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PX400 Submersible Trash Pump

PX400 Submersible Trash Pump

2 Inch Discharge, 115V 1Ø, ½ HP, 72 GPM, 34 ft Total Head

This lightweight, compact submersible trash pump is ideal for moving water with debris (Maximum size - 1" solids). Additionally, with its abrasion resistant resin impeller, and corrosion resistant stainless steel construction, this pump tackles marine and certain chemical applications. Further, the PX400 incorporates internal thermal overload protection, dual shaft seals, sealed ball bearings impeller and molded 19' Power Cable with strain relief.

• .5HP, 115V/6.2A, 1Ø, Electric Motor.
• Built-in Overload Protection.
• 2" (NPT) Female Discharge w/Barb Hose Adapter and hose clamp.
• Total Head: 34 ft.
• MAX Capacity: 72 GPM.
• Pumps Liquid Up To 120° F.
• 304 Stainless Steel Pump Housing Body
• Dewaters Flat Surfaces Up To 1.5" Levels.

Unit Specifications Impeller Type Urethane Resin Impeller Disc Size 2 in 51 mm Total Head 34 ft 10.3 m Water Capacity 72 gpm 273 lpm Max. Solid Intake 1 in 25 mm

Electrical Specifications Power 0.5 HP 0.37 kW Phase Single Voltage 115 V Starting Amperage 37 A Running Amperage 6.2 A Cable Length 19 ft 5.6 m

Dimensions & Weights Pump Diameter 10 in 25.4 mm Overall Height 17 in 432 mm Operating Weight 25 lb 11 kg

Notice: Features and equipment specifications are subject to change without notice.

Multiquip PX400 Submersible Trash Pump – Rugged Performance for Demanding Dewatering

When job sites flood, trenches fill with water, or wastewater systems back up, you need a pump that can handle not only water but also mud, sludge, and debris. That’s where the Multiquip PX400 Submersible Trash Pump comes in. Built for professional use in construction, municipal, and industrial environments, this trash pump is designed to deliver high-capacity water removal with debris-handling capability that standard pumps can’t match.

The PX400 is part of Multiquip’s trusted line of submersible pumps, combining rugged durability, high flow rates, and clog-resistant performance for tough water management tasks.

What Is the Multiquip PX400 Submersible Trash Pump?

The Multiquip PX400 Submersible Trash Pump is a heavy-duty, electric-powered trash pump engineered to handle water containing sand, silt, and solids. Unlike standard centrifugal pumps, the PX400 is specifically designed with a trash-handling impeller that can pass solids up to 1 inch (25 mm) in diameter without clogging.

This makes it the ideal choice for jobs where water is mixed with mud, debris, or organic materials, such as construction sites, sewer systems, storm drains, and flood cleanup operations.

Key Features of the Multiquip PX400

The PX400 Pump offers durability, efficiency, and professional-grade performance:

1. Powerful Motor

• Equipped with a 2-horsepower electric motor.
• Runs on 115V single-phase power for convenience.
• Features thermal overload protection to prevent overheating.

2. Trash Pump Design

• Built with a semi-open impeller that allows for solids handling.
• Can pass solids up to 1 inch (25 mm).
• Reduces downtime by preventing frequent clogs.

3. High Pumping Capacity

• Maximum flow rate of 160 gallons per minute (GPM).
• Maximum head lift of 40 feet (12 meters).
• Strong enough for most construction and municipal applications.

4. Durable Construction

• Cast iron housing provides rugged durability.
• Stainless steel motor casing resists corrosion in wet environments.
• Double mechanical seals in an oil bath extend service life.

5. Portable and Versatile

• Weight: ~64 lbs (29 kg).
• Compact enough to fit into manholes, trenches, and utility vaults.
• Easy to transport between job sites.

6. Built-In Safety Features

• Thermal overload switch protects the motor.
• Waterproof construction ensures safe continuous submersion.
• Long power cord provides reach and flexibility.

Technical Specifications of the PX400

Here are the detailed specifications for the Multiquip PX400 Submersible Trash Pump:

• Model: PX400
• Pump Type: Submersible trash pump
• Motor Power: 2 HP electric
• Power Supply: 115V AC, single-phase, 60 Hz
• Current Draw: ~20 amps
• Weight: ~64 lbs (29 kg)
• Discharge Size: 2 inches (NPT)
• Max Flow Rate: ~160 GPM (606 L/min)
• Max Head Lift: ~40 ft (12 m)
• Solids Handling Capacity: Up to 1 in. (25 mm)
• Cord Length: 25 feet (7.6 m)
• Construction: Cast iron casing, stainless steel motor housing
• Seal System: Dual mechanical seals in oil bath
• Applications: Construction, utilities, flood cleanup, sewage bypass, industrial drainage

Benefits of the Multiquip PX400

The Multiquip PX400 Trash Pump is a favorite among contractors and municipalities for several reasons:

1. Handles Solids Without Clogging

Unlike standard centrifugal pumps, the PX400 is designed to move dirty water containing solids, mud, and debris.

2. Compact Yet Powerful

At just 64 lbs, it’s portable enough for confined spaces but still delivers 160 GPM capacity.

3. Durability for Harsh Environments

With its cast iron housing and stainless steel components, the PX400 is built for long-term use in abrasive conditions.

4. Reliable Electric Operation

Runs on standard 115V power, making it easy to use without specialized equipment.

5. Safety Features

Built-in thermal overload protection ensures long, safe operation without damage to the motor.

Applications of the PX400 Pump

The Multiquip PX400 Submersible Trash Pump is designed for professional-grade dewatering across multiple industries and conditions:

• Construction Sites – Dewatering excavations, foundations, and trenches filled with dirty water.
• Municipal Utility Projects – Pumping storm drains, manholes, and sewer systems.
• Industrial Facilities – Managing wastewater, process water, and drainage pits.
• Flood Control and Emergency Response – Removing water mixed with debris after storms and floods.
• Agriculture and Irrigation – Handling water transfer from ponds, canals, and drainage ditches.
• Residential/Commercial – Basement flood cleanup where debris is present in water.

Comparison: PX400 vs. Other Multiquip Pumps

Here’s how the PX400 compares with other popular Multiquip submersible pumps:

Feature	ST2047 (Centrifugal)	ST2010TCUL (Trash Pump)	PX400 (Trash Pump)	ST3020BCUL (Centrifugal)
Motor Power	1 HP	1 HP	2 HP	2 HP
Max Flow	~79 GPM	~185 GPM	~160 GPM	~270 GPM
Max Head	47 ft	37 ft	40 ft	50 ft
Solid Handling	Limited	Up to 2 in.	Up to 1 in.	Up to 1.4 in.
Weight	~37 lbs	~58 lbs	~64 lbs	~95 lbs
Best Use	Light drainage	Heavy debris pumping	Medium debris-heavy jobs	Large-scale dewatering

The PX400 provides an excellent balance between portability, solids-handling, and pumping capacity, making it perfect for medium-scale debris-laden water jobs.

Maintenance Tips for the PX400

To maximize the lifespan of your Multiquip PX400 Pump, follow these maintenance practices:

1. Inspect Power Cord Regularly – Ensure no frays or exposed wiring.
2. Flush Pump After Use – Clean with fresh water to prevent buildup.
3. Check Impeller Condition – Inspect for wear or cracks, replace if necessary.
4. Inspect Mechanical Seals – Replace if leakage occurs.
5. Avoid Dry Running – Always ensure the pump is submerged before operation.
6. Store Properly – Keep dry and sheltered when not in use.

Why Contractors Choose the PX400

Contractors, municipalities, and emergency crews choose the Multiquip PX400 Submersible Trash Pump because it:

• Handles solids up to 1 inch without clogging.
• Offers high-capacity pumping at 160 GPM.
• Is built with durable cast iron and stainless steel.
• Provides safe electric operation with overload protection.
• Is portable and versatile for a wide range of applications.

It’s one of the most dependable and versatile trash pumps in the Multiquip lineup.

Conclusion

The Multiquip PX400 Submersible Trash Pump is a professional-grade solution for debris-heavy water pumping. With its 2 HP motor, 160 GPM capacity, 40-foot head lift, and ability to handle 1-inch solids, it offers reliability, efficiency, and durability in challenging job site conditions.

From construction and utility projects to municipal stormwater management and flood response, the PX400 delivers the performance professionals demand. For anyone in need of a rugged, portable, and powerful submersible trash pump, the Multiquip PX400 Submersible Trash Pump is one of the best investments available today.