High-quality aftermarket hydraulic gear pump designed for construction machinery appliions. Features aluminum housing, hardened steel gears, and durable oil seals for reliable performance with low leakage and stable pressure. Direct OEM replacement part.
| Item | Specifiions |
|---|---|
| Main Part No | 5WHP3/66778BOB |
| Short PN | 5WHP366778BOB |
| OEM Original PN | 6677829 |
| Product Name | Triple Hydraulic Gear Pump |
| Applicable Brand | Bob- |
| Fit Models | Bob- 320, 322, 323, 320D, 322G Mini Excavator |
| Structure | Three-stage External Meshing Gear Pump |
| Displacement | 11+5+5 cc/rev |
| Rotation Direction | Clockwise |
| Spline Shaft | 11-Tooth Spline Shaft |
| Housing Material | High-strength Die-cast Aluminum Alloy |
| Gear Material | Alloy Steel, Carburizing & Quenching Treated |
| Seal Kit | High Temp FKM Oil Seal |
| Working Pressure | Rated: 16MPa / Max: 21MPa |
| Working Temp | -20℃ ~ +120℃ |
| Condition | Brand New Aftermarket Replacement |
| Warranty | 12 Months |
| Package | Export Standard Carton Packing |
| WHP Aftermarket PN | Bob- OEM PN | Compatible Excavator Model | Function Description |
|---|---|---|---|
| 5WHP3/66778BOB | 6677829 | 320, 322, 323, 320D, 322G | Main Working Hydraulic Pump |
| 5WHP3/69649BOB | 6669649 / 6679080 | Bob- 325, 328 Mini Excavator | Triple Main Hydraulic Pump |
| 5WHP3/66768BOB | 6676827 | Bob- 319, 320 Early Version | Auxiliary Hydraulic Drive Pump |
| 5WHP3/66888BOB | 6688831 | Bob- E16, E18 Mini Excavator | Upgrade Replacement Triple Pump |
| 5WHP3/65778BOB | 6577819 | Bob- 316, 318 | Small Flow Triple Gear Pump |
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