31LB-40300 Hydraulic Double Gear Pump Hyundai Excavator High Pressure
31LB-40300 Hydraulic Double Gear Pump
High pressure design. Stable oil flow. Low noise. Durable construction. Leak-proof structure. Long service life. Direct fit replacement. Hyundai excavator compatible. Construction machinery use. Heavy duty operation.


| Parameter | Specification |
|---|---|
| Part Number | 31LB-40300 |
| Product Name | Hydraulic Double Gear Pump |
| Structure Type | Double Gear Pump |
| Application | Hyundai Excavator |
| Compatible Models | HL770-7, HL780-7, R-Series Wheel Loader |
| Max Working Pressure | 21 MPa |
| Max Rotation Speed | 3000 rpm |
| Shaft Spline | 13 Teeth |
| Inlet Port Size | 1" BSP |
| Outlet Port Size | 3/4" BSP |
| Oil Viscosity Range | 15–100 cSt |
| Operating Temperature Range | -20°C ~ +80°C |
| Housing Material | High Strength Cast Iron |
| Body Material | High Precision Aluminum Alloy |
| Gear Material | Alloy Steel |
| Shaft Material | Heat-Treated Alloy Steel |
| Sealing Type | High Pressure Oil Seal |
| Surface Treatment | Anti-Corrosion Coating |
| Feature | High Efficiency, Low Noise, Leak-Proof, Long Life |
| Net Weight | 5.8 kg |
| Gross Weight | 6.5 kg |
| Package Size | 22 * 16 * 14 cm |
| Part Number | Product Type | Compatible Hyundai Models |
|---|---|---|
| 31LB-40300 | Hydraulic Double Gear Pump | HL770-7, HL780-7, HL770-9, HL780-9 Wheel Loader |
| 31LB-40301 | Hydraulic Double Gear Pump | HL770-7A, HL780-7A Wheel Loader |
| 31LB-40302 | Hydraulic Double Gear Pump | HL770-9A, HL780-9A Wheel Loader |
| 31LB-40303 | Hydraulic Double Gear Pump | HL770-7, HL780-7, R-series Wheel Loader |
| 31LB-40304 | Hydraulic Double Gear Pump | HL770-9, HL780-9, R-series Wheel Loader |
| 31LB-40305 | Hydraulic Double Gear Pump | HL770-7, HL780-7, HL770-9, HL780-9 Wheel Loader |
If you can find the number you need, please contact our sales manager to check and confirm it!

- Focus on Hydraulic system since 2011;
- Factory direct supply;
- Flexible payment methods;
- Reliable and stable quality;
- Rich inventory and fast delivery,
- Responsible customer care service and warranty;
- Retail order acceptable;
- Top 5 Engine Brands, One Stop Service.


ISSUES YOU MAY BE CONCERNED ABOUT
HERE IS THE ANSWER!
Q1:How long is the warranted time?
A:For natural broken, 3 months. Guarantee genuine parts.
Q2: What's payment you can accept?
A:T/T, WECHAT,PAYPAL.
Q3: What's package? Can you give me the package according my requirement?
A:Yes, Original packing or Neutral packing with wooden box or carton.
Q4: How about the lead time?
(1) In stock: 1-7 days.Always in 72 hours.
(2) Out of stock: It's according to your quantity, and we have cooperated with factory. We will let you know when we quote.
Q5: What's the shipping way you can offer?
(1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order: DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q6: What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q7: Do you accept small order?
A:Yes, small order can accept.
Q8: What's brand you can offer in your company?
(1)OEM,100% GENUINE PARTS, COPY(Made in China).
(2)GENUINE PARTS.
Dear buyers,
Please read the remarks before ordering:
- If you place order directly without any communication with us,please remark the Part Number exactly you need if possible!
- Normally would be sent in neutral package, if need orignal package please contact us before placing orders.
- All the are blank new without program, if you want program please send us your Engine Serial Number and old code we will confirm whether the program available or not.
Thank you for attention!
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.