Part Number: 705-21-28270
Fit Models: KOMATSU D31-18 D31-20 D37-5 Bulldozer, WA380Z-6 Wheel Loader
High pressure external spur gear pump featuring aluminum alloy housing, hardened steel gear, NO-K oil seal, and DAIDO bushing installed.
| Item | Specification |
|---|---|
| OEM Part No | 705-21-28270 |
| Short No | 7052128270 |
| Product Name | Hydraulic Gear Pump |
| Brand Fit | KOMATSU |
| Applicable Models | WA380Z-6, D31-18, D31-20, D37-5 |
| Pump Structure | Single External Gear |
| Housing Material | Aluminum Alloy |
| Gear Material | Heat Treated Alloy Steel |
| Seal Brand | NO-K Oil Seal |
| Bushing | DAIDO Bimetal Bushing |
| Feature | Low Internal Leakage, High Efficiency, Stable Pressure Output |
| Replacement Type | Direct OEM Replacement |
| Condition | Brand New Aftermarket |
| Warranty | 12 Months |
| Packing | Export Wooden Case / Carton Box |
| OEM Part Number | Cross Reference No. | Applicable Machine | Pump Type |
|---|---|---|---|
| 705-21-28270 | 7052128270 | WA380Z-6 Wheel Loader, D31-18 D31-20 D37-5 Bulldozer | Single High Pressure Working Gear Pump |
| 705-21-28260 | 7052128260 | WA320-6 WA320Z-6 Wheel Loader | Steering Gear Pump |
| 705-21-26050 | 7052126050 | PC1100-6 PC1250-7 Excavator | Auxiliary Gear Pump |
| 705-21-36240 | 7052136240 | PC3000-6 Excavator | Triple Gear Pump |
| 705-21-43000 | 7052143000 | D475A-1 D475A-2 Bulldozer | Main Hydraulic Gear Pump |
| 705-21-43010 | 7052143010 | D475A-5 D475A-6 Bulldozer | Updated Main Gear Pump |
If you cannot find the number you need, please contact our sales manager to check and confirm it!