Wholesalers, maintenance contractors and mine fleet owners are often troubled by degraded cylinder blocks that cause main pump pressure drop, slow digging response and costly site shutdowns. Our 311701 A8VO107 hydraulic pump cylinder block is customized for CAT E320B excavator main pump rotating group. Adopting premium forged alloy structure, it solves core procurement troubles like bore abrasion, pressure bearing failure and short service life, perfectly fit for high-intensity mining and all-day infrastructure construction.
Item NO.:
311701Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYS
| Part Number | 311701 |
|---|---|
| Part Name | Cylinder Block |
| Compatible Brand | Tongmyung |
| Applicable Models | CAT E320B, A8VO107 |
| Application | Excavator |
| Material | High strength wear-resistant alloy steel |
| Product Color | Industrial alloy dark gray |
| Working Temperature | -28℃ to 86℃ |
| Key Function | Serve as core rotating component, distribute hydraulic flow and cooperate with piston reciprocating movement |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |


One-piece alloy forging removes internal defects, effectively resisting crack and distortion under frequent impact load.



FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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