Ariens Original Part
Hydro Pump Pj-Series 12 cc (Fan)
Hydro Gear PK-3HCC-GE1X-XXXX
Used on Ariens and Gravely mowers:
991042

Displacement: 0.73 in3 /rev [12 cc/rev]
System Operating Pressure:
Continuous: 1500 psi (103 bar)
Intermittent: 2100 psi (145 bar)
Peak: 3500 psi (240 bar)

Pump Performance
@ 2400 RPM/1000 PSI = 7.1 gpm [26.8 l/min]
@ 3000 RPM/1000 PSI = 8.9 gpm [33.6 l/min
@ 3600 RPM/1000 PSI = 10.8 gpm [40.8 l/min]