New Convair dust blower power pack. Built August 2021, this unit is powered by a Deutz BF4L2011 Diesel engine and CVS 1100 Siloking screw pulling air through a Donaldson Powercore air box. Kensho Engine controller is a K21 unit coupled to a battery isolator and e-stop switching. Complete unit is mounted on an Australian made tandem axle trailer (50mm tow ball) with full (lockable) security cage and rain fast roof and spare tyre.