Hydraulic power loss and internal leakage cripple Volvo EC210B productivity. Worn blocks cause pressure drops and pump seizure, leading to massive repair bills. The 720776 assembly provides a precision-ground solution. This Rear Cylinder Block restores factory-spec flow and efficiency.
Item NO.:
720776Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSHydraulic power loss and internal leakage cripple Volvo EC210B productivity. Worn blocks cause pressure drops and pump seizure, leading to massive repair bills. The 720776 assembly provides a precision-ground solution. This Rear Cylinder Block restores factory-spec flow and efficiency.

| Part Number | 720776 |
|---|---|
| Part Name | Hydraulic Pump Rear Cylinder Block with Valve Plate |
| Compatible Brand | Tongmyung |
| Applicable Models | Volvo EC210B |
| Application | Excavator hydraulic system |
| Material | High‑strength carbon steel |
| Product Color | Steel Grey or Metallic |
| Working Temperature | -25°C to 95°C |
| Key Function | Regulating oil flow and maintaining pump chamber pressure |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

The 720776 block and valve plate are micro-finished to ensure a perfect metal-to-metal seal, significantly reducing internal hydraulic bypass.

Utilizes advanced heat treatment to achieve superior surface hardness, resisting the abrasive wear caused by hydraulic oil contaminants in mining sites.

The precision-machined ports on the valve plate reduce turbulence and heat buildup, extending the service life of the entire pump assembly.


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