RK1828HN-SX LH Triplex Pump | 4.8 GPM 4000 PSI

Overview

4.75 GPM, 4,000 PSI left-hand triplex pump

• The Annovi Reverberi RK1828HN-SX Triplex Pump is engineered for demanding
  high-pressure cleaning applications where superior performance and reliability are required.
• Delivers 4.75 GPM at 4,000 PSI, providing consistent, powerful cleaning across
  a wide range of surfaces from concrete pads to heavy machinery.
• Uses a left-hand (SX) crankshaft configuration for seamless integration into
  systems that require this specific orientation.
• Built with durable materials and precision engineering to offer long-lasting performance,
  low maintenance, and industry-leading cleaning efficiency.

Key Specifications of RK1828HN-SX

Duty point, configuration, and warranty

• Flow Rate: 4.75 GPM
• Maximum Pressure: 4,000 PSI
• Operating Speed: 1,450 RPM
• Configuration: Left-hand (SX) crankshaft
• Pump Type: Triplex ceramic plunger pump
• ECU Rating: 19,000 Effective Cleaning Units
• Warranty: 5-year manufacturer coverage

What’s Included with RK1828HN-SX

Factory-prepared pump package

• Pre-filled with break-in oil so the pump is ready for immediate installation
  and startup.
• Vented dipstick for convenient oil level checks and proper crankcase
  ventilation.
• Oil sight glass for quick visual monitoring of crankcase oil level and
  condition.
• Comprehensive operator’s manual and parts schematic for installation,
  maintenance, and ordering replacement components.
• 5-year manufacturer warranty plus access to nationwide service centers for
  technical support and replacement parts.

Pump Architecture

Triplex plungers with left-hand drive

• Utilizes a triplex plunger design with three precision-engineered ceramic
  plungers that generate smooth, high-pressure flow with minimal pulsation.
• Brass manifold delivers excellent corrosion resistance in tough industrial and
  commercial environments.
• Stainless steel valves and ceramic plungers provide reliable,
  long-lasting operation under continuous high-pressure use.
• Left-hand crankshaft configuration allows secure coupling to compatible
  pressure washer systems that require reversed orientation.
• Low 1,450 RPM speed balances power and efficiency while minimizing internal
  wear, vibration, and heat buildup.

Benefits of RK1828HN-SX

Performance, durability, and serviceability

• High-performance cleaning: 4,000 PSI at 4.75 GPM removes stubborn dirt,
  grease, and grime from heavy-duty surfaces and equipment.
• Durable construction: Brass manifold, stainless steel valves, and ceramic
  plungers are selected for long service life in harsh environments.
• Specialized configuration: Left-hand (SX) design integrates with builds that
  require reversed crankshaft rotation or layout.
• High ECU rating: 19,000 ECU delivers exceptional cleaning efficiency for
  industrial-grade tasks and large surface areas.
• Low-RPM operation: 1,450 RPM reduces wear on bearings, seals, and plungers,
  extending pump life and lowering maintenance costs.
• User-friendly maintenance: Vented dipstick and oil sight glass simplify daily
  service checks and help minimize downtime.
• Warranty assurance: Backed by a 5-year manufacturer warranty and nationwide
  service support for long-term confidence.

Typical Use Cases

Industrial, commercial, and contractor applications

• Industrial cleaning: Ideal for machinery, production equipment, and workshop
  maintenance where high pressure is critical.
• Concrete and surface preparation: Removes dirt, coatings, and contaminants from
  driveways, sidewalks, floors, and structural concrete.
• Paint stripping and prep: Provides the pressure needed for preparing metal,
  concrete, and masonry surfaces for repainting or coating.
• Fleet and vehicle washing: Cleans trucks, trailers, construction equipment, and
  agricultural machinery efficiently.
• Professional contractor use: Built for commercial cleaning companies and
  service contractors that require reliable, long-lasting equipment.

Why Choose the RK1828HN-SX

High-ECU left-hand workhorse for demanding pros

• Combines 4.75 GPM flow, 4,000 PSI pressure, and a 19,000 ECU rating to handle
  industrial-grade cleaning and surface prep with ease.
• Left-hand crankshaft layout offers compatibility with specialized systems
  where standard right-hand pumps will not fit.
• Slow-speed 1,450 RPM operation maximizes longevity and reduces internal stress
  while still delivering high cleaning power.
• Comprehensive warranty and support provide peace of mind for years of heavy-duty
  use in demanding environments.
• A smart upgrade for professionals seeking professional-grade power, long-term
  reliability, and superior high-pressure cleaning performance in a left-hand triplex
  pump.