There are 4 types of speed reducers and 3 types of Worm Gearbox And Helical Reducers For The Biomass Boiler Sector motors obtainable in this range, almost all varying in performance and dimensions.
Four sizes of CHPC pre-stage gears are available to pair with the gears; they are also constructed in aluminium and are painted just like the worm gears
Gears that are supplied with mounting flanges should be assembled with motors whose shaft and flange tolerances match a “normal course” of quality to avoid vibration and forcing of the insight bearing. 
SPECIFICATION:
Including 6 types gear unit,Customer can choose
them based on the request.