{"product_id":"john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634754-656508-with-s2-s3a-engines-operation-and-test-manual-tm12136","title":"John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN: 634754-656508) with S2, S3A Engines Operation and Test Manual (TM12136)","description":"\u003ch2\u003eJohn Deere 670G, 670GP, 672G and 672GP Motor Graders Operation and Test Manual PDF (TM12136)\u003c\/h2\u003e\n\u003cp\u003eThis factory Operation and Test Manual provides complete operating instructions and in-depth system testing procedures for John Deere 670G, 670GP, 672G, and 672GP Motor Graders equipped with S2 and S3A engines. Manual TM12136 is intended for operators, service technicians, and maintenance professionals who require accurate operational guidance and diagnostic testing information.\u003c\/p\u003e\n\u003cp\u003eThe manual is organized by machine systems and functions, offering clear explanations of controls, operating checks, and step-by-step test procedures. It helps ensure safe operation, precise troubleshooting, and correct evaluation of grader systems to maintain optimal performance and reliability.\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 – 656508\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 Practices and Operating Precautions\u003c\/li\u003e\n\u003cli\u003eMachine Identification and Technical Specifications\u003c\/li\u003e\n\u003cli\u003eOperator Controls, Displays, and Indicators\u003c\/li\u003e\n\u003cli\u003eEngine Operation and Performance Testing\u003c\/li\u003e\n\u003cli\u003eFuel System Operation and Diagnostic Procedures\u003c\/li\u003e\n\u003cli\u003eAir Intake and Exhaust System Testing\u003c\/li\u003e\n\u003cli\u003eCooling System Operation and Functional Tests\u003c\/li\u003e\n\u003cli\u003eTransmission Operation and Test Procedures\u003c\/li\u003e\n\u003cli\u003ePowertrain System Checks and Adjustments\u003c\/li\u003e\n\u003cli\u003eHydraulic System Operation and Pressure Testing\u003c\/li\u003e\n\u003cli\u003eMain Pumps, Control Valves, and Circuit Diagnostics\u003c\/li\u003e\n\u003cli\u003eSteering, Brake, and Articulation System Testing\u003c\/li\u003e\n\u003cli\u003eElectrical System Operation and Diagnostic Charts\u003c\/li\u003e\n\u003cli\u003eElectronic Controllers, Sensors, and Calibration Procedures\u003c\/li\u003e\n\u003cli\u003eTroubleshooting Guides for Machine Performance Issues\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 Content\u003c\/li\u003e\n\u003cli\u003eHigh-Resolution Diagrams and Schematics\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\u003eEasy Navigation for Faster Diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy This Operation and Test Manual Is Important:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProvides factory-approved operating and testing procedures\u003c\/li\u003e\n\u003cli\u003eSupports accurate diagnosis before repair work\u003c\/li\u003e\n\u003cli\u003eHelps maintain engine and system efficiency\u003c\/li\u003e\n\u003cli\u003eReduces downtime through correct troubleshooting methods\u003c\/li\u003e\n\u003cli\u003eEssential reference for operators and service technicians\u003c\/li\u003e\n\u003cli\u003eSupports reliable operation of S2 and S3A engine platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe John Deere 670G, 670GP, 672G and 672GP Motor Graders Operation and Test Manual PDF (TM12136) is an essential resource for correct machine operation, detailed system testing, and dependable performance.\u003c\/p\u003e\n\u003cp\u003eDownload the John Deere TM12136 Operation and Test Manual PDF for immediate access to official factory documentation.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eQ: What is the purpose of the TM12136 manual?\u003c\/h3\u003e\n\u003cp\u003eA: TM12136 provides operating instructions and detailed test procedures for diagnosing and evaluating motor grader systems.\u003c\/p\u003e\n\u003ch3\u003eQ: Which John Deere models are covered in this manual?\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 number range does this manual apply to?\u003c\/h3\u003e\n\u003cp\u003eA: This manual applies to machines with serial numbers from 634754 to 656508.\u003c\/p\u003e\n\u003ch3\u003eQ: Which engines are included in TM12136?\u003c\/h3\u003e\n\u003cp\u003eA: The manual covers graders equipped with S2 and S3A engines.\u003c\/p\u003e\n\u003ch3\u003eQ: Does this manual include hydraulic and transmission testing?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, it includes complete hydraulic system and powertrain operation and test procedures.\u003c\/p\u003e\n\u003ch3\u003eQ: Are electrical and electronic diagnostics included?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, the manual covers electrical systems, electronic controllers, sensors, and calibration procedures.\u003c\/p\u003e\n\u003ch3\u003eQ: Is this manual suitable for professional workshops?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, it is designed for dealer technicians, independent service professionals, and experienced operators.\u003c\/p\u003e\n\u003ch3\u003eQ: Can the PDF manual be printed?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, the manual is fully printable for workshop or on-site reference.\u003c\/p\u003e","brand":"Manuals Shop","offers":[{"title":"Default Title","offer_id":44339568443494,"sku":null,"price":139.9,"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-634754-656508-with-s2-s3a-engines-operation-and-test-manual-tm12136.jpg?v=1768550281","url":"https:\/\/manualsshop.com\/products\/john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634754-656508-with-s2-s3a-engines-operation-and-test-manual-tm12136","provider":"Manuals Shop","version":"1.0","type":"link"}