200-3406 Hydraulic Pilot Motor Pump Gear Pump for E325C 322C Excavator Spare

Product Specification

200-3406 Hydraulic Pilot Motor Pump Gear Pump for E325C 322C Excavator Spare Parts

Product Description

The pilot pump in an excavator is an important component of the hydraulic system, primarily responsible for controlling and regulating hydraulic flow. Here is some basic information about an excavator's pilot pump:

1. Function: The pilot pump serves as an auxiliary pump within the hydraulic system. Its primary function is to generate a small portion of hydraulic flow used for controlling and manipulating the main hydraulic pump. By controlling the flow of the pilot pump, precise adjustments can be made to the output of the main hydraulic pump, enabling precise control of various excavator actions such as digging, lifting, and swinging.

2. Working Principle: Typically driven by an electric motor or other power source, the pilot pump draws in fluid from the hydraulic reservoir, pressurizes it, and then delivers the fluid into the hydraulic system. This small flow of fluid is used to manipulate the pistons or plungers of the main hydraulic pump, thereby adjusting the output of the main hydraulic pump.

3. Precise Control: The role of the pilot pump is to provide precise control, allowing excavator operators to accurately fine-tune the hydraulic system's output for performing various work tasks. This is crucial for excavating, digging, lifting, and other actions.

4. Configuration and Installation: The pilot pump is typically installed within the excavator's hydraulic system and works in conjunction with the main hydraulic pump. Its configuration and installation depend on the specific excavator model and hydraulic system to ensure system coordination and performance.

In summary, the pilot pump in an excavator is a critical component of the hydraulic system that offers precise flow control, enabling accurate operation of various work actions. This enhances the productivity and precision of the excavator's operations.

 
WHY CHOOSE US

Large In‑stock Warehouse & Fast Shipment :Mass inventory of breaker chisels, pistons, seal kits, bushes, control valves, engine components. Most items can be dispatched within 24‑48 hours after order confirmation to reduce your machine downtime.

Thoughtful After‑sales Service​ :24‑hour inquiry reply. We track shipment status after dispatch. Quick technical guidance and solution for quality‑related issues.

Professional Technical Matching Support :Our engineering team helps confirm correct part number according to your machine model, serial number or dimension data, avoid wrong‑item mistake.

Flexible MOQ & Global Trade Terms :1‑piece order is acceptable. We support T/T, Western Union, L/C. Trade Assurance, FOB / EXW / DDP trade terms available. Standard export wooden & carton packing for long‑distance sea & air shipping.

Manufacturer Profile

Guangzhou Huilian Machinery Equipment Co., Ltd is a professional supplier of excavator & hydraulic breaker spare parts based in Guangzhou, China.

We stock wide‑ranging replacement parts for most well‑known excavator and rock‑breaker brands. Original, OEM and high‑quality aftermarket options are available.

Supported by experienced technical staff, strict quality checking, fast delivery and full export service, we serve clients across the globe for excavator maintenance & repair business.

FAQ

We are a professional supplier integrating sourcing, testing and warehousing for excavator and hydraulic breaker spare parts. We have long‑term cooperation with many factories, can supply original, OEM and high‑quality aftermarket parts.

Most common spare parts are in stock. Goods can be shipped within 24‑48 working hours after payment. For out‑of‑stock or custom‑made items, lead time is about 7‑25 working days, depends on models.

We supply hydraulic breaker parts for all major brands, including seal kits, pistons, diaphragms, cylinders, front & back heads, chisels, accumulators, bushing sets, through bolts, valve sleeves, and charging kits.

We are a professional and experienced manufacturer of excavator hydraulic breaker hammers, hydraulic breaker hammer pipelines, and their related spare parts.

Please provide us machine model, serial number, old part number or dimension drawings/sample photos. Our technical team will check and confirm the correct part for you to avoid wrong items.