The HDU 27/27 P - EM is a mobile version of the HDU 27/-series:
The HDU 27/-series consists of offline filter units with pump capacities from 1.5 to 25 litres/minute for medium to large fluid systems within land based and offshore industries: hydraulic systems, lubrication systems, marine diesel engines etc. Supplied in a range of design configurations including mobile units, with or without a drain tank, and with electronic control and monitoring.