Complaint
Hydraulic pump Sauer Sundstrand 90R series 90R030, 90R042, 90R055, 90R075, 90R100, 90R130, 90R180, 90R250, 90L series 90L030, 90L042, 90L055, 90L075, 90L100, 90L130, 90L180, 90L250.
Series 90 axial piston variable displacement pumps are of cradle swash plate design with variable displacement, and are intended for closed circuit applications. The flow rate is proportional to the pump input speed and displacement. The latter is infinitely adjustable between zero and maximum displacement. Flow direction is reversed by tilting the swash plate to the opposite side of the neutral (zero displacement) position.
- The Series 90 - Advanced Technology Today
- 8 Sizes of Variable Displacement Pumps
- Complete Family of Control Systems
- Proven Reliability and Performance
- Optimum Product Configurations
- Compact and Lightweight
Technical Data
Table of values (theoretical values, without efficiency and tolerances; values rounded)| Sauer 90 | Dimension | 90R030 90L030 | 90R042 90L042 | 90R055 90L055 | 90R075 90L075 | 90R100 90L100 | 90R130 90L130 | 90R180 90L180 | 90R250 90L250 | |
| Displacement | cm3 | 30 | 42 | 55 | 75 | 100 | 130 | 180 | 250 | |
| in3 | 1.83 | 2.56 | 3.35 | 4.57 | 6.1 | 7.93 | 10.98 | 15.25 | ||
| Input speed | Minimum | min-1 (rpm) | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
| Rated | min-1 (rpm) | 4 200 | 4 200 | 3 900 | 3 600 | 3 300 | 3 100 | 2 600 | 2 300 | |
| Maximum | min-1 (rpm) | 4 600 | 4 600 | 4 250 | 3 950 | 3 650 | 3 400 | 2 850 | 2 500 | |
| Max. Attainable | min-1 (rpm) | 5 000 | 5 000 | 4 700 | 4 300 | 4 000 | 3 700 | 3 150 | 2 750 | |
| Theoretical | Nm/bar | 0.48 | 0.67 | 0.88 | 1.19 | 1.59 | 2.07 | 2.87 | 3.97 | |
| Torque | in lb/1000 psi | 290 | 410 | 530 | 730 | 970 | 1 260 | 1 750 | 2 433 | |
| Mass moment of inertia of the int. rotating parts | kg m2 | 0.0023 | 0.0039 | 0.006 | 0.0096 | 0.015 | 0.023 | 0.038 | 0.065 | |
| lb • ft2 | 0.0546 | 0.0926 | 0.1424 | 0.228 | 0.356 | 0.546 | 0.902 | 1.543 | ||
| Weight (with MA Control) | kg | 28 | 34 | 40 | 49 | 68 | 88 | 136 | 154 | |
| lb | 62 | 75 | 88 | 108 | 150 | 195 | 300 | 340 | ||
