289-7917 2897917 Hydraulic Pump K5V160DP Gear Pump Pilot Pump Assembly E330D E336D Excavator Parts

Product Description

The hydraulic pump pre-control pump of the GVO brand's hydraulic power E330D E336D excavator main pump is suitable for various types of hydraulic components.
High-quality pilot pump, direct sales from the manufacturer, prompt delivery, and reliable after-sales service.

Product Description

This gear pump is a crucial primary oil supply component in the hydraulic system of E330D and E336D large-sized excavators. It is responsible for transporting hydraulic oil throughout the entire machine's primary oil circuit, providing a stable and controllable primary pressure oil source for hydraulic control elements such as operating handles, control valves, and electromagnetic valves. The working state of the primary pump directly affects the sensitivity of the excavator's movements, the feel of operation, and the stability of the entire hydraulic system. If the pressure of the primary gear pump is insufficient or the flow rate decays, the excavator will immediately experience sluggish movements, heavy operation feel, and uncoordinated compound actions, leading to various faults.

The pump body is made by a single-piece die-casting of high-strength aluminum alloy, ensuring the overall structural strength while effectively reducing its own weight. It has excellent heat dissipation and conductive properties, which can quickly remove the heat generated by the pump during long-term operation, alleviating the high-temperature problem of the pump body under continuous heavy-load operations of large-tonnage excavators. The internal gears are made from high-hardness alloy steel, processed through multiple precision processes such as precision hobbing, carburizing and quenching, and high-precision grinding. The gear surfaces are smooth and flat, with precise meshing gaps. During operation, the oil pressure pulsation is small, and the output flow is uniform and stable, allowing the pump to maintain the standard working pressure for a long time. High-quality oil-resistant sealing components and heavy-duty support bearings are installed inside, and the sealing components have the characteristics of high-temperature resistance, anti-aging, and resistance to hydraulic oil corrosion, which can adapt to the high-temperature conditions of the hydraulic system for a long time, fundamentally reducing common faults such as shaft head oil leakage and joint surface leakage. The bearings can effectively absorb the vibration and shock caused by equipment operation, reducing eccentric wear of the main shaft, and comprehensively extending the overall service life of the gear pump.

The GVO brand is a manufacturer of hydraulic components. We mainly produce the most comprehensive range of pilot pumps, gear pumps, relief valves, hydraulic pumps, electrical components, hydraulic parts, engine assemblies, traveling assemblies, rotating assemblies, distribution valves, and other components.

We are factory direct sellers without any middlemen profiting from price differences. The quality is definitely the best for you because we are the ones who produce them. We cannot tarnish our reputation. The prices are also the most favorable for you. There is a stable delivery speed.

We value every customer and provide you with the best service. We offer pre-sale, in-sale, and after-sale guarantees. Any problems will definitely be resolved for you. We are always available to serve you.