Rexroth ALA10VO axial piston hydraulic pump for Putzmeister Equipment 069144004 226985006 255200008 265478008 293457000 67370003

If you operate, maintain, or specify concrete pumping equipment, you've almost certainly crossed paths with the Bosch Rexroth ALA10VO axial piston pump. It sits at the heart of the hydraulic circuit on a huge share of Putzmeister truck-mounted and stationary concrete pumps, quietly doing the hard work of turning diesel or electric motor power into the high-pressure oil flow that drives the pumping cylinders. Ask any field mechanic which component they check first when a Putzmeister unit loses pumping power, and there's a good chance they'll point straight at this pump.

What Is the Rexroth ALA10VO Pump?

The ALA10VO is a variable-displacement axial piston pump built on a swashplate design, manufactured by Bosch Rexroth, one of the most established names in industrial hydraulics. "Axial piston" describes the internal architecture: a cylinder block houses a set of pistons arranged parallel to the drive shaft, and as the block rotates against an angled swashplate, the pistons move in and out of their bores, drawing in and expelling hydraulic fluid.

Two features make the ALA10VO especially well-suited to concrete pumping applications:

Variable displacement — the swashplate angle can change, which changes how much fluid the pump delivers per revolution, even while engine or motor speed stays constant.

Pressure and flow control options — depending on the control variant ordered (DR, DFR, DRG, LA1, and others), the pump can regulate output based on load pressure, power limitation, or an external electrical signal.

In a Putzmeister machine, this flexibility means the pump can deliver high flow during fast pumping strokes and back off automatically as system pressure climbs, protecting the rest of the circuit from overload.

Why Putzmeister Uses the ALA10VO Specifically

Concrete pumping is a demanding hydraulic application. The main pumping cylinders must reverse direction dozens of times a minute, pressure spikes are constant, and the fluid often runs hot and contaminated compared to cleaner industrial settings. A few reasons the ALA10VO has become a standard fit for this environment:

High pressure tolerance. Concrete pumps regularly work at pressures in the 300–350 bar range, and the ALA10VO's piston design handles this far better than gear or vane pumps.

Load-sensing compatibility. Putzmeister's hydraulic circuits often use load-sensing (LS) control, and Rexroth's LS variants of the ALA10VO integrate directly with that architecture.

Compact, robust packaging. Truck-mounted pumps have limited chassis space; the ALA10VO's frame sizes (commonly 28, 45, 63, 71, 85, and 100 cc/rev in this application) pack significant flow into a manageable footprint.

Serviceability and parts availability. Because Rexroth components are used so widely across construction machinery, seal kits, control valves, and swashplate assemblies are easier to source than pump-specific proprietary parts.

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Q1: How do I determine the correct size ALA10VO for my Putzmeister pump?

A1: Check the nameplate on the existing pump for the full Rexroth type code, or reference your machine's parts manual by chassis/serial number. Displacement size (in cc/rev) and control type must match for correct boom and pumping performance.

Q2: How long does an ALA10VO pump typically last on a concrete pump?

A2: Service life varies widely depending on fluid cleanliness, duty cycle, and maintenance quality. However, well-maintained units on properly filtered systems typically run for several thousand operating hours before requiring a rebuild. Poor fluid maintenance can cut that dramatically.

Q3:What is the price and delivery time of the ALA10VO hydraulic pump for the Putzmeister 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 ALA10VO hydraulic pump for the Putzmeister Equipment?

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