Graco Inc.
  • Clean, quiet and efficient hydraulic power
  • Up to five times more energy efficient than comparable compressed air systems
  • Extremely durable pump with long-life packing design
  • No icing, quiet, motor technology
  • New enclosed wet cup and spring packing technology for simple service and longer life
Model (Output Per Cycle)?
Pump Construction?
Fittings / Rod and Cylinder?

*Graco recommends 20 cpm or less for intermittent
pumping applications and 12 cpm or less
for continuous pumping applications

Graco Part Number:
Pump Manual:
Lower Manual:
Motor Manual:

Graco Viscount I 167 Hydraulic 4-Ball Pump

2000cc Output per Cycle

Max Working Pressure: 167 psi / 12 bar
Max Hydraulic Input Pressure: 1500 psi / 103 bar
Oil Flow at 60 CPM: 3.5 gpm / 13.2 lpm
Output at 60 CPM: 31.5 gpm / 119.3 lpm
Hydraulic Fluid Inlet: 3/4 in (37° flare)
Hydraulic Fluid Outlet: 7/8 in (37° flare)
Pump Inlet Size: 1-1/2
Pump Outlet Size: 1

Graco Viscount I 225 Hydraulic 4-Ball Pump

1500cc Output per Cycle

Max Working Pressure: 225 psi / 16 bar
Max Hydraulic Input Pressure: 1500 psi / 103 bar
Oil Flow at 60 CPM: 3.5 gpm / 13.2 lpm
Output at 60 CPM: 23.2 gpm / 87.9 lpm
Hydraulic Fluid Inlet: 3/4 in (37° flare)
Hydraulic Fluid Outlet: 7/8 in (37° flare)
Pump Inlet Size: 1-1/2
Pump Outlet Size: 1

Graco Viscount II 300 Hydraulic 4-Ball Pump

4000cc Output per Cycle

Max Working Pressure: 300 psi / 21 bar
Max Hydraulic Input Pressure: 1500 psi / 103 bar
Oil Flow at 60 CPM: 12 gpm / 45 lpm
Output at 60 CPM: 63 gpm / 238.6 lpm
Hydraulic Fluid Inlet: 3/4 npt(f)
Hydraulic Fluid Outlet: 1 npt(f)
Pump Inlet Size: 2
Pump Outlet Size: 2

Graco Viscount I 310 Hydraulic 4-Ball Pump

1000cc Output per Cycle

Max Working Pressure: 300 psi / 21 bar
Max Hydraulic Input Pressure: 1500 psi / 103 bar
Oil Flow at 60 CPM: 3.5 gpm / 13.2 lpm
Output at 60 CPM: 16.9 gpm / 64 lpm
Hydraulic Fluid Inlet: 3/4 (37° flare)
Hydraulic Fluid Outlet: 7/8 in (37° flare)
Pump Inlet Size: 1-1/2
Pump Outlet Size: 1

Graco Viscount II 400 Hydraulic 4-Ball Pump

3000cc Output per Cycle

Max Working Pressure: 400 psi / 28 bar
Max Hydraulic Input Pressure: 1200 psi / 83 bar
Oil Flow at 60 CPM: 12 gpm / 45 lpm
Output at 60 CPM: 47.3 gpm / 179 lpm
Hydraulic Fluid Inlet: 3/4 npt(f)
Hydraulic Fluid Outlet: 1 npt(f)
Pump Inlet Size: 2
Pump Outlet Size: 2

Graco Viscount I 450 Hydraulic 4-Ball Pump

750cc Output per Cycle

Max Working Pressure: 450 psi / 31 bar
Max Hydraulic Input Pressure: 1500 psi / 103 bar
Oil Flow at 60 CPM: 3 gpm / 11.3 lpm
Output at 60 CPM: 9.6 gpm / 36.4 lpm
Hydraulic Fluid Inlet: 3/4 (37° flare)
Hydraulic Fluid Outlet: 7/8 in (37° flare)
Pump Inlet Size: 1-1/2
Pump Outlet Size: 1

Graco Viscount II 460 Hydraulic 4-Ball Pump

2000cc Output per Cycle

Max Working Pressure: 460 psi / 28 bar
Max Hydraulic Input Pressure: 1200 psi / 83 bar
Oil Flow at 60 CPM: 12 gpm / 45 lpm
Output at 60 CPM: 31.5 gpm / 119.3 lpm
Hydraulic Fluid Inlet: 3/4 npt(f)
Hydraulic Fluid Outlet: 1 npt(f)
Pump Inlet Size: 2
Pump Outlet Size: 2