Staffa HMB radial piston motor 1. Single and low speed, high ... .HMB125,HMB200,HMB270,HMB325,HMB400 hydraulic radial piston motor1. Single and low speed, high torque hydraulic motor2. Completely interchangeable with original3 ... due to the hydrostatic balance built between the piston, con-rod and eccentric sets which reduces the ... of HMB080.HMB125,HMB200,HMB270,HMB325,HMB400 hydraulic radial piston motor