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Arimitsu 511R Triplex Plunger Pump -1500 PSI, 6.5 GPM, 1000 RPM, Right

Mfr. Model #:
511R / A8013
KR Part #:
21.00 lbs
Usually Ships in 4 Weeks
Now Only!
Balanced flow crankcase ensures quiet operation. Triplex design delivers smooth liquid flow. Low drag seals extend pump life and provide improved suction.

Technical Specifications

RPM: 1000
Max GPM: 6.5
Max PSI: 1500
Max Temperature: 175 degrees F
Shaft Diameter: 22 millimeter
Inlet Port: 3/4 inch
Crankcase Capacity: 19 ounce

Product Description

Triplex Pump - Right

Arimitsu 511R triplex plunger pumps features oversized crankshaft bearings extend the pumps life and enables quiet operation. Precision machining and balanced flow crankcase design assists the pumps systems in quiet operation. Smooth liquid flow is facilitated by triplex pumps inside the 511R. The pump is liquid cooled and features low drag seals to provide long life, improved suction enabling this pump to run dry longer and operate at a higher efficiency. Maintenance and repairs require no special tools making these tasks much less cumbersome. 


  • Flow 6.5 GPM
  • Pressure 1500 PSI
  • RPM 1000
  • Inlet Pressure -5 to 70 PSI
  • Inlet 3/4"
  • Outlet 1/2" & 3/8"
  • Oil requirement 19 oz.
  • Shaft Dia. .866"
  • Max Liquid Temp. 175°F
  • Shaft Location L or R
  • Weight 21 lbs.


  • Unique mounting technology increases life and decreases noise (pat. pending)
  • Triplex pumps provide smooth liquid flow
  • Liquid cooled, low drag seals provide long life, improved suction, higher efficiency and longer dry running without damage
  • Balanced flow crankcase design and precision machining ensures uniform lubrication and quiet operation
  • Manifold is designed and machined to guarantee superior fluid flow
  • Zero-clearance exclusionary seals protect crankcase
  • 100% stainless steel valve assemblies deliver greater temperature and chemical handling abilities
  • Precision ground ceramic plungers utilize a proprietary material blend for long life and increased thermal shock resistance
  • Forged brass manifolds offer strength and corrosion resistance
  • Proprietary, proven seal blend maximizes life and increases maintenance intervals
  • Oversized crankshaft bearings for long life and quiet operation
  • No special tools required for repair or maintenance
  • Fluid end is easily serviced without entering crankcase
  • Easy access seal case and valve assemblies
  • Seals require no adjustment

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