EZ4035E34 Triplex Pressure Washer Pump – 3.5 GPM @ 4000 PSI, 3400 RPM, 1-1/8″ Hollow Shaft

Part Number: EZ4035E34
Category: Pressure Washer Pumps
Type: Direct-Drive Triplex Pump – EZ4035E34, 3.5 GPM @ 4000 PSI (3400 RPM, 1-1/8″ Hollow Shaft, NEMA 184TC)

The EZ4035E34 Triplex Pressure Washer Pump from General Pump’s EZ 44 Series is a high-pressure, electric-duty direct-drive pump engineered for professional cleaning systems that demand maximum pressure with dependable flow and long-term durability. Rated for 3.5 GPM at up to 4000 PSI and designed to operate at 3400 RPM, this pump delivers exceptional cutting power for heavy-duty washing, surface prep, and industrial cleaning applications. Built with solid ceramic plungers, a forged brass manifold with lifetime warranty, and a 1-1/8″ hollow shaft flanged for NEMA 184TC motors, the EZ4035E34 provides smooth triplex performance, superior wear resistance, and reliable high-pressure output in demanding environments.

Product Specifications

Pump Model: EZ4035E34
Pump Type: Triplex Plunger, Direct Drive
Flow Rate: 3.5 GPM
Max Pressure: 4000 PSI
Rated Speed: 3400 RPM
Shaft Size: 1-1/8″ Hollow (1.125″)
Bore: .512″ (13 mm)
Stroke: .433″ (11 mm)
Required Power: 9.6 EBHP
Shipping Weight: 18.5 lbs
Mounting: NEMA 184TC Flange
Condition: New

Hollow Shaft – General Pump EZ 44 Series Specs

Max Inlet Pressure: 125 PSI
Max Fluid Temperature: 165°F
Inlet Port Thread: 1/2″ – 14 BSP-F
Discharge Port Thread: 3/8″ – 19 BSP-F
Pump Dimensions: 8.8″ x 8.8″ x 6.3″
Crankcase Oil Capacity: 14.0 oz (use GP Series 100 Oil)

Features & Benefits

• Triplex plunger design for smooth, low-pulsation operation

• Solid ceramic plungers for extended wear life

• Forged brass manifold with exclusive lifetime warranty

• Die-cast, anodized aluminum oil-bath crankcase

• Unitized stainless steel inlet and discharge valves

• Optimized for 3400 RPM electric-drive systems

• High 4000 PSI output for heavy-duty cleaning power

• More durable and serviceable than axial-style pumps

Applications

• Electric pressure washers

• Industrial and commercial cleaning systems

• Surface preparation and heavy-duty washing

• OEM replacement for General Pump EZ 44 Series units

• Equipment repair and refurbishment

Important Notes

• Verify shaft size (1-1/8″ hollow), mounting flange (NEMA 184TC), and motor compatibility before ordering

• Designed for direct-drive electric motor configurations

• Fill crankcase with the specified oil before operation and maintain per manufacturer guidelines

• Final operating PSI and GPM depend on motor output and overall system setup