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Yellow Machinery Hydraulic Maintenance 90L055 Sauer 90 Pump
The Series 90 axial piston variable displacement pumps are of cradle swash plate design with variable displacement, intended for closed circuit applications. The flow rate is proportional to the pump input speed and displacement, which is infinitely adjustable between zero and maximum displacement.
| Sauer 90 Series | Unit | 90L030 | 90L042 | 90L055 | 90L075 | 90L100 | 90L130 | 90L180 | 90L250 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Displacement | cm³ | 30 | 42 | 55 | 75 | 100 | 130 | 180 | 250 | |
| Input Speed | Minimum | rpm | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
| Rated | rpm | 4200 | 4200 | 3900 | 3600 | 3300 | 3100 | 2600 | 2300 | |
| Maximum | rpm | 4600 | 4600 | 4250 | 3950 | 3650 | 3400 | 2850 | 2500 | |
| Theoretical Torque | Nm/bar | 0.48 | 0.67 | 0.88 | 1.19 | 1.59 | 2.07 | 2.87 | 3.97 | |
| Weight (MA Control) | kg | 28 | 34 | 40 | 49 | 68 | 88 | 136 | 154 | |
These components are widely used in roadheaders, excavators, concrete mixers, pump trucks, pavers, road rollers, and other industrial hydraulic machinery. Professional maintenance services are applicable to construction, metallurgical, mining, and shipping fields.
