Udor AD 4.0/30 U Plunger Pump Direct Drive W/ 1-1/8 Hollow Shaft, 4 GPM, 2900 PSI

Udor AD 4.0/30 U Plunger Pump Direct Drive W/ 1-1/8 Hollow Shaft, 4 GPM, 2900 PSI

The Udor AD 4.0/30 U Plunger Pump is a robust, direct drive unit designed for electric motor applications requiring high performance and reliability. Featuring a 1-1/8 in. hollow shaft with NEMA 182/184 TC mounting flange, this pump delivers a flow rate of 4.0 GPM at a maximum pressure of 2900 PSI. Operating at 1750 RPM, it is ideal for pressure cleaning, sewer jetting, vehicle washing, and firefighting systems. Built with a brass manifold, solid ceramic plungers, stainless steel check valves, and heat-treated crankshaft, the pump offers superior durability and corrosion resistance. The vented oil bath crankcase and industrial-grade bearings ensure long service life and smooth operation. The AD Series is engineered for consistent performance in demanding environments.

Industries: Pressure Washing, Truck Wash, Car Wash, Food Processing, In Plant Cleaning Systems, Graffiti Removal, Fire Fighting, Sewer Jetting, Hydro Excavating, Reverse Osmosis, Desalination Process, De-Mucking, Misting/Fogging/Cooling, Air Conditioning Cleaning, Ground and Sod Aeration, Machine Tool Coolant, Tree Debarking, Directional Boring and Drilling, Hydrostatic Testing, Soft Wash

Features

• Durable Construction: Brass manifold, ceramic plungers, and stainless steel components for extended longevity
• Efficient Performance: Provides 4.0 GPM at 2900 PSI for powerful and consistent output
• Engineered Components: Heat-treated crankshaft, aluminum alloy connecting rods, and industrial-grade bearings
• Electric Motor Compatibility: NEMA 182/184 TC flange with 1-1/8 in. hollow shaft for direct drive integration
• Reliable Sealing: Heavy-duty flat base high-pressure seals and 11.5 oz vented oil bath crankcase
• Versatile Applications: Suitable for pressure cleaning, vehicle washing, sewer jetting, and fire suppression

Specifications

• Crankshaft Stroke/Code: 12.5mm / Code S
• Flow Rate: 4.0 GPM
• Inlet/Outlet Ports: 1/2 in. BSP-F Inlet, 3/8 in. BSP-F Outlet
• Lubrication: 11.5 oz Udor Lube
• Max Fluid Temperature: 160°F
• Model: AD 4.0/30 U
• Plunger Diameter: 18mm
• Power Requirement: 8.0 HP Electric
• Pressure: 2900 PSI / 200 Bar
• Pump Speed: 1750 RPM
• Seal Kit: 6061.B2
• Series: AD-U
• Shaft: 1-1/8 in. Hollow Shaft with NEMA 182/184 TC Mounting Flange
• Valve Kit: 6061.02

Downloads

Specification Sheet (PDF Download)