John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN. C678818-680877, D678818-680877) Repair Manual (TM14078X19)
John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN. C678818-680877, D678818-680877) Repair Manual (TM14078X19)
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Official Repair Service Manual | Instant PDF Download
This OEM Repair Manual provides complete factory-authorized repair, overhaul, and component replacement procedures for John Deere 670G, 670GP, 672G, and 672GP Motor Graders covering serial number ranges C678818–680877 and D678818–680877. Delivered in professional PDF format, it is intended for technicians, workshops, and equipment owners performing in-depth service and repairs.
Unlike an Operation or Diagnostic Manual, this Repair Manual explains how to disassemble, inspect, rebuild, and reassemble major machine systems to original John Deere specifications.
Manual Specifications
| Machine Models | John Deere 670G, 670GP, 672G, 672GP Motor Graders |
| Serial Number Range | C678818–680877, D678818–680877 |
| Manual Type | Repair Manual |
| Manual Number | TM14078X19 |
| File Format | PDF (Searchable, Printable, Fully Bookmarked) |
| Compatibility | Windows, macOS, iOS, Android |
What Is Included?
This repair manual delivers step-by-step service coverage for all major systems of the John Deere 670G and 672G series motor graders.
| System Group | Repair Coverage |
|---|---|
| Engine Systems | Engine removal, teardown, inspection, rebuild and installation procedures |
| Powertrain | Transmission, torque converter, driveline and axle repair instructions |
| Hydraulic Systems | Pump, valve, cylinder, hose and hydraulic component repair |
| Steering & Articulation | Steering system overhaul and articulation frame repair procedures |
| Brake Systems | Service brake and parking brake disassembly and adjustment |
| Electrical Systems | Electrical component replacement, wiring repair and connector service |
| Operator Station | Control linkage, cab components and operator interface repair |
| Chassis & Frame | Main frame, tandem housing and structural repair guidance |
About the John Deere 670G and 672G Motor Graders
The John Deere 670G and 672G motor graders are built for precision grading, road construction, and maintenance applications. Proper mechanical repair and system restoration are critical to maintaining grading accuracy, durability, and machine reliability.
This Repair Manual provides factory-defined procedures to restore machines to original operating condition.
Why Buy From Manualsshop?
- Instant PDF download after purchase
- OEM factory repair documentation
- Searchable and clearly indexed content
- Verified manual quality and completeness
Frequently Asked Questions
Is this a diagnostic or operation manual?
No. This is a Repair Manual that focuses on mechanical and electrical repair procedures. Diagnostic and testing procedures are covered in separate manuals.
Does this manual include torque values and specifications?
Yes. The manual includes detailed specifications, torque values, tolerances, and service limits.
Who should use this manual?
This manual is intended for professional technicians, service centers, and experienced equipment owners working on John Deere 670G and 672G motor graders.

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