{"product_id":"john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634380-656507-with-it4-s3b-engine-operation-and-test-manual-tm12135","title":"John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN: 634380-656507) with IT4\/S3B Engine Operation and Test Manual (TM12135)","description":"\u003ch2\u003eJohn Deere 670G, 670GP, 672G and 672GP Motor Graders Operation and Test Manual PDF (TM12135)\u003c\/h2\u003e\n\u003cp\u003eThis factory Operation and Test Manual provides complete operating instructions, system testing procedures, and diagnostic guidance for John Deere 670G, 670GP, 672G, and 672GP Motor Graders equipped with IT4\/Stage IIIB engines. Manual TM12135 is designed for technicians, operators, and service personnel responsible for accurate machine operation and performance testing.\u003c\/p\u003e\n\u003cp\u003eThe manual is structured by system and function, offering clear explanations of machine controls, operational checks, and step-by-step testing procedures. It supports safe operation, accurate fault diagnosis, and correct system evaluation to maintain peak grader 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: 634380 – 656507\u003c\/p\u003e\n\u003ch2\u003eEngine Coverage:\u003c\/h2\u003e\n\u003cp\u003eIT4 \/ Stage IIIB Engine\u003c\/p\u003e\n\u003ch2\u003eManual Coverage Includes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral Safety and Operating Guidelines\u003c\/li\u003e\n\u003cli\u003eMachine Identification and Specifications\u003c\/li\u003e\n\u003cli\u003eOperator Controls and Instrumentation\u003c\/li\u003e\n\u003cli\u003eEngine Operation and Performance Testing\u003c\/li\u003e\n\u003cli\u003eFuel System Operation and Test Procedures\u003c\/li\u003e\n\u003cli\u003eAir Intake, Exhaust, and Emissions Systems\u003c\/li\u003e\n\u003cli\u003eCooling System Operation and Diagnostics\u003c\/li\u003e\n\u003cli\u003eTransmission Operation and Functional Testing\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, Valves, and Circuit Testing\u003c\/li\u003e\n\u003cli\u003eSteering, Brake, and Articulation System Tests\u003c\/li\u003e\n\u003cli\u003eElectrical System Operation and Diagnostics\u003c\/li\u003e\n\u003cli\u003eElectronic Control Units and Sensor Testing\u003c\/li\u003e\n\u003cli\u003eCalibration and Adjustment Procedures\u003c\/li\u003e\n\u003cli\u003eMachine Performance Troubleshooting Guides\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\u003c\/li\u003e\n\u003cli\u003eHigh-Quality Schematics and Illustrations\u003c\/li\u003e\n\u003cli\u003ePrintable Pages for Workshop or Field Use\u003c\/li\u003e\n\u003cli\u003eCompatible with Windows, macOS, Tablets, and Smartphones\u003c\/li\u003e\n\u003cli\u003eClear Navigation for Efficient 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\u003eEnsures 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\u003c\/li\u003e\n\u003cli\u003eEssential reference for operators and service technicians\u003c\/li\u003e\n\u003cli\u003eSupports compliance with IT4 \/ Stage IIIB standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe John Deere 670G, 670GP, 672G and 672GP Motor Graders Operation and Test Manual PDF (TM12135) is a critical resource for safe operation, precise testing, and reliable machine performance.\u003c\/p\u003e\n\u003cp\u003eDownload the John Deere TM12135 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 TM12135 manual?\u003c\/h3\u003e\n\u003cp\u003eA: TM12135 provides operating instructions and detailed test procedures to diagnose and evaluate machine systems.\u003c\/p\u003e\n\u003ch3\u003eQ: Which motor grader models are included?\u003c\/h3\u003e\n\u003cp\u003eA: The manual 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: It applies to machines with serial numbers from 634380 to 656507.\u003c\/p\u003e\n\u003ch3\u003eQ: Does this manual include engine diagnostics?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, it includes IT4\/Stage IIIB engine operation checks and performance testing.\u003c\/p\u003e\n\u003ch3\u003eQ: Are hydraulic and transmission tests included?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, complete hydraulic and powertrain operation and test procedures are covered.\u003c\/p\u003e\n\u003ch3\u003eQ: Does the manual include electronic diagnostics?\u003c\/h3\u003e\n\u003cp\u003eA: Yes, electronic control systems, sensors, 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 operators, dealer technicians, and independent service professionals.\u003c\/p\u003e\n\u003ch3\u003eQ: Can the PDF be printed?\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":44339568050278,"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-634380-656507-with-it4s3b-engine-operation-and-test-manual-tm12135.jpg?v=1768550047","url":"https:\/\/manualsshop.com\/products\/john-deere-670g-670gp-672g-and-672gp-motor-graders-sn-634380-656507-with-it4-s3b-engine-operation-and-test-manual-tm12135","provider":"Manuals Shop","version":"1.0","type":"link"}