Bosch Rexroth A10VO swashplate hydraulic pump for the Aebi Schmidt Engineering Equipment 270876-6 28051601 1182913-1 12-97601332
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- FAQ
The A10VO is a variable-displacement axial piston pump. Rexroth describes it as a swashplate-design pump for hydrostatic drives in open circuit. In an open circuit, the pump draws fluid from a reservoir and returns it there after the work is done.
How a Swashplate Pump Works
The core principle
Inside the housing, a rotating group of pistons sits in a cylinder block. The pistons ride against a tilted plate, the swashplate. As the block turns, each piston strokes in and out, drawing fluid at the inlet and pushing it out at the pressure port.
The tilt angle sets the stroke length. Rexroth's data sheet explains that flow is proportional to drive speed and displacement, and can be varied continuously by changing the swashplate angle.
Large angle: long stroke, high flow
Small angle: short stroke, low flow
Near zero: almost no flow, so almost no wasted power
That last point is the main advantage over a fixed-displacement gear pump. A fixed pump moves full flow all the time and dumps the excess over a relief valve as heat. A variable pump makes only the flow the circuit asks for.
The control options
The controller decides how the swashplate reacts. The A10VO family offers:
DR (pressure control): holds a set pressure and reduces flow when it is reached.
DRG: the same, with remote adjustment of the pressure setting.
DRS / DFR (pressure and flow, load-sensing): matches pump output to what the valves demand.
LA… (pressure, flow and power control): limits torque so the pump doesn't overload the engine.
ED / ER / EP / EK (electro-hydraulic and electro-proportional): allow control from an electronic module or machine controller.
For a vehicle that shares its engine between driving and working functions, the power-limiting and load-sensing options are the most useful.
Why the A10VO Fits Aebi Schmidt-Type Equipment
The duty cycle explains the choice
Aebi Schmidt's machines share a demanding working profile:
Variable load. A sweeper brush meets clean pavement, then heavy debris. A spreader meets wet, then frozen, material.
Shared power. The hydraulic system often runs off the vehicle or auxiliary engine, so wasted energy means wasted fuel.
Harsh environments. Salt, grit, cold starts, vibration, and long duty hours are the norm.
Little tolerance for failure. Winter maintenance and airfield contracts are measured in response time and availability.
For more brands and equipment models, please visit https://www.baolilaihydraulic.com/brand/
| Application equipment brands | Application equipment No. |
| Aebi Schmidt | 270876-6 |
| Aebi Schmidt | 28051601 |
| Aebi Schmidt | 1182913-1 |
| Aebi Schmidt | 12-97601332 |
Q1: Can I replace an Aebi Schmidt pump with any A10VO of the same size?
A1: No. Size is only one factor. Controller type, rotation, shaft, flange, ports and through-drive must all match, and the setting must suit the machine's circuit.
Q2: Why does my pump make noise when it is cold?
A2: Usually thick fluid or air in the suction line. Warm the system gently and check for leaks on the suction side.
Q3: What is the price and delivery time of the A10VO hydraulic pump for the Aebi Schmidt Engineering Equipment?
A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.
Q4: How to purchase an A10VO hydraulic pump for the Aebi Schmidt Engineering Equipment?
A4: Visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.
