Maintain your equipment with the **John Deere 670G, 670GP, 672G, and 672GP Motor Grader Repair Technical Manual (TM12137)** from **Texas Manuals**. Focused on mechanical reliability and factory specs for machines SN 634380 to 656507.
### **Repair Highlights:**
* **Engine Service:** Teardown and assembly procedures for diesel power plant units.
* **Transmission Overhaul:** Full service for the drive system and planetary gear reduction units.
* **Hydraulic Componentry:** Rebuilding procedures for control valves and motors.
* **OEM Accuracy:** trust **Texas Manuals** for accurate, searchable workshop data that bypasses dealer costs.
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