708-3S-00961 Hydraulic Pump Assembly for Komatsu PC57-7
708-3S-00961 Komatsu Hydraulic Pump Assembly | Fits PC57-7, PC56-7
Product Information
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- Replacement Brand: Komatsu
- Category: Hydraulic Parts – Hydraulic Pump Assembly
- Part Number: 708-3S-00961
- Part Name: Hydraulic Pump Assembly
- Alternative OEM: 7083S00961
- Compatible Equipment: Komatsu PC57-7, PC56-7
- Condition: New Aftermarket Replacement
Product Function & Specs:
708-3S-00961 is identified in available parts references as a hydraulic pump assembly for Komatsu excavators. Application evidence supports PC57-7 and PC56-7 excavators. The exact pump configuration, mounting arrangement, and hydraulic system specifications should be confirmed against the machine serial number before installation.
Failure Symptoms:
- Reduced hydraulic performance or slow actuator response.
- Abnormal noise or vibration from the hydraulic pump.
- Hydraulic pressure or flow performance becomes inconsistent during operation.
Quick Installation Notes:
- Clean the pump and surrounding hydraulic connections before removing the existing assembly.
- Confirm pump configuration, mounting points, hydraulic connections, and applicable machine information before installation.
- After installation, check hydraulic connections for leakage and verify system operation according to the applicable service procedure.
Maintenance Tips:
- Maintain clean hydraulic oil and replace hydraulic filters according to the applicable service schedule.
- Monitor the hydraulic system for abnormal noise, vibration, leakage, or changes in operating response.
- Investigate contamination or abnormal hydraulic performance before replacing the pump assembly.
FAQ:
Q: Can this part replace Komatsu 708-3S-00961?
A: It is offered as a new aftermarket replacement for the referenced Komatsu part number. Confirm the machine serial number and hydraulic pump configuration before ordering.
Q: Is this an OEM or aftermarket replacement?
A: It is a new aftermarket replacement intended for heavy equipment hydraulic system service.
Q: Which machines use 708-3S-00961?
A: Available application evidence supports Komatsu PC57-7 and PC56-7 excavators. Final fitment should be confirmed against the machine serial number.
Q: Is 7083S00961 the same part number?
A: Yes. 7083S00961 is the unhyphenated formatting of 708-3S-00961 and is not treated as a separate alternative OEM number.
Q: Can I purchase in bulk?
A: Yes. We support wholesale orders for parts dealers and hydraulic repair workshops. Contact us for bulk pricing and international shipping options.
Why Sourcing From WinsParts?
We support part-number and application checking before quotation, helping parts dealers and repair workshops reduce ordering errors.
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We deliver high-performance construction machinery parts to wholesalers, repair shops, and operators worldwide. To minimize your machinery downtime, we offer flexible shipping options tailored to your urgency and budget:
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- Express Delivery (DHL, FedEx, UPS): 3–7 business days worldwide. Best for urgent orders (e.g., electronic controllers, injector nozzles, seal kits).
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- Sea Freight & Air Cargo: Recommended for heavy assemblies such as complete engine blocks, hydraulic main pumps, and undercarriage track links.
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- Orders for in-stock items placed before 2:00 PM (GMT+8, Monday–Friday) are dispatched the same day.
- Later orders or customized orders will be shipped the next working day.
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