General Pump EZ4040G34 – 4.0 GPM @ 4,000 PSI Triplex Plunger Pump

$305.49

The General Pump EZ4040G34 is a high-performance triplex plunger pump from the EZ Series 44 line, designed for engine-driven pressure washer systems that require maximum flow with consistent high pressure. Delivering 4.0 GPM at 4,000 PSI, this pump is ideal for commercial and industrial cleaning applications where both efficiency and power are essential. Its compact, lightweight design makes it suitable for gasoline engine-driven setups with a 1-inch hollow shaft.

Specifications

  • Maximum Flow: 4.0 GPM @ 4,000 PSI

  • Maximum Pressure: 4,000 PSI

  • Maximum Pump Speed / RPM: 3,400 RPM

  • Horsepower Required: Up to 13 HP engine

  • Bore / Stroke: 0.512 in / 0.433 in (13 mm / 11 mm)

  • Shaft Type: 1-inch hollow shaft, flanged for SAE J609 engine mounts

  • Crankcase / Oil Capacity: 14 oz anodized aluminum, oil-bath lubrication

  • Inlet / Outlet Ports: 1/2-14 BSPP-F / 3/8-19 BSPP-F

  • Weight: ~20 lbs

  • Maximum Fluid Temperature: 165 °F

Features

  • Durable forged brass manifold for high-pressure performance

  • Stainless steel valves for long-lasting, reliable operation

  • Anodized aluminum crankcase with oil-bath lubrication for consistent performance

  • Compact, lightweight design for easy integration into engine-driven systems

  • Professional-grade performance with high flow for faster cleaning

  • Ideal for commercial and industrial applications where efficiency matters

Applications
The EZ4040G34 is perfect for:

  • Fleet and heavy equipment washing

  • Commercial surface cleaning such as concrete, walls, and decks

  • Mobile or rental pressure washer units

  • Engine-driven systems requiring a 1-inch hollow shaft with maximum flow

Note: The pump’s appearance may vary slightly depending on manufacturing batch, but all EZ4040G34 units maintain the same high-performance specifications and are fully compatible with systems designed for the EZ Series.

The General Pump EZ4040G34 is a high-performance triplex plunger pump from the EZ Series 44 line, designed for engine-driven pressure washer systems that require maximum flow with consistent high pressure. Delivering 4.0 GPM at 4,000 PSI, this pump is ideal for commercial and industrial cleaning applications where both efficiency and power are essential. Its compact, lightweight design makes it suitable for gasoline engine-driven setups with a 1-inch hollow shaft.

Specifications

  • Maximum Flow: 4.0 GPM @ 4,000 PSI

  • Maximum Pressure: 4,000 PSI

  • Maximum Pump Speed / RPM: 3,400 RPM

  • Horsepower Required: Up to 13 HP engine

  • Bore / Stroke: 0.512 in / 0.433 in (13 mm / 11 mm)

  • Shaft Type: 1-inch hollow shaft, flanged for SAE J609 engine mounts

  • Crankcase / Oil Capacity: 14 oz anodized aluminum, oil-bath lubrication

  • Inlet / Outlet Ports: 1/2-14 BSPP-F / 3/8-19 BSPP-F

  • Weight: ~20 lbs

  • Maximum Fluid Temperature: 165 °F

Features

  • Durable forged brass manifold for high-pressure performance

  • Stainless steel valves for long-lasting, reliable operation

  • Anodized aluminum crankcase with oil-bath lubrication for consistent performance

  • Compact, lightweight design for easy integration into engine-driven systems

  • Professional-grade performance with high flow for faster cleaning

  • Ideal for commercial and industrial applications where efficiency matters

Applications
The EZ4040G34 is perfect for:

  • Fleet and heavy equipment washing

  • Commercial surface cleaning such as concrete, walls, and decks

  • Mobile or rental pressure washer units

  • Engine-driven systems requiring a 1-inch hollow shaft with maximum flow

Note: The pump’s appearance may vary slightly depending on manufacturing batch, but all EZ4040G34 units maintain the same high-performance specifications and are fully compatible with systems designed for the EZ Series.