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{"title":"9T-8647\u30019T-8346\u3001100-6239\/OR-7677 bulldozer hydraulic pump axial piston main pump","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/84\/787e1dd9d504b65d1c1d96aeb780-200x200-1\/9t_8647_e3_80_819t_8346_e3_80_81100_6239_2for_7677_bulldozer_hydraulic_pump_axial_piston_main_pump_gear_pump_pilot_adaptation_d7r_.jpg","attrs":{"Brand Name":"","Model Number":"9T-8647\u30019T-8346\u3001100-6239\/OR-7677","Certifiion":"ISO","Place of Origin":"USA"}}
{"title":"487-6207\u3001CA4876207\u3001566-7021 excavator hydraulic pump is suitable for301.5\/301.6","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/6b\/ce8eca9098839fb86b601e344ba8-200x200-1\/487_6207_e3_80_81ca4876207_e3_80_81566_7021_excavator_hydraulic_pump_is_suitable_for301_5_2f301_6_2f301_7cr_2f301_8_2f302cr_2f302_.jpg","attrs":{"Brand Name":"","Model Number":"487-6207\u3001CA4876207\u3001566-7021","Certifiion":"ISO","Place of Origin":"USA"}}
{"title":"241-7972\u3001163-9762\u3001241-9299 Small excavator main pump adaptation 301.5\/301.6\/301","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/ed\/990677ac0ebca2ffacd545063025-200x200-1\/241_7972_e3_80_81163_9762_e3_80_81241_9299_small_excavator_main_pump_adaptation_301_5_2f301_6_2f301_7cr_2f301_8_2f302cr_2f302_5c_2.jpg","attrs":{"Brand Name":"","Model Number":"241-7972\u3001163-9762\u3001241-9299","Certifiion":"ISO","Place of Origin":"USA"}}
{"title":"423-0097\u3001397-3941\u3001214-1091 Small excavator 3-10 ton hydraulic pump adaptation","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/06\/a1c3a41aca94f9a18a17b021cae6-200x200-1\/423_0097_e3_80_81397_3941_e3_80_81214_1091_small_excavator_3_10_ton_hydraulic_pump_adaptation_305_5e_2f306e_2f307d_2fe_2f308e_2f31.jpg","attrs":{"Brand Name":"","Model Number":"423-0097\u3001397-3941\u3001214-1091","Certifiion":"ISO","Place of Origin":"USA"}}
{"title":"4I-1023\u3001348-7627\u30017Y-4002 3-10 ton small excavator hydraulic pump adaptation 305","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/64\/16ccad26b5192c37f7d28910a9f8-200x200-1\/4i_1023_e3_80_81348_7627_e3_80_817y_4002_3_10_ton_small_excavator_hydraulic_pump_adaptation_305_5e_2f306e_2f307d_2fe_2f308e_2f312d.jpg","attrs":{"Brand Name":"","Model Number":"4I-1023\u3001348-7627\u30017Y-4002","Certifiion":"ISO","Place of Origin":"USA"}}
{"title":"247-7867\u3001358-5004 3-10 ton small excavator hydraulic axial piston pump","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/72\/cec62ff473c3f1e20f77a60d8af2-200x200-1\/247_7867_e3_80_81358_5004_3_10_ton_small_excavator_hydraulic_axial_piston_pump_adaptation_305_5e_2f306e_2f307d_2fe_2f308e_2f312d_2.jpg","attrs":{"Brand Name":"","Model Number":"247-7867\u3001358-5004","Certifiion":"ISO","Place of Origin":"USA"}}
Main Pumps: 307-3063 CA3073063, 20R-6569, 161-6634, 235-4110, 100-3259, 121-7385
Compatible Models: 415F, 416C/D/E/F, 422F, 426F, 428D/F with C3.4/C4.4 engines
Pilot/Gear Pumps: 175-6253, 397-6960
Bulldozer Appliions
Main Pumps: 9T-8647, 9T-8346, 100-6239/OR-7677, 9J-5068, 9T-8647, 6E-5072
Compatible Models: D7R/H, D8N/R, D9R, 140G, etc.
Gear Pumps: 9T-1318, 104-1752
Frequently Asked Questions
Are hydraulic pumps compatible with biodegradable hydraulic oil?
Yes, but only if the oil meets 's specifiions and is compatible with the pump's seal materials; consult a dealer for recommendations.
What is the pilot pressure range for excavator hydraulic systems?
The typical pilot pressure range is 3-5 MPa, providing stable control signal pressure for the operation valves.
How to disassemble a axial piston pump?
Follow the official disassembly manual, use specialized tools, mark component positions during disassembly, and clean all parts thoroughly to avoid contamination.
What is the part number for the main pump of 349 series?
The main pump part number for 349 series is 295-9426, a high-pressure axial piston pump.
Can a damaged hydraulic pump shaft be repaired?
Minor shaft wear can be repaired via plating or grinding, but severe damage (e.g., bending, cracking) requires shaft replacement or pump remanufacturing.
What is the role of a charge pump in variable-displacement pumps?
The charge pump supplies low-pressure oil to lubrie internal pump components and maintain control chamber pressure for displacement adjustment.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
