{"product_id":"john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634754-656507-with-s2-s3a-engines-repair-manual-tm12138","title":"John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN: 634754-656507) with S2\/S3A Engines Repair Manual (TM12138)","description":"\u003ch2\u003eJohn Deere 670G, 670GP, 672G and 672GP Motor Graders Repair Manual PDF (TM12138)\u003c\/h2\u003e\n\u003cp\u003eThis factory Repair Manual provides complete repair, overhaul, and component-level servicing procedures for John Deere 670G, 670GP, 672G, and 672GP Motor Graders equipped with S2 and S3A engines. Manual TM12138 is developed for professional technicians, dealer service departments, and heavy equipment repair specialists requiring precise factory repair guidance.\u003c\/p\u003e\n\u003cp\u003eOrganized by system and subassembly, the manual delivers detailed disassembly, inspection, repair, and reassembly instructions supported by technical specifications, service limits, and adjustment data. It enables accurate repairs, reliable troubleshooting, and long-term grader performance under demanding working conditions.\u003c\/p\u003e\n\u003ch2\u003eModels Covered:\u003c\/h2\u003e\n\u003cp\u003eJohn Deere 670G Motor Grader\u003cbr\u003eJohn Deere 670GP Motor Grader\u003cbr\u003eJohn Deere 672G Motor Grader\u003cbr\u003eJohn Deere 672GP Motor Grader\u003c\/p\u003e\n\u003ch2\u003eSerial Number Range:\u003c\/h2\u003e\n\u003cp\u003eSN: 634754 – 656507\u003c\/p\u003e\n\u003ch2\u003eEngine Coverage:\u003c\/h2\u003e\n\u003cp\u003eS2 and S3A Engines\u003c\/p\u003e\n\u003ch2\u003eManual Coverage Includes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral Safety Guidelines and Machine Identification\u003c\/li\u003e\n\u003cli\u003eTechnical Specifications, Service Data, and Wear Limits\u003c\/li\u003e\n\u003cli\u003eEngine Repair, Disassembly, and Rebuild Procedures\u003c\/li\u003e\n\u003cli\u003eFuel System Testing, Calibration, and Component Repair\u003c\/li\u003e\n\u003cli\u003eAir Intake and Exhaust System Servicing\u003c\/li\u003e\n\u003cli\u003eCooling System Diagnostics and Component Repair\u003c\/li\u003e\n\u003cli\u003eTransmission, Differential, and Powertrain Repairs\u003c\/li\u003e\n\u003cli\u003eTandem, Axle, and Final Drive Overhaul Procedures\u003c\/li\u003e\n\u003cli\u003eHydraulic System Repair, Pressure Testing, and Adjustments\u003c\/li\u003e\n\u003cli\u003eMain Pumps, Control Valves, and Hydraulic Circuit Servicing\u003c\/li\u003e\n\u003cli\u003eSteering, Frame, and Articulation System Repairs\u003c\/li\u003e\n\u003cli\u003eBrake System Inspection, Repair, and Adjustment\u003c\/li\u003e\n\u003cli\u003eElectrical System Diagnostics and Wiring Schematics\u003c\/li\u003e\n\u003cli\u003eElectronic Controllers, Sensors, and Calibration Procedures\u003c\/li\u003e\n\u003cli\u003eTorque Specifications, Clearances, and Assembly Data\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFormat and Access Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstant Digital PDF Download\u003c\/li\u003e\n\u003cli\u003eLanguage: English\u003c\/li\u003e\n\u003cli\u003eFully Searchable and Indexed Manual\u003c\/li\u003e\n\u003cli\u003eHigh-Resolution Diagrams and Technical Illustrations\u003c\/li\u003e\n\u003cli\u003ePrintable Pages for Workshop and Field Use\u003c\/li\u003e\n\u003cli\u003eCompatible with Windows, macOS, Tablets, and Smartphones\u003c\/li\u003e\n\u003cli\u003eLogical Structure for Fast Repair Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy This Repair Manual Is Valuable:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFactory-approved repair and rebuild procedures\u003c\/li\u003e\n\u003cli\u003eSupports precise diagnostics and correct servicing\u003c\/li\u003e\n\u003cli\u003eHelps reduce downtime and repair errors\u003c\/li\u003e\n\u003cli\u003eEnsures compliance with John Deere service standards\u003c\/li\u003e\n\u003cli\u003eEssential for major repairs and component overhauls\u003c\/li\u003e\n\u003cli\u003eReliable reference for S2 and S3A engine platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe John Deere 670G, 670GP, 672G and 672GP Motor Graders Repair Manual PDF (TM12138) supplies the professional-level technical detail required for dependable repairs and long equipment service life.\u003c\/p\u003e\n\u003cp\u003eDownload the John Deere TM12138 Repair Manual PDF today for immediate access to official factory repair documentation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eQ: What is the purpose of the TM12138 manual?\u003c\/h3\u003e\n\u003cp\u003eA: TM12138 provides complete repair, overhaul, and component servicing procedures for covered motor graders.\u003c\/p\u003e\n\u003ch3\u003eQ: Which John Deere grader models are included?\u003c\/h3\u003e\n\u003cp\u003eA: It covers John Deere 670G, 670GP, 672G, and 672GP motor graders.\u003c\/p\u003e\n\u003ch3\u003eQ: What serial numbers does this repair manual apply to?\u003c\/h3\u003e\n\u003cp\u003eA: This manual applies to machines with serial numbers from 634754 to 656507.\u003c\/p\u003e\n\u003ch3\u003eQ: Which engines are covered in this manual?\u003c\/h3\u003e\n\u003cp\u003eA: The manual supports graders equipped with S2 and S3A engines.\u003c\/p\u003e\n\u003ch3\u003eQ: Does it include hydraulic and powertrain repair procedures?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, it includes complete hydraulic system, transmission, axle, and powertrain repair information.\u003c\/p\u003e\n\u003ch3\u003eQ: Are electrical and electronic systems covered?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, wiring diagrams, electronic diagnostics, and calibration procedures are included.\u003c\/p\u003e\n\u003ch3\u003eQ: Is this manual suitable for professional workshops?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, it is intended for dealer service centers, independent repair shops, and experienced technicians.\u003c\/p\u003e\n\u003ch3\u003eQ: Can the PDF be printed for shop use?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, the manual is fully printable for workshop or field reference.\u003c\/p\u003e","brand":"Manuals Shop","offers":[{"title":"Default Title","offer_id":44339571621990,"sku":null,"price":54.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/8358\/4102\/files\/john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634754-656507-with-s2s3a-engines-repair-manual-tm12138.jpg?v=1768550710","url":"https:\/\/manualsshop.com\/products\/john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634754-656507-with-s2-s3a-engines-repair-manual-tm12138","provider":"Manuals Shop","version":"1.0","type":"link"}