The Modern Group
The Modern Group
Putting Customers First and Striving for Service Excellence Since 1963

660 HP Mud Pump

The Dragon-660 Triplex Reciprocating Pump is a unitized pump system designed for continuous operation at full load within its speed range. This system will obtain 660 HP in a standard long-life package while incorporating innovative technology and materials to achieve the lightest weight possible. The Dragon-660 design achieves the distinction of fulfilling the design parameters at an average weight of 40% less than equivalent pumps. In addition, the expendables are widely available through your preferred local sources.

  • Fabricated Frame
  • Anti-Friction Roller Bearings Throughout
  • Forged Steel Fluid End Modules Single Piece
  • Forged Steel Heat Treated Gear and Pinion
  • API Standard Expendables
  • Forged Steel Crankshaft
  • Failure Proof Power End Lubrication
  • Metal-to-Metal Liner Lock
  • High Capacity Liner Wash System
  • Low Profile
  • Input Horsepower Rating ...660
  • Pump Speed Rating ...147
  • Stroke Length ...8-1/2
  • Maximum Liner and Piston Size ...7"
  • Fluid End Working Pressure ...5000 PSI
  • Discharge Connection Size ...5"-5000 PSI Weld Flange
  • Suction Manifold Working Pressure ...75 PSI
  • Suction Connection Size ...8"
  • Accessory Connection Size ...2" PT
  • Valve Size ...API-5
  • Piston Rod End ...SA-4"
  • Crankshaft Oil Capacity ...55 Gallon
  • Gear Ratio ...5.05-1
Package Dimensions:
  • Length ... 24'-1"
  • Width ... 11'-2"
  • Height ... 8'-7"
  • Weight ... 55,000 lbs.