CAT Pumps 651 with 15 frame plunger pump

CAT Pumps 651 Pump
BrandCAT Pumps
Model Code 651
Model Info


  • Triplex plunger design
  • V-Packings are completely lubricated
  • Lubricated low-pressure seals
  • Oil bath crankcase
  • Close tolerance concentricity of the ceramic plunger
  • Bronze or duplex stainless steel manifolds
  • Die cast aluminum crankcase
  • Chrome-moly crankshaft
  • Oversized crankshaft bearings


  • Flow: 7.0 GPM
  • Pressure range: 100 to 3000 PSI
  • RPM: 1000 RPM
  • Inlet pressure range: –5 to +60 PSI
  • Bore: 0.787"
  • Stroke: 1.181"
  • Crankcase capacity: 42 oz.
  • Maximum liquid temperature: 160°F
  • Inlet ports (2): 3/4" NPTF
  • Discharge ports (2): 1/2" NPTF
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