Features
High power density & compact structure, saves installation space
Variable displacement design, precise flow regulation, reduces energy consumption
Robust bearing and piston assembly, long service life under heavy-duty continuous operation
Stable performance at high pressure, low noise and low vibration
Wide displacement range to match diverse engineering machinery & industrial hydraulic systems
Suitable for open circuit applications, easy installation and maintenance
Compatible replacement for standard A11VO series pumps
Ideal for excavators, loaders, concrete machinery, drilling rigs and other heavy-duty hydraulic equipment.
Parameters
Introduction to Specifications of A11VO Series Piston Pump
| Item | Symbol | Unit | 40 | 60 | 75 | 95 | 130 | 145 | 190 | 260 |
|---|---|---|---|---|---|---|---|---|---|---|
| Size — TFA11VO | 40 | 60 | 75 | 95 | 130 | 145 | — | — | ||
| Size — TFA11VO（with charge pump） | — | — | — | — | — | — | 190 | 260 | ||
| Displacement（Vg max） | Vg max | ml/r | 42 | 58.5 | 74 | 93.5 | 130 | 145 | 193 | 260 |
| Displacement（Vg min） | Vg min | ml/r | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Speed maximum at Vg max ¹ | n_max | rpm | 3000 | 2700 | 2550 | 2350 | 2100 | 2200 | 2500 | 2300 |
| Speed maximum at Vg ≤ Vg max | n_max | rpm | 3500 | 3250 | 3000 | 2780 | 2500 | 2500 | 2500 | 2300 |
| Flow at n_max and Vg max | q_v max | L/min | 126 | 158 | 189 | 220 | 273 | 319 | 483 | 598 |
| Power at q_vmax and ΔP=35MPa | P_max | kW | 74 | 92 | 110 | 128 | 159 | 186 | 281 | 349 |
| Torque at v_gmax and ΔP=35MPa | T_max | Nm | 234 | 326 | 412 | 521 | 724 | 808 | 1075 | 1448 |
| Mass moment of inertia around drive axis | J_GR | kgm² | 0.0048 | 0.0082 | 0.0115 | 0.0173 | 0.0318 | 0.0341 | 0.0577 | 0.0895 |
| Filling volume | V | L | 1.1 | 1.35 | 1.85 | 2.1 | 2.9 | 2.9 | 3.8 | 4.6 |
| Weight（approx.） | m | kg | 32 | 40 | 45 | 53 | 66 | 76 | 95 | 125 |
