Variable Volume

GV3-120 Operates as three independently controlled 10.5 GPM (40 liter) modules for three turrets or as a single 32 GPM (180 liter) unit

WV3-180    Operates as three independently  controlled 16 GPM (60 liter)  modules  for three turrets or as a  single 48 GPM (180 liter) unit

Fixed Volume

J3-90 Operates as three independently controlled  8 GPM  (30 liter) modules for three turrets or as a single 24 GPM (90 liter) unit Integral 100 Gallon (380L) reservoir