John Deere 670G, 672G (SN: C656729-678817) and 670GP, 672GP (SN: D656729-678817) Motor Graders Operation and Test Manual (TM13065X19)
John Deere 670G, 672G (SN: C656729-678817) and 670GP, 672GP (SN: D656729-678817) Motor Graders Operation and Test Manual (TM13065X19)
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Official Operation and Test Manual | Instant PDF Download
Get comprehensive diagnostic and system testing guidance for the John Deere 670G, 670GP, 672G, and 672GP Motor Graders. This is the complete OEM Operation and Test Manual in PDF format, developed for service technicians who require accurate procedures to analyze machine performance and identify faults efficiently.
Rather than focusing on mechanical teardown and repair, this Operation and Test Manual explains system operation, functional checks, calibration routines, and diagnostic workflows used to pinpoint issues before corrective repairs are performed.
Manual Specifications
| Machine Models | John Deere 670G, 672G, 670GP, 672GP Motor Graders |
| Serial Number Coverage | C656729 – 678817 (670G, 672G) D656729 – 678817 (670GP, 672GP) |
| Manual Type | Operation and Test Manual |
| Manual Number | TM13065X19 |
| File Format | PDF (Searchable, Printable, Bookmarked) |
| Compatibility | Windows, macOS, iOS, Android |
What Is Included?
This manual provides structured diagnostic coverage for John Deere G-Series motor graders, allowing technicians to verify correct operation, locate faults, and confirm system performance against factory specifications.
| System Group | Operation & Test Coverage |
|---|---|
| Engine Operation | System theory, performance checks, sensor testing, engine-related diagnostics |
| Hydraulic Systems | Pressure and flow testing, valve function checks, system calibration procedures |
| Transmission & Powertrain | Power shift operation testing, clutch engagement checks, driveline diagnostics |
| Electrical & Electronic Systems | Electrical schematics, ECU diagnostics, input/output signal testing, fault code analysis |
| Steering & Articulation | Steering circuit tests, articulation system operation checks, safety verification |
| Brake Systems | Service and parking brake testing, accumulator checks, performance validation |
| Implement Controls | Blade, circle, and moldboard control testing, joystick and lever calibration |
| Monitoring & Displays | Warning systems, instrument cluster diagnostics, sensor signal verification |
| Test Procedures | Step-by-step diagnostic routines with specifications and pass/fail limits |
About the John Deere 670G / 672G Motor Graders
The John Deere 670G and 672G motor graders are designed for precision grading, road construction, and maintenance work where consistent performance and electronic control accuracy are critical. Advanced hydraulic and electronic systems make proper diagnostics essential for reliable operation.
This operation and test manual enables accurate troubleshooting, reduces unnecessary component replacement, and ensures the grader operates within John Deere factory standards.
Why Buy From Manualsshop?
- Instant PDF download after purchase
- OEM diagnostic documentation for professional use
- Fully searchable and bookmarked format
- Verified files for accuracy and completeness
Frequently Asked Questions
Is this a repair or overhaul manual?
No. This is an Operation and Test Manual focused on diagnostics, testing, and calibration rather than mechanical repair procedures.
Does this manual include electrical diagrams and ECU diagnostics?
Yes. As a John Deere diagnostic manual, it includes electrical schematics, ECU-related information, and electronic troubleshooting procedures.
Can this manual be used on phones and tablets?
Yes. The PDF format is compatible with smartphones, tablets, laptops, and desktop computers.
