Hydraulic brake for OMP/OMR motors as a multi-wet-disc brake with an SAE A flange, suitable for standalone use or coupled with an SAE A flange motor input. With five holding torque options up to 620 Nm (5500 lb-in), the brake provides flexibility for various machine applications. Internal components are immersed in a fluid and environmentally sealed to prevent contamination and corrosion, ensuring consistent holding capacity.