Life Hack Alm1a-r-9-s1-e2 : Marzocchi Gear Motor, Bidirectional, 6.2cc, 3335psi Rated, 3000rpm, 0.625 (5/8") #10 Sae Ports, 9t 20/40dp Splined Shaft ~ Selling Fast [51bthWse]

Marzocchi Gear Motors may be unidirectional or bidirectional and manufactured in three different size groups. A very good power to weight ratio and power to size ratio allows for a wide range of displacements within each group (between 2.8 and 87cc per revolution. The drain is always external and it is through a thread port on the cover.