COGENG VOE11708609 11708609 Hydraulic Pump | Direct OEM Replacement for Volvo A25E A30E Articulated Haulers

Important Note: This VOE11708609 hydraulic pump is specifically engineered for Volvo A25E and A30E articulated haulers. Always verify machine model, serial number, and existing pump configuration before installation. Use only Volvo-approved hydraulic fluids and maintain strict contamination control standards. Professional installation by certified technicians is strongly recommended for optimal performance, safety compliance, and warranty validation.


Decompose pictures

Parts list

Installation decomposition diagram
Park hauler on level ground, fully lower body, and engage body lock
Apply parking brake and implement all safety locks and warning devices
Completely relieve all hydraulic system pressure before disconnecting any lines
Thoroughly clean pump and surrounding area to prevent system contamination
Use approved containment systems for hydraulic fluid drainage and disposal
Disconnect battery to prevent accidental engine starting

Installation Procedure:
Document existing pump configuration, including all line connections and settings
Clearly tag all hydraulic lines and electrical connections for proper reinstallation
Use proper line disconnect tools - never apply excessive force to fittings
Carefully inspect drive coupling and mounting surfaces for wear or damage
Meticulously clean all mounting surfaces and connection points
Pre-fill new COGENG pump with recommended Volvo hydraulic fluid
Install pump using proper torque sequence and specifications
Connect all hydraulic lines using new O-rings and seals
Verify proper drive coupling alignment and secure mounting
Ensure all connections are properly sealed and secured

System Commissioning & Testing:
Fill hydraulic system with Volvo-recommended hydraulic fluid
Follow manufacturer procedures for complete system air bleeding
Start engine and operate at idle, monitoring for leaks and abnormal noises
Gradually increase engine speed while observing pump operation
Verify proper case drain flow and temperature
Test all hydraulic functions through complete operational cycles
Conduct final inspection for leaks and proper system operation






Frequently Asked Questions

A. When will get the items after I place order?
Q. Once your payment is confirmed,we will arrange the goods within 1~4 days; if not in stock, we will inform you before placing the order?

A. If I only know the excavator model, but can not offer parts No.,what should I do ?
Q. If possible, you can send us pictures of old products, nameplate or the size for reference.

A. How can you guarantee the quality??
Q. We will 100% test the goods before delivery. We also support video inspection.

A. How long will it take to delivery to my address??
Q. The normal delivery time is 3-7 days, depending on which country you are in.?

A : Which delivery method will you choose?
Q : By sea, air or express(DHL,Fedex,TNT, UPS, EMS etc.)，Sometimes we will arrange as the customer's demand.

A: What's package? Can you give me the package according my requirement??
Q. We usually packed by standard exported box or carton. And yes we can pack as per your requirement.

A: Can the price be cheaper?
Q: Of course, you will be offered a good discount for a big amount.

A: Why should I choose to buy from you?
Q:Our advantages: 100% quality assurance, develop and manufature follow original ones;Quick response within 24 hours; Small order allowed;Reasonable stock and timely delivery;Neutral packing, customized packing are allowed. Positive customer feedback from abroad market;Excellent after-sales service.
A : Which payment terms can you accept?
Q : Paypal. Western Union, Bank Transfer, T/T...