Designed to carry upto 7 sieves of 8" dia if it driven by 14 H.P. electric motor. through reduction gear. The sieve table does not rotate but is inclinde from the vertical axis the direction. In addition to the Gyratory motion of the table there is an upward and downward movement ensuring that each square inch of the sieve is utilised. The whole gear mechanism runs is an oil bath. To work on 220230 volts single phase A.C. supplied complete with adaptor for 8" sieves but without test sieves.