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PC60-7 Hydraulic Pump 708-1W-00131 Main Pump

No Discharge / No Flow 1. Pump rotation is reversed
2. Pump not primed (empty casing)
3. Suction line blocked
4. Broken pump shaft or coupling
1. Check motor wiring and correct rotation direction
2. Fill the pump casing with clean oil
3. Clean the suction strainer/filter
4. Inspect and replace damaged parts
Insufficient Flow or Pressure 1. Worn internal components
2. Low oil viscosity (too thin)
3. Clogged inlet filter
4. Relief valve stuck open or leaking
1. Repair or replace the pump
2. Change to the correct hydraulic oil
3. Clean or replace the filter element
4. Inspect, clean, or adjust the relief valve
Excessive Noise or Vibration 1. Air entering the suction line (Aeration)
2. Cavitation (Oil starvation)
3. Misalignment of coupling
4. Worn or damaged bearings
1. Tighten suction line fittings and check seals
2. Increase oil level, clean suction strainer, or reduce suction lift
3. Re-align the pump and motor shafts
4. Replace the bearings
Oil Overheating 1. Oil viscosity too high (too thick)
2. System pressure set too high
3. Clogged oil cooler
4. Excessive internal leakage
1. Use oil with the correct viscosity grade
2. Check and adjust the pressure relief valve setting
3. Clean the cooler and check the fan
4. Inspect pump and valves for wear
External Oil Leakage 1. Loose mounting bolts or fittings
2. Damaged seals or O-rings
3. Cracked housing
1. Tighten all bolts and pipe joints to spec
2. Replace worn shaft seals and gaskets
3. Repair or replace the pump housing
Pump Vibration 1. Loose mounting bolts
2. Misalignment between pump and motor
3. Suction line too small or restricted
1. Securely tighten the pump base bolts
2. Re-align the pump and motor (use a dial indicator)
3. Check suction line size and remove restrictions

Original price was: $2,350.00.Current price is: $2,150.00.

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Specification Details
Product Name Main Hydraulic Pump
OEM Part Numbers 708-1W-00131
Compatible Models PC60-7
Application Excavator
Condition 100% Brand New
Pump Type Axial Piston Variable Displacement
Warranty 12 Months (Depending on specific terms)
MOQ 1 Set

Frequently Asked Questions (FAQ)

Q1: How can I confirm if this pump fits my specific excavator?
A: The most reliable method is to check the data plate on your current hydraulic pump or consult your machine’s parts manual. If your equipment is a Caterpillar 322C and requires any of the part numbers 200-3406, 171-9103, or 173-3519, this pump is a guaranteed match. If you are still uncertain, please feel free to contact our support team with your machine’s serial number for verification.
Q2: What are the signs that my hydraulic pump needs replacement?
A: Common symptoms of a failing hydraulic pump include a noticeable loss of power or slow hydraulic response, unusual grinding or whining noises, excessive heat generation, or external oil leaks. If you experience any of these issues, it is highly recommended to inspect or replace the pump promptly to prevent further damage to the hydraulic system.
Q3: Do you provide inspection videos or photos before shipping?
A: Absolutely. We understand the importance of product quality. Before dispatch, our quality control team will conduct a thorough inspection and provide high-resolution photos or detailed testing videos to ensure the pump meets your expectations and is in perfect working condition.
Q4: What are the shipping and delivery options available?
A: We offer flexible shipping solutions tailored to your needs, including sea freight, air freight, and international express services (such as DHL, UPS, or TNT). Delivery times will vary depending on the order quantity and your chosen shipping method. Our logistics team will track your shipment in real-time to ensure a smooth delivery process.

📦  Warranty&Reture Policy:

🛡️  1、One year warranty. If the product malfunctioned under proper usage per instructions manual within the warranty period, please contact us to obtain shipping instructions and send it back at your shipping costs.
🔍 2、14days evaluation and investigation takes placed after receiving your return item.

 

We can provide multiple options for some products (original brand new, refurbished, used, Equivalent substitutes, etc.). Please contact our Customer Service for more information.
Customer Service Manager WHATSAPP: +8615016276679(Click the button on the upper left corner of the website to contact)
Customer Service Manager Email: zengduff@marginalhyd.com

 

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