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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"}}
Guarantee: We will check and send detailed pictures to buyers for confirmation
We could supply the hydraulic pump and also the inner spare parts as below model:
DX255
K1025496
EC360
14566659
Zx450-1
9184686
EC300
14632316
Zx450-3
4633472
K5V200DT-9N-17T
K5V200DT-9C-17T
PC200-8
708-2L-00500
PC200-7
708-2L-00300
PC200-8
708-2L-00400
PC130-7
PC130-7 708-1L-00651
SK480
K3V180DTH-9TOU
K5V200DTH
31QB-10011
PC300-7
708-2G-00024
PC400-6
708-2H-00191
PC400-7
708-2H-00026
SBS120
272-6955
ZX200-1
9195235
EC700
14621492
ZX200-1
9195235
EC700
14621492
R360
31NA-10010
E260LC
K5V140DTP-9T1L-17T
JCB330
925334
Open-Circuit Pump vs. Closed-Circuit System Application in Excavators: This description focuses on the core system principle difference and how pump selection dictates function suitability. Principle: An open-circuit pump draws fluid from a reservoir, pressurizes it, sends it through control valves to actuators (cylinders, motors), and the return fluid from the actuators flows back to the reservoir. Fluid constantly cycles through the tank. Axial piston (variable disp.), gear, and vane pumps are typically used here. A closed-circuit pump (as described previously) circulates fluid primarily in a sealed loop between the pump and a motor, with only a small charge pump drawing from/replenishing to the reservoir. Structural Implications: Open-circuit pumps have dedicated inlet (suction) ports connected to the reservoir and outlet (pressure) ports feeding the valve manifold. They require a larger reservoir for cooling and de-aeration. Closed-circuit pumps have two main working ports (A & B) directly connected to the motor and an integral charge circuit connected to the reservoir. Excavator Application & Pump Selection: Open-circuit systems dominate the implement hydraulics (boom, arm, bucket, blade, swing typically) because multiple actuators share a common pump and reservoir, controlled by valves. The flexibility, ability to easily handle multiple functions simultaneously via valves, and suitability for linear cylinders make variable displacement axial piston pumps (often pressure-compensated or load-sensing) the ideal choice here. Closed-circuit systems excel in driving rotary travel motors (and sometimes swing) due to their efficiency in bi-directional power transmission, inherent braking, and controllability.
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...
