Rexroth A2F & A2FO Series Concrete Pump | A2FO12, A2FM56 | Hydraulic Piston Pump & Motor
| Model Number | A2F28W3Z1, A2F012-61R, A2FO12/61L-NZB06, A2FM56/61W-VPB040 |
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Product Description
Rexroth A2F/A2FO/A2FM Series Hydraulic Piston Pump & Motor for Concrete Machinery
Product Overview: The Rexroth A2F series and its variants (A2FO Fixed Pump / A2FM Fixed Motor) are the power benchmarks for the construction and concrete machinery industries. Featuring a classic Bent-Axis design, this series delivers exceptional volumetric efficiency within a compact frame. From the A2FO12 used in concrete pump cleaning systems to the A2FM56 driving mixing functions, these units maintain superior contamination resistance and long-term durability in high-pressure environments.
Key Technical Advantages:
Efficient Bent-Axis Technology: The 40° bent-axis rotary group design provides outstanding self-priming capabilities and high power density—ideal for space-constrained concrete pump truck chassis and superstructures.
Extreme Environmental Adaptability: Optimized for the dusty, heavy-load conditions of construction sites. Reinforced bearing structures withstand frequent start-stops and load fluctuations.
Versatile Functionality: Covering models like the A2F28W3Z1 (Universal) and A2FM56/61W-VPB040 (Fixed Motor), these units precisely match the power requirements for concrete mixing, hydraulic outriggers, and placing boom rotation.
Flexible Rotation & Interfaces: Available in models like the A2FO12/61L-NZB06 (CCW) and A2F012-61R (CW). Paired with standard NZB or VPB shaft configurations, they ensure a perfect match with global machinery interfaces.
Specific Models & Technical Parameters: This range features core configurations: A2F28W3Z1, A2F012-61R, A2FO12/61L-NZB06, and A2FM56/61W-VPB040. Key specifications: Displacements from 12 cm³/rev up to 56 cm³/rev; rated operating pressure up to 350 Bar (35 MPa); peak pressure of 400 Bar; complies with Series 61 technical standards; features standard splined shafts and mounting flanges.



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