1) either shaft rotation 2) 1" diameter keyed shaft 3) 49 gpm flow at 1800 rpm 4) max. Rpm 2400 5) pre-mounted shift cylinder We can also the following model products according to parker/commercial: p15, p20, p21, p25x, p30, p31, p37x, p50, p51, p75, p76, pgp30, pgp31, pgp50, pgp51, pgp75, pgp76, p315, p330, p350, p360, etc.