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{"title":"Excavator Parts 123-1993 A8VO160 Main Pump 1231993 345B 330B Hydraulic Pump","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/66\/3b4fe15dc546a80bebb77b86b7b9-200x200-1\/excavator_parts_123_1993_a8vo160_main_pump_1231993_345b_330b_hydraulic_pump.jpg","attrs":{"Brand Name":"","Model Number":"330B","Certifiion":"ISO9001","Place of Origin":"Japan"}}
{"title":"Excavator E120B Hydraulic Main Pump VRD63 0990246 120B Hydraulic Pump Assembly","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/83\/e6316716b4eed318fe09a33336c8-200x200-1\/excavator_e120b_hydraulic_main_pump_vrd63_0990246_120b_hydraulic_pump_assembly.jpg","attrs":{"Brand Name":"","Model Number":"E120B","Certifiion":"ISO9001","Place of Origin":"Japan"}}
Part Numbers: 266-7944, 259-0818, 222-8355, 2836084
Key Features
Constant Power Variable Control: Built-in hydraulic power regulator automatically adjusts flow output according to digging load, preventing engine speed drop and stalling during heavy-duty work.
Dual Pump Combined Flow: Integrated dual piston pump design provides high oil delivery for simultaneous boom, arm, swing, and travel operations without oil competition.
High Precision Components: Precision ground cylinder block, piston, and valve plate offer excellent performance under high temperatures and poor hydraulic oil conditions.
Stable Pressure Output: Strictly controlled internal leakage maintains consistent performance between cold and hot operating conditions.
Direct OEM Replacement: 1:1 mounting dimensions with identical flange, oil port, and spline sizes for easy installation without modifications.
About Xinfeng Machinery (XF) Parts
Established in 1998, Xinfeng Machinery Parts Company is a professional team of high-quality technical personnel integrating production, maintenance, sales, and service. With 25 years of experience in the excavator industry, we provide original used parts, rebuilt parts, original new parts, and OEM new parts for multiple equipment types.
Our comprehensive product range includes hydraulic pumps, travel motors, final drives, main control valves, swing motors, and engines for brands such as KOMATSU, HITACHI, JD, EC, CASE JCB, KOBELCO, NEW HOLLAND, SUMITOMO, KATO, BOB, DOOSAN, and HYUNDAI.
Maintenance Guidelines
Replace hydraulic oil, oil return filter element, and pilot filter element according to prescribed maintenance periods
Check for iron filings or copper filings on filter elements during maintenance
Shorten replacement cycles when using breakers due to accelerated hydraulic oil deterioration
Avoid prolonged operation without oil and ensure proper air bleeding after component replacement
Maintain waterproofing - avoid deep water operation and direct water contact with electrical components
Periodically replace gear oil in slewing reducer and traveling reducer
Daily inspection of structure for cracks and deformation
Park excavator on solid, stable, hard surfaces away from rivers, cliffs, or hillsides
When parking, fully retract bucket cylinder and lower bucket to ground to prevent cylinder damage
Technical Support
Our technical team is available for consultation if you encounter any technical problems with your excavator. All products come with a customer satisfaction guarantee.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Agent,Trading Company,Seller
Year Established:
1998
Total Annual:
500000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
About Xinfeng Machinery (XF) parts:
Xinfeng Machinery Parts Company was established in 1998. It is a professional team composed of high-quality technical personnel integrating production, maintenance, sales, and service. It is committed to providing customers with high-quality and effic... About Xinfeng Machinery (XF) parts:
Xinfeng Machinery Parts Company was established in 1998. It is a professional team composed of high-quality technical personnel integrating production, maintenance, sales, and service. It is committed to providing customers with high-quality and effic...
