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{"title":"Excavator Parts E305 E306 Excavator Hydraulic Pump 423-0087 Hydraulic Main Pump","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/bc\/e7\/70c3edaad4d2abb6c9683882e04a-200x200-1\/excavator_parts_e305_e306_excavator_hydraulic_pump_423_0087_hydraulic_main_pump.jpg","attrs":{"Brand Name":"Belparts","Model Number":"E305 E306","Place of Origin":"China","Minimum Order Quantity":"1 piece"}}
{"title":"E330C R330-6 HD1430 Excavator Hydraulic Pump K3V180DT Main Pump","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/11\/e2\/c19ae4f1abf673ef1ffc5fe1cdb4-200x200-1\/e330c_r330_6_hd1430_excavator_hydraulic_pump_k3v180dt_main_pump.jpg","attrs":{"Brand Name":"Belparts","Model Number":"E330C R330-6 HD1430 K3V180DT","Certifiion":"OEM","Place of Origin":"China"}}
{"title":"Doosan Excavator Heavy Equipment Pump , Hydraulic Pump Unit DX340 A8VO200","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/49\/3c\/26eedbc93a3f209c478e12e1db7a-200x200-1\/doosan_excavator_heavy_equipment_pump_2c_hydraulic_pump_unit_dx340_a8vo200.jpg","attrs":{"Brand Name":"Belparts","Model Number":"DX340 A8VO20","Certifiion":"OEM","Place of Origin":"China"}}
{"title":"PC55MR-3 Excavator Hydraulic Pump Assy \/ PC55-3 Main Pump Excavator 708-3S-00942","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3e\/62\/155d392039972c1f79691f34b027-200x200-1\/pc55mr_3_excavator_hydraulic_pump_assy_2f_pc55_3_main_pump_excavator_708_3s_00942_708_3s_00941.jpg","attrs":{"Brand Name":"Belparts","Model Number":"PC55MR-3","Certifiion":"OEM","Place of Origin":"China"}}
{"title":"AP2D36 Hitachi Hydraulic Pump General For ZX70 ZX75 Excavator 1 Year Warranty","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/19\/fc\/9230166d303f60ed87c516a5133f-200x200-1\/ap2d36_hitachi_hydraulic_pump_general_for_zx70_zx75_excavator_1_year_warranty.jpg","attrs":{"Brand Name":"Belparts","Model Number":"AP2D36","Certifiion":"OEM","Place of Origin":"China"}}
{"title":"Donsan DX420 Excavator Hydraulic Pump A8V0200 Blue Color Six Month Ensure","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/14\/4e\/65bccbd37becde2370d05baf9f22-200x200-1\/donsan_dx420_excavator_hydraulic_pump_a8v0200_blue_color_six_month_ensure.jpg","attrs":{"Brand Name":"Belparts","Model Number":"DX420","Certifiion":"OEM","Place of Origin":"China"}}
The hydraulic pump operates based on the principle of positive displacement, where mechanical force (from the engine) drives the pump to create fluid flow. The key steps in its operation include:
Suction Phase: As the pump’s internal mechanism (e.g., gears, pistons, or vanes) rotates, it creates a vacuum that draws hydraulic fluid from the reservoir.
Compression Phase: The trapped fluid is pressurized as the pump’s moving parts reduce the chamber volume, forcing the fluid into the hydraulic system.
Discharge Phase: The high-pressure fluid is delivered to control valves, cylinders, or motors to perform mechanical work.
Common types of hydraulic pumps used in excavators include:
Gear Pumps – Simple, cost-effective, and suitable for medium-pressure applications.
Piston Pumps – High efficiency and pressure capability, ideal for heavy-duty excavators.
Vane Pumps – Provide smooth flow with moderate pressure, often used in compact excavators.
FAQ
1.What is the warranty time of the products?
The warranty time is 3/6 months based on the item details; We don't provide warranty time for original and used products.
2.What is your delivery time?
Generally, we will arrange the goods within 24 hours after your payment; if not in stock, the delivery time will be communied in advance, usually 3-7 days
3.What are your main products ?
We are specialized in spare parts for excavator hydraulic system, such as travel motor,swing motor, travel gearbox,swing gearbox,gear parts, hydraulic pump,hydraulic parts,etc.If you need other excavator parts, we also can supply as your requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2013
Total Annual:
20000-3000000
Employee Number:
50~93
Ecer Certification：
Verified Supplier
GZ Yuexiang Engineering Machinery Co., Ltd.
GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t... GZ Yuexiang Engineering Machinery Co., Ltd.
GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t...
