Rexroth ALA20VO hydraulic pump for Liebherr 9250 excavator 11005115 11005119 11347382 11347379A 11485276A 10113397 592236414

The Rexroth ALA20VO series axial piston variable displacement pump is a critical hydraulic component specifically engineered for heavy-duty off-highway machinery like the Liebherr 9250 excavator. This pump is designed to deliver the immense, reliable hydraulic power required for the machine's digging, lifting, and swing functions.

As a swashplate design axial piston pump, it converts the engine's mechanical power into high-pressure hydraulic flow. Its key feature is variable displacement, allowing it to automatically adjust the volume of oil delivered per revolution. This is controlled via a sophisticated hydraulic servo system that tilts the swashplate angle in response to system pressure signals. This provides excellent load-sensing capability, matching output flow and pressure precisely to the excavator's immediate demands, thereby enhancing efficiency and reducing fuel consumption.

The pump is built for extreme durability, with a robust housing, hardened pistons and cylinder block, and high-quality bearings to withstand the continuous high-pressure operation, shock loads, and contamination challenges of a mining excavator environment. In the Liebherr 9250, it typically works in a multi-pump configuration, often paired with another ALA20VO or a gear pump, to supply separate circuits for the implements, travel, and swing functions. Its compact design, high power density, and proven reliability make it a core component in ensuring the productivity and uptime of this large-scale mining machine.

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Q1: What is the primary function of the Rexroth ALA20VO pump in a Liebherr 9250 excavator?

A1: Its primary function is to convert the engine's mechanical power into high-pressure hydraulic flow. This provides the immense and reliable power required for the excavator's core operations, such as digging, lifting, and swinging.

Q2: In what configuration is the ALA20VO pump typically used on the Liebherr 9250?

A2: It is typically used in a multi-pump configuration. Often, one ALA20VO axial piston pump is paired with another identical unit or a gear pump to create separate hydraulic circuits that independently supply the implements, travel motors, and swing system.

Q3:What is the price and delivery time of the Rexroth ALA20VO pump for Liebherr excavator？

A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.

Q4:How to purchase a Liebherr excavator hydraulic pump?

A4:You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.