Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Variable-displacement axial piston pumps | Electric control enables remote flow adjustment for automated equipment |
| All pump types | Low-temperature customization requires anti-freezing hydraulic oil matching |
| Displacement Range | 8.2–280 cc/r (adjustable for variable-displacement pumps) |
| Outlet Port Position | Top, Side, Bottom (customizable angle: 0°/90°/180°) |
| Oil Cleanliness Grade | Standard: NAS 9; Custom high-purity: NAS 6 (for precision control systems) |
| Control Mode | Manual control, Hydraulic proportional control, Electric proportional control (PLC) |
| Seal Material | Nitrile rubber (NBR, standard), Fluororubber (FKM, custom for high-temperature oil) |
| Shaft Specification | Shaft diameter: 14–50 mm; Keyway type: Flat key, Splined key (14–28 teeth) |
| Brand Name | CAT |
| Model Number | 9T-8647、9T-8346、100-6239/OR-7677 |
| Certification | ISO |
| Place of Origin | USA |
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Product Specification
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Variable-displacement axial piston pumps | Electric control enables remote flow adjustment for automated equipment | All pump types | Low-temperature customization requires anti-freezing hydraulic oil matching |
| Displacement Range | 8.2–280 cc/r (adjustable for variable-displacement pumps) | Outlet Port Position | Top, Side, Bottom (customizable angle: 0°/90°/180°) |
| Oil Cleanliness Grade | Standard: NAS 9; Custom high-purity: NAS 6 (for precision control systems) | Control Mode | Manual control, Hydraulic proportional control, Electric proportional control (PLC) |
| Seal Material | Nitrile rubber (NBR, standard), Fluororubber (FKM, custom for high-temperature oil) | Shaft Specification | Shaft diameter: 14–50 mm; Keyway type: Flat key, Splined key (14–28 teeth) |
| Brand Name | CAT | Model Number | 9T-8647、9T-8346、100-6239/OR-7677 |
| Certification | ISO | Place of Origin | USA |
| High Light | CAT bulldozer hydraulic pump axial piston ，D7R D8N D9R bulldozer main pump ，Carter hydraulic pump with pilot adaptation | ||
9T-8647,9T-8346,100-6239/OR-7677 CAT bulldozer hydraulic pump axial piston main pump gear pump pilot adaptation D7R/H, D8N/R, D9R, 140G
| Pump Type | OEM Part Number | Applicable Equipment Model | Displacement (cc/r) |
| Axial Piston Pump | 487-6207 | 301.5/301.6/301.7CR | 12.5 |
| Axial Piston Pump | 423-0097 | 305.5E/306E/307E | 65 |
| Axial Piston Pump | 272-6959 | 325D/329D/DL | 145 |
| Axial Piston Pump | 369-9655 | 374F/390F | 280 |
| Axial Piston Pump | 307-3063 | 415F/416F/422F | 112 |
| Gear Pump (Pilot) | 560-0886 | Full Range Excavators | 8.2 |
| Axial Piston Pump | 295-9426 | 349 Series | 160 |
| 3, Medium sized excavator (20-36 tons) |
| Main pumps: 272-6959, 289-7917, 272-6955, 259-0815/10 R-8707,451-9302,341-2860,567-9721,593-8367,436-6669,438-1293,244-8479,272-6957,339-0513,123-2233,126-2073,119-5407,497-8499,114-0602,0R-8102 |
| • Adaptation: 320D/D2/323D2/326GC/329D/330D/336D/D2XE, etc |
| Rotary pumps: 204-4916, 204-4922 |
| Pilot/gear pump: 175-6253, 397-6960 |
| 4, Large excavator (over 37 tons) |
| Main pump/rotary pump: 369-9655, 593-3840, 584-0380, 627-1304, 295-9426, 550-4341, 194-8259, 361-0718, 353-5691, 362-8488, 510-7950 |
| • Adaptation: 336GC/340/345/349/374F/385/390F/395GC, etc |
| Pilot/gear pump: 564-9801, 234-4638 |
| 5, Loader/Busy at both ends (415F/416F/422F/426F/428F, etc.) |
| Main pump: 307-3063 CA3073063,20R-6569,161-6634,235-4110,100-3259,121-7385 |
| • Adaptation: 415F/416C/D/E/F/422F/426F/428D/F, engine C3.4/C4.4 |
| Pilot/gear pump: 175-6253, 397-6960 |
| 6, Bulldozer (D7/D8/D9 series) |
| Main pumps: 9T-8647, 9T-8346, 100-6239/OR-7677, 9J-5068, 9T-8647, 6E-5072 |
| • Adaptation: D7R/H, D8N/R, D9R, 140G, etc |
| Gear pump: 9T-1318, 104-1752 |
| 7, Mining/heavy equipment (374F/390F/988G/966H, etc.) |
| Main pumps: 584-0379, 4208636, 4208637, 153-9624, 254-5147, 235-2716 |
| • Adaptation: 374F, 6015B, 988G, 966H, etc |
| • Auxiliary pump: 590-7889, 9U-6600 (manual hydraulic pump) |
FAQ:
Q1: What is the function of a relief valve in a Cat hydraulic pump system?
A: The relief valve limits the maximum system pressure, preventing overload damage to the pump and other hydraulic components.
Q2: How to identify a genuine Cat hydraulic pump?
A: Genuine pumps have a Cat logo, clear OEM part number marking, and a serial number that can be verified via the Cat official system.
Q3: What is the application of Cat gear pump part number 560-0886?
A: 560-0886 is a pilot gear pump suitable for all series of Cat mini and small excavators.
Q4: Why does a hydraulic pump produce excessive heat?
A: Excessive heat is caused by system pressure exceeding ratings, internal pump friction (wear), low oil level, or using oil with incorrect viscosity.
Q5: Can a Cat hydraulic pump be adjusted for higher flow rate?
A: Some variable-displacement pumps allow limited flow adjustment via a control valve, but adjustments beyond OEM specifications will cause pump damage.
Company Details
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...
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