuit\u003cbr\u003eFuses, Relays and Switches\u003cbr\u003eMonitoring Systems\u003cbr\u003eElectrical Components\u003cbr\u003eSYNCROPLUS TRANSMISSION\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eTransmission Shift Controls\u003cbr\u003ePerma Clutch II Module\u003cbr\u003eGear Transmission\u003cbr\u003ePOWER REVERSER TRANSMISSION\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eTransmission Shift Controls\u003cbr\u003ePower Reverser Module\u003cbr\u003eGear Transmission\u003cbr\u003eAUTOPOWR\/IVT TRANSMISSION\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eTransmission Shift Controls\u003cbr\u003eInput Housing\u003cbr\u003eOutput Housing\u003cbr\u003eDifferential Drive Shaft Assembly\u003cbr\u003ePOWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eTransmission Shift Controls\u003cbr\u003ePowrQuad Module\u003cbr\u003eCreeper Transmission\u003cbr\u003eOption Transmission\u003cbr\u003eRange Transmission\u003cbr\u003eDRIVE SYSTEMS\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eU-Jointed Shafts and Torsion Damper\u003cbr\u003eFront-Wheel Drive Clutch\u003cbr\u003eDifferential\u003cbr\u003eHydraulic Pump Drive\u003cbr\u003eFinal Drives\u003cbr\u003eRear PTO\u003cbr\u003eFront PTO\u003cbr\u003eFront Implement Drive\u003cbr\u003eSTEERING AND BRAKES\u003cbr\u003eHydrostatic Steering\u003cbr\u003eSteering Cylinder\u003cbr\u003eBrake Valve\u003cbr\u003eRear Brakes\u003cbr\u003eAutoTrac\u003cbr\u003eHydraulic System\u003cbr\u003eControls\u003cbr\u003eHydraulic Pump and Charge Oil Pump\u003cbr\u003eValves\u003cbr\u003eRockshaft\u003cbr\u003eSelective Control Valves and Couplers\u003cbr\u003eIndependent Control Valve (ICV)\u003cbr\u003eMISCELLANEOUS\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eMain Frame\u003cbr\u003eFront Axle\u003cbr\u003eFront Wheels, Rear Wheels and Fenders\u003cbr\u003eTrailer Mounting and Swinging Drawbar\u003cbr\u003e Triple Link Suspension (TLS) of Front-Wheel Drive Axle\u003cbr\u003eOPERATOR′S CAB\u003cbr\u003eInstalling and Removing Components\u003cbr\u003eControls and Instruments\u003cbr\u003eAir Conditioning System\u003cbr\u003e ClimaTrak\u003cbr\u003eHeating System\u003cbr\u003eSeats\u003cbr\u003eOperator′s Cab\u003cbr\u003eLow-Clearance Cab\u003cbr\u003eCab Suspension\u003cbr\u003eSpecial Tools (Dealer-Fabricated)\u003cbr\u003eSpecial Tools (Dealer-Fabricated)\u003cbr\u003eSpecial Tools (available from the dealer)\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eTOTAL PAGE - 2556\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFILE FORMAT - PDF\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eLANGUAGE - ENGLISH\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"DIGITAL MANUAL DOWNLOAD","offers":[{"title":"Default Title","offer_id":45272079171762,"sku":"","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/4448\/5810\/files\/TM4647_-_JOHN_DEERE_6420_6120L_6220L_6320L_6420L_6520L_TRACTOR_SERVICE_REPAIR_MANUAL.png?v=1764752445","url":"https:\/\/www.digital-manual.com\/products\/tm4647-6120-6220-6320-6420-tractor-service-repair-manual","provider":"DIGITAL MANUALS","version":"1.0","type":"link"}