Product Overview
A10VSO series is swashplate type axial piston variable pump, designed for open circuit hydraulic drives. It features high power density, reliable performance and multiple control modes. With nominal pressure 280 bar and peak pressure up to 350 bar, this pump is ideal for general machinery and mobile hydraulic equipment.


Applications
Construction machinery、Machine tools、Material handling equipment、Agricultural machinery、Metallurgical equipment
General industrial hydraulic systems

Parameters
Swashplate design Axial Piston Variable pump A10VSO/31 Series
| Item | Condition / Symbol | Unit | 18 | 28 | 45 | 71 | 100 | 140 |
|---|---|---|---|---|---|---|---|---|
| Size NG | 18 | 28 | 45 | 71 | 100 | 140 | ||
| Geometrical displacement per revolution | Vg max | ml/r | 18 | 28 | 45 | 71 | 100 | 140 |
| Maximum speed ¹) | at Vg max — n_no | rpm | 3300 | 3000 | 2600 | 2200 | 2000 | 1800 |
| Maximum speed ¹) | at Vg < Vg max — n_no max | rpm | 3900 | 3600 | 3100 | 2600 | 2400 | 2100 |
| Flow | at n_no and Vg max — qv max | L/min | 59.4 | 84 | 117 | 156 | 200 | 252 |
| Flow | at n_E = 1500 rpm and Vg max — qvE max | L/min | 27 | 42 | 68 | 107 | 150 | 210 |
| Power | at n_no, and Vg max — P_o max | kW | 27.7 | 39 | 55 | 73 | 93 | 118 |
| Power | at n_E = 1500 rpm and Vg max — P_E max | kW | 12.6 | 20 | 32 | 50 | 70 | 98 |
| Torque | at Vg max and Δp = (28Mpa) — T_max | Nm | 80.1 | 125 | 200 | 316 | 445 | 623 |
| Torque | at Vg max and Δp = (10Mpa) — T | Nm | 28.6 | 45 | 72 | 113 | 159 | 223 |
| Moment of inertia on drive shaft | J_GR | kgm² | 0.00093 | 0.0017 | 0.0033 | 0.0083 | 0.0167 | 0.0242 |
| Filling capacity | V | L | 0.4 | 0.7 | 1.0 | 1.6 | 2.2 | 3.0 |
| Weight (without through drive) approx. | m | kg | 12 | 15 | 21 | 33 | 45 | 60 |
| Drive shaft allowable load | Maximum axial load — F_ax max | N | 700 | 1000 | 1500 | 2400 | 4000 | 4800 |
| Drive shaft allowable load | Maximum radial load — F_q max | N | 350 | 1200 | 1500 | 1900 | 2300 | 2800 |
(1)The values are applicable for an absolute pressure pabs = 15 psi (1 bar) at suction port S,Speed can be
increased with reduced displacement or increased inlet pressure
Case Studies
High efficiency axial piston pumps by Taifeng Intelligent. Our heavy-duty hydraulic piston pumps are widely applied in excavators, backhoe loaders, concrete pump trucks, oilfield beam pumping units, agricultural balers, cotton pickers and hydraulic gantry presses. Rugged design, ultra-low flow pulsation and excellent ambient temperature adaptability. OEM & ODM hydraulic pump solutions for worldwide heavy equipment manufacturers. View our practical application cases below.

