CAT 56 Pump, 5.5 GPM, 3500 PSI Pressure Washer Pump

Order Information

Item#: 1935
Availability: Usually ships the same business day
Sale Price:  $1,581.68 $0.00
Product Detail

Superior Design

  • Triplex plunger pump design gives smoother liquid flow
  • V-packings are completely lubricated and cooled by the liquid being pumped
  • Inlet and discharge valve assemblies interchange for easier maintenance
  • Lubricated lo pressure seals provide double protection against external leakage
  • Oil bath crankcase assures optimum lubrication
  • Close tolerance concentricity of the ceramic plunger maximizes seal life
  • Quality materials
  • Precision design 304 Stainless Steel valves and seats are hardened and polished for ultimate seating and extended valve life
  • Forged brass manifold is strong and corrosion resistant
  • Special concentric, high density, polished, graphite impregnated, solid ceramic plungers are abrasion resistant and result in extended seal life
  • Specially formulated CAT PUMP exclusive, v-packings offers unmatched performance and seal life
  • Die cast aluminum crankcase provides high strength, minimum weight and precision tolerance control
  • Chrome moly crankshaft gives unmatched strength and surface hardness
  • crankshaft bearings with greater loading capacity mean longer bearing life
  • Easy Maintenance:
  • Wet end is easily serviced without entering crankcase, requiring less time and effort
  • Valve assemblies are accessible without disturbing piping for quick service
  • Preset packings mean no packing gland adjustment is necessary, reducing maintenance costs


  • Maximum volume: 5.5 GPM
  • Maximum discharge pressure: 3500 PSI
  • Maximum pump speed: 1210 RPM
  • Bore: 18mm
  • Stroke: 24mm
  • Shaft diameter: 24mm
  • Maximum fluid temperature: 160 F
  • Inlet port threads: 1/2" FPT
  • Discharge port threads: 3/8" FPT
  • Weight: 30 lbs