Model : Reserv Cap in Ltr. Max Pump Rotation Ratio Drive VTX:510:HD/12-9 8.5 9 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/12-10 8.5 10 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/8-8 6.0 8 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/8-7 6.0 7 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/6-4 4.8 4 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/6-5 4.8 5 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/6-6 4.8 6 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/3-3 3 3 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/3-2 3 2 Clock/ anticlock 60:1 Machine & Motor VTX:510:HD/3-1 3 1 Clock/ anticlock 60:1 Machine & Motor