Rexroth A10VSO88 Series 31 Axial Piston Pump
Hydraulic System Component for High Load Operation
In most real hydraulic systems, A10VSO88 is not selected for single-purpose operation. It usually appears in equipment where several hydraulic functions are running at the same time, and the system cannot afford pressure drop during load switching.
Displacement is 88 cc/rev. In practical use, this level of output is typically matched with systems that already operate beyond medium load range. Rated pressure is around 280 bar, with peak conditions reaching up to 350 bar depending on system configuration.
What matters more in field use is not the number itself, but how the pump behaves when multiple hydraulic cylinders are triggered at the same time. In such cases, A10VSO88 tends to keep flow distribution more consistent compared to smaller displacement units.
You will usually find this model in construction machinery that works for long shifts. For example, in road equipment or loaders, hydraulic actions are rarely isolated - lifting, steering, and working mechanisms often overlap during operation.
Common installations include road rollers, wheel loaders, and medium-to-heavy duty construction machines where hydraulic systems are shared across multiple functions.
Field observation
In system tuning stages, engineers often prefer this displacement level because it leaves enough buffer when load conditions are not fully predictable.
FAQ
Is A10VSO88 only used in heavy machinery?
Not strictly. It is more about system demand than machine category. It appears in both heavy and medium-heavy systems depending on configuration.
Why not use a smaller pump in the same system?
Smaller units may struggle when multiple hydraulic functions run simultaneously, especially under peak load transitions.
Does it require special control setup?
It depends on system design, but most installations pair it with standard hydraulic control configurations.
Where does it usually perform best?
In long-duration equipment with overlapping hydraulic actions rather than single-cycle machines.
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