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Brand Name : CAT
Model Number : 4I-1023、348-7627、7Y-4002
Certification : ISO
Place of Origin : USA
MOQ : 1
Payment Terms : MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability : 100
Delivery Time : 2 weeks
Packaging Details : wooden box
Outlet Port Position : Top, Side, Bottom (customizable angle: 0°/90°/180°)
All pump types : Low-temperature customization requires anti-freezing hydraulic oil matching
Oil Cleanliness Grade : Standard: NAS 9; Custom high-purity: NAS 6 (for precision control systems)
Main pumps, pilot pumps : Higher cleanliness grade reduces internal wear for long-term stable operation
Operating Temperature : Standard: -20°C to 90°C; Custom low-temperature: -40°C to 90°C (special oil seal)
Control Mode : Manual control, Hydraulic proportional control, Electric proportional control (PLC)
4I-1023,348-7627,7Y-4002 3-10 ton small excavator hydraulic pump adaptation 305.5E/306E/307D/E/308E/312D/317
| Pump Type | OEM Part Number | Applicable Equipment Model | Displacement (cc/r) | Rated Pressure (MPa) | Rotation Direction |
| Axial Piston Pump | 487-6207 | 301.5/301.6/301.7CR | 12.5 | 28 | Clockwise |
| Axial Piston Pump | 423-0097 | 305.5E/306E/307E | 65 | 32 | Clockwise |
| Axial Piston Pump | 272-6959 | 325D/329D/DL | 145 | 35 | Clockwise |
| Axial Piston Pump | 369-9655 | 374F/390F | 280 | 38 | Clockwise |
| Axial Piston Pump | 307-3063 | 415F/416F/422F | 112 | 31 | Clockwise |
| Gear Pump (Pilot) | 560-0886 | Full Range Excavators | 8.2 | 21 | Clockwise |
| Axial Piston Pump | 295-9426 | 349 Series | 160 | 36 | Clockwise |
| Gear Pump (Auxiliary) | 175-6253 | Loaders/Backhoes | 10.5 | 24 | Clockwise |

| Main pump: 487-6207 CA4876207,566-7021,241-7972,163-9762,241-9299 |
| • Adaptation: 301.5/301.6/301.7CR/301.8/302CR/302.5C/303.5, etc |
| Pilot/gear pump: 560-0886, 211-6626 |
| 2, Small excavator (3-10 tons) |
| Main pumps: 423-0097, 397-3941, 214-1091, 4I-1023, 348-7627, 7Y-4002, 247-7867, 358-5004 |
| • Adaptation: 305.5E/306E/307D/308E/312D/317, etc |
| Pilot/gear pump: 126-2016, 284-3536 |
| 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 |
FAQ:
Q1: What is the role of a pilot pump in Cat equipment?
A: The pilot pump supplies low-pressure hydraulic oil to control valves, enabling operator control of equipment movements (e.g., boom lift, bucket tilt).
Q2: How often should Cat hydraulic pump filters be replaced?
A: Follow the equipment maintenance schedule—typically every 500–1000 operating hours, or sooner in harsh working conditions.
Q3: What is the application of Cat pump part number 307-3063?
A: 307-3063 is an axial piston pump designed for Cat loaders/backhoes (e.g., 415F/416F), not for excavators.
Q4: What temperature range can Cat hydraulic pumps operate in?
A: The optimal operating temperature is 50–80°C; prolonged operation below 10°C or above 90°C will reduce pump life.
Q5: How to check hydraulic pump flow rate?
A: Use a flow meter connected to the pump’s outlet port, measure the flow under rated pressure, and compare it to the OEM specifications.
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4I-1023、348-7627、7Y-4002 3-10 ton small excavator hydraulic pump adaptation 305.5E/306E/307D/E/308E/312D/317 Images |