Model code — A10VO28EK1DS/53R-VSC12N00P
Decoded against the official ordering code of this series (series 53 uses 12 positions, in the order of positions 02–13 of series 31). This unit reads as follows:
| Field | Value | Meaning |
|---|---|---|
| Axial piston unit | A10VO | A10VO swashplate variable pump (open circuit) |
| Size (NG) | 28 | nominal size NG28 |
| Control | EK1DS | see the control section on this page |
| Series | 53 | series 53 |
| Rotation | R | clockwise, viewed from the shaft end |
| Seals | V | FKM fluoroelastomer (modern standard) |
| Drive shaft | S | spline, ISO 3019-1 / ANSI B92.1a |
| Mounting flange | C | SAE 2-hole (standard) |
| Work ports | 12 | metric flange seat, fixed metric threads (DIN 13) |
| Through drive | N00 | no through drive |
| Solenoid connector | P | with solenoid connector |
Product overview
New aftermarket A10VO axial piston variable pump, Series 53, swashplate design for open circuit. Complete model code: A10VO28EK1DS/53R-VSC12N00P. Size NG28, nominal displacement 28 cm³/rev. Nominal pressure 250 bar, maximum pressure 315 bar. Direction of rotation R (clockwise, viewed on the drive shaft). Quality checked before shipping. Contact us to confirm exact configuration and availability before ordering.
Control: EK1DS electro-proportional control with controller cut-off
The EK variant is based completely on the EP variant. In addition to the electro-proportional control function, a controller cut-off is integrated in the electric characteristic curve: the pump swivels to Vg max if the pilot signal is lost (e.g. cable break), then working with the DRF settings if necessary. The controller cut-off is only intended for short-term use. A PWM signal is used to control the solenoid. A minimum working pressure of 50 bar is needed for safe and reproducible control; at lower pressures a pilot signal above 500 mA (EK2) or 1000 mA (EK1) is required to avoid undesired cut-off.
- Voltage: EK1 = 12 V (±20%), EK2 = 24 V (±20%).
Other control options on this size
This 28 cm³ Series 53 pump is also available with other controls:
- A10VO28DRS/53R-VSC12K01-S — DRS pressure and flow controller (load-sensing, with flushing)
- A10VO28ED72/53R-VSC12G70P — ED72 electrohydraulic pressure control, negative (24 V)
- A10VO28LA6DS/53R-VSC11N00 — LA6DS pressure, flow and power controller (power limiter)
- A10VO28LA7DS/53R-VSC12N00-S — LA7DS pressure, flow and power controller (power limiter)
Ordering
Send us the complete model code from the nameplate of your existing pump, or the machine model — we will confirm the correct size, control and configuration before you order.
Other models in this series
Other A10VO Series 53 models we stock:
- A10VO100DRS/53R-VSC12K68 — DRS pressure and flow control (load sensing, X-T plugged)
- A10VO18DRS/53R-VSC11N00-S — DRS pressure and flow control (load sensing, X-T plugged)
- A10VO28DRS/53R-VSC12K01-S — DRS pressure and flow control (load sensing, X-T plugged)
- A10VO45DRS/53R-VSC11N00 — DRS pressure and flow control (load sensing, X-T plugged)
- A10VO63DRS/53R-PSC12N00-SO854 — DRS pressure and flow control (load sensing, X-T plugged)
Not sure about the fit? Contact us with the full nameplate code and we will confirm before you order.
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