Hydraulic lag, weak digging force, and repeated pump failures can seriously affect mining and construction schedules. The 3117406 hydraulic piston pump is designed for wholesalers, equipment dealers, and fleet operators needing dependable hydraulic power for CAT excavators in high-load job sites.
Item NO.:
311-7406Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSCompatible with E319DLN, 319D, 318D, 315D, and 312D excavators, the 3117406 main pump assembly delivers efficient oil pressure control, fast hydraulic response, and improved durability. Compared with ordinary replacement pumps, it offers stronger sealing performance and more stable operation in continuous working conditions.

| Part Number | 311-7406 |
|---|---|
| Part Name | Hydraulic Pump |
| Compatible Brand | Caterpillar |
| Applicable Models | E319DLN, 319D, 318D, 315D, 312D |
| Application | Excavator |
| Material | High-strength alloy steel |
| Product Color | Gray, Black, Yellow |
| Working Temperature | -20°C to 90°C |
| Key Function | Supply hydraulic oil pressure and power transmission |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |





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