Axial piston variable pump A4VG. Geometric displacement 28 cm³. Pressure cut-off. Series 3, index 2. Direction of rotation (viewed on drive shaft): clockwise. Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer). Splined shaft DIN 5480 for single pump. Mounting flange SAE J744 2-hole. SAE working port A and B, same side right. Suction port S bottom. Integrated boost pump. Flange SAE J744 82-2 (A), hub for splined shaft 5/8 in 9T 16/32DP. High-pressure relief valve, direct operated, fixed setting 250 to 420 bar without bypass. Filtration in the boost pump pressure line. Ports for external boost circuit filtration (F_e and F_a).

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