14666232 Main Hydraulic Pump for Volvo EC750D, EC750E, EC750E HR
The 14666232 Hydraulic Pump is the heavy-duty primary power source for Volvo’s 75-ton class excavators. This high-displacement main pump assembly is engineered to provide the massive hydraulic flow and pressure required for the EC750D, EC750E, and the EC750E HR (High Reach) demolition models, ensuring they can handle the largest attachments and toughest digging conditions.
Compatible Models: Specifically designed for Volvo’s 75-ton class large excavators, including:
· EC750D / EC750D L
· EC750E / EC750E L
· EC750E HR (High Reach Demolition model)
Thank you for choosing SPARKLING MACHINERY, your reliable supplier of Volvo excavator hydraulic parts. The 14666232 main hydraulic pump is an OEM-grade replacement designed for Volvo EC750D, EC750E, EC750E HR large excavators. As the core power source of the hydraulic system, it adopts the K3V280DTH dual variable displacement piston pump design, delivering high pressure and large flow for heavy-duty mining and mass earthmoving applications. Built with premium-grade materials and precision manufacturing, it ensures stable performance, high efficiency, and long service life in harsh working environments.
The SPARKLING MACHINERY NEW 14666232 Hydraulic Pump Photo:



Why Choose the SPARKLING 14666232 Hydraulic Pump?
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- Optimized Power Management: Advanced flow control reduces internal friction and heat, maximizing power transfer to the boom and bucket.
-
- Demolition Ready: Specifically rated for the high-duty cycles and varied attachment requirements of the High Reach (HR) models.
-
- Extreme Durability: Constructed with reinforced swash plates and heavy-duty bearings to withstand the vibrations of mining and quarrying.
-
- OEM Precision: Direct-fit replacement for part number 14666232, ensuring all sensors and hydraulic ports align perfectly with the Volvo factory harness.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Related Maintenance Parts for Volvo EC750E
To ensure the maximum lifespan of your 14666232 pump, the hydraulic system must be kept surgically clean:
| Part Name | Part Number | Application |
| Main Hydraulic Pump | 14666232 | Primary System Power |
| Hydraulic Return Filter | 14690316 | System Contamination Control |
| Pilot Filter Element | 14509379 | Control Circuit Protection |
| Hydraulic Tank Breather | 14521743 | Tank Pressure Regulation |
| Pump Coupling/Damper | 14643321 | Engine to Pump Connection |
Q&A Section
Q1: Does this pump include the solenoids and control valves?
A: Yes, the 14666232 is typically supplied as a complete assembly including the regulators and control valves necessary for the electronic management system.
Q2: What is the most common cause of failure in large Volvo pumps?
A: Hydraulic oil contamination (small particles) and "cavitation" (running with low oil or air in the system) are the leading causes of internal piston and plate damage.
Q3: Is the pump different between the standard EC750E and the High Reach version?
A: While the machine applications differ, the 14666232 is the standardized main pump for the entire EC750 series (D, E, and HR variants), providing the same high-output specs across the board.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
-
📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.





Sparkling Machinery Co.,Ltd
sparkling_machinery
Whatsapp: +8613609010879