| Pump Stage | Model | Pressure (bar) | Flow / Stroke (cc) | Oil tank Capacity (ltrs.) | ||
| 1 Stage | 2 Stage | 1 Stage | 2 Stage | |||
| Single | RHP1P4-2-1.4 | — | 700 | — | ||
| RHP1P4-2-2 | — | 700 | — | 2.8 | ||
| Two | RHP3P4-2-1.4 | 30 | 700 | 17 | ||
| RHP3P4-2-2 | 30 | 700 | 17 | 2.8 | ||
| RHP3P4-2-3 | 30 | 700 | 17 | 2.8 | ||
| RHP2P4-2-5 | 30 | 700 | 49 | 2.8 | ||
| RHP2P4-2-8 | 30 | 700 | 49 | 2.8 | ||
| RHP2P4-2-13 | 30 | 700 | 49 | 2.8 | ||
| RHP2P4-2-20 | 30 | 700 | 49 | 2.8 |