High-performance excavator hydraulic pump assembly ensures stable pressure and efficient operation for heavy-duty construction machinery.
The YNF18199 422-1296 hydraulic pump assembly has been engineered as a core component for excavator hydraulic systems, specifically compatible with CAT E326, E329, and E330D2 models. This pump plays a critical role in converting mechanical power into hydraulic energy, ensuring smooth and efficient operation of key functions such as digging, lifting, and swinging.
Featuring a 17-tooth spline design, the pump ensures precise torque transmission and stable engagement with the engine drive system. It has been manufactured using high-quality materials and precision machining processes to deliver consistent pressure output and reliable performance in demanding environments such as construction, mining, and earthmoving projects.
For B2B buyers, including distributors and repair service providers, this excavator hydraulic pump assembly is a high-value replacement part that helps reduce downtime and maintain equipment productivity. With OEM-level compatibility, installation can be completed efficiently without modification, making it ideal for bulk purchasing and inventory stocking.
YNF Machinery provides strict quality control, stable supply capability, and competitive pricing, supporting long-term cooperation and helping customers strengthen their market competitiveness.
| Item | Specification |
|---|---|
| Product Name | Excavator Hydraulic Pump Assembly |
| Part Number | 422-1296 |
| YNF Number | YNF18199 |
| Spline | 17 Teeth |
| Compatible Models | CAT E326 / E329 / E330D2 |
| Application | Excavator hydraulic system |
| Type | Main Hydraulic Pump |
| Installation Position | Engine-hydraulic drive system |
| Material | High-strength alloy steel components |
| Brand | YNF |
| Origin | China |
| MOQ | 1 unit |
| Packaging | Standard export wooden case |
| Shipping Method | Sea / Air / Express |
| Payment Terms | T/T, L/C, PayPal |
| Application | Description |
|---|---|
| Excavators | Core hydraulic power source for CAT machines |
| Construction Machinery | Supports digging, lifting, and movement |
| Mining Equipment | High-pressure operation under harsh conditions |
| Earthmoving Projects | Continuous heavy-duty hydraulic performance |
| Repair & Distribution | Essential spare part for workshops and dealers |
Q: What does the 17-tooth spline mean?
A: It refers to the connection interface between the pump and the drive shaft, ensuring proper torque transmission.
Q: Is this pump suitable for aftermarket replacement?
A: Yes, it is designed to meet OEM specifications for direct replacement.
Q: Can it be used for bulk purchasing?
A: Yes, it is ideal for distributors, wholesalers, and repair service providers.
YNF Machinery supplies high-quality excavator hydraulic pump assemblies like YNF18199, designed for professional B2B buyers who require reliable performance and long service life. Each unit is manufactured under strict quality standards to ensure stable pressure output and durability.
This product helps reduce machine downtime, improve operational efficiency, and increase customer satisfaction in your market. With competitive factory pricing, stable supply, and professional support, YNF Machinery is your trusted partner for excavator spare parts. Send your inquiry today to receive a fast and accurate quotation.
