John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN. C678818-680877, D678818-680877) Operation and Test Manual (TM14075X19)
John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN. C678818-680877, D678818-680877) Operation and Test Manual (TM14075X19)
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Official Operation and Test Manual | Instant PDF Download
This OEM Operation and Test Manual provides detailed diagnostic, operational testing, and system evaluation procedures for John Deere 670G, 670GP, 672G, and 672GP Motor Graders covering serial numbers C678818–680877 and D678818–680877. Supplied in a professional PDF format, it is intended for service technicians responsible for accurate troubleshooting and performance verification.
This manual is designed to help identify faults, confirm correct machine operation, and validate system performance before mechanical repairs are performed.
Manual Specifications
| Machine Models | John Deere 670G, 670GP, 672G, 672GP Motor Graders |
| Serial Number Range | C678818–680877, D678818–680877 |
| Manual Type | Operation and Test Manual |
| Manual Number | TM14075X19 |
| File Format | PDF (Searchable, Printable, Bookmarked) |
| Compatibility | Windows, macOS, iOS, Android |
What Is Included?
This operation and test manual delivers structured diagnostic coverage for the John Deere 670G and 672G series motor graders, supporting efficient troubleshooting and system verification.
| System Group | Operation & Test Coverage |
|---|---|
| Engine Operation | Engine performance checks, operating condition analysis, system monitoring |
| Powertrain | Transmission operation tests, drivetrain functional verification |
| Hydraulic Systems | Hydraulic pressure testing, flow measurement, valve operation checks |
| Steering & Articulation | Steering response tests, articulation system performance evaluation |
| Brake Systems | Service brake and parking brake functional testing procedures |
| Electrical Systems | Electrical diagnostics, circuit testing, sensor and switch evaluation |
| Operator Controls | Control lever, joystick, and pedal operation verification |
| Calibration Procedures | System calibration checks and operational validation tests |
About the John Deere 670G and 672G Motor Graders
The John Deere 670G and 672G motor graders are engineered for precise grading, road construction, and maintenance operations. Accurate system testing is essential to ensure reliable performance and reduce unnecessary downtime.
This Operation and Test Manual helps technicians confirm correct system behavior and isolate issues efficiently using factory-approved procedures.
Why Buy From Manualsshop?
- Instant PDF download after purchase
- OEM factory diagnostic documentation
- Searchable and fully bookmarked layout
- Verified files for accuracy and completeness
Frequently Asked Questions
Is this a repair manual?
No. This is an Operation and Test Manual focused on diagnostics, system testing, and operational verification. Mechanical repair procedures are covered in the Repair Manual.
Does this manual include electrical diagnostics?
Yes. Electrical system testing, circuit checks, and component diagnostics are included.
Who should use this manual?
This manual is intended for professional technicians responsible for diagnosing and testing John Deere 670G and 672G series motor graders.
