Login or create an account
CloseReturning Customer
I am a returning customer
Login or create an account
CloseRegister Account
If you already have an account with us, please login at the login form.
Your Account Has Been Created!
Thank you for registering with Juna Tools!
You will be notified by e-mail once your account has been activated by the store owner.
If you have ANY questions about the operation of this online shop, please contact the store owner.
Account Logout
You have been logged off your account. It is now safe to leave the computer.
Your shopping cart has been saved, the items inside it will be restored whenever you log back into your account.
Multiquip 3 Diaphragm Pump for Honda GX120 Series A
- $901.00
- Brands Multiquip
- Product Code: MQD3HA
- Availability: In Stock
Multiquip 3in Diaphragm Pump with Honda GX120 – MQD3HAProduct OverviewThe Multiquip MQD3HA 3in Diaphragm Pump is a heavy-duty positive-displacement pump designed for moving muddy water, sludge, and liquids containing a high concentration of solids. Powered by a Honda GX120 3.5 HP gasoline engine, it provides dependable pumping performance in demanding dewatering environments.Unlike a conventional ..
High Efficiency Multiquip 3 Diaphragm Pump for Honda GX120 Series A
Multiquip 3in Diaphragm Pump with Honda GX120 – MQD3HA
Product Overview
The Multiquip MQD3HA 3in Diaphragm Pump is a heavy-duty positive-displacement pump designed for moving muddy water, sludge, and liquids containing a high concentration of solids. Powered by a Honda GX120 3.5 HP gasoline engine, it provides dependable pumping performance in demanding dewatering environments.
Unlike a conventional centrifugal pump, the diaphragm design uses a reciprocating pumping action that is well suited to thick, dirty, and debris-laden fluids. The MQD3HA can handle solids up to 1-5/8 inches and pump up to 90 gallons per minute, making it a practical choice for construction, excavation, drainage, and other difficult pumping applications.
Its integrated wheel kit also makes the pump easier to move around the jobsite.
Key Features
3-inch diaphragm pump – Designed for demanding dewatering and sludge-handling applications.
Honda GX120 engine – Powered by a reliable 3.5 HP gasoline engine.
90 GPM maximum flow – Provides substantial water-moving capacity.
25 ft maximum lift – Suitable for applications requiring vertical discharge.
1-5/8 in. solid handling – Allows the pump to move water containing relatively large debris.
Handles high-solid-content fluids – Well suited to muddy water, sludge, and heavy debris-laden liquids.
Positive-displacement pumping action – Helps move higher-viscosity fluids where conventional pumps may be less suitable.
Oil-bath lubricated enclosed gears – Helps protect and lubricate the internal gear system.
Integrated wheel kit – Makes transportation and positioning easier.
High-temperature fluid capability – Designed for fluids up to 180°F.
Portable gasoline operation – Does not require an electrical power connection during operation.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Multiquip |
| Model | MQD3HA |
| Series | Series A |
| Product Type | Diaphragm Pump |
| Pump Size | 3 in. |
| Engine | Honda GX120 |
| Engine Power | 3.5 HP |
| Fuel Type | Gasoline |
| Maximum Flow | 90 GPM / 342 LPM |
| Maximum Lift | 25 ft / 7.6 m |
| Maximum Solid Size | 1-5/8 in. |
| Maximum Fluid Temperature | 180°F |
| Gear Lubrication | Oil Bath |
| Transport System | Integrated Wheel Kit |
| Approx. Weight | 175 lb |
| Primary Applications | Muddy water, sludge, high-solid-content fluids, and dewatering |
Published product information identifies the MQD3HA as a 175 lb unit and lists a 2-year limited warranty through the current product listing.
Built for Dirty and Difficult Fluids
The MQD3HA is designed for situations where the pumped liquid contains more than just clean water. Its diaphragm pumping mechanism is particularly useful for muddy water, sludge, and fluids carrying substantial amounts of debris.
The pump can handle solids up to 1-5/8 inches, reducing the need to pre-filter water before pumping in many typical dewatering situations.
Positive-Displacement Diaphragm Design
The MQD3HA uses a positive-displacement diaphragm pumping system. Instead of relying solely on a high-speed impeller to move water, the diaphragm reciprocates to create the pumping action.
This design is well suited to liquids with higher viscosity and heavy solids content, making the pump a useful option for demanding jobsite conditions.
Honda GX120 Power
A Honda GX120 3.5 HP gasoline engine provides the power source for the pump. Gasoline operation allows the MQD3HA to be used in locations where electrical power may not be readily available.
The engine should be operated, fueled, and maintained according to Honda's requirements and the Multiquip operating instructions.
90 GPM Pumping Capacity
The MQD3HA can pump up to 90 gallons per minute (342 liters per minute) under suitable operating conditions. This provides useful capacity for removing accumulated water from work areas, excavations, and other locations.
Actual flow depends on factors such as discharge piping, lift, fluid characteristics, hose configuration, and operating conditions.
25-Foot Maximum Lift
The pump provides a maximum lift of 25 feet (7.6 meters). This gives contractors flexibility when routing discharge water away from the pumping location.
For best performance, the discharge setup should be selected according to the required lift and flow conditions rather than relying solely on the maximum published rating.
Handles Fluids Up to 180°F
The MQD3HA is specified for liquids with temperatures up to 180°F (82°C). This provides additional versatility for applications involving warmer fluids, provided the pumped liquid is compatible with the pump's materials and operating requirements.
Enclosed Oil-Bath Gear System
The pump features enclosed gears with oil-bath lubrication. This arrangement provides lubrication for the gear components while keeping the gear mechanism enclosed within the pump assembly.
Regular inspection and maintenance should be performed according to the manufacturer's service recommendations.
Integrated Wheel Kit
Moving a 175 lb pump around a jobsite can be challenging, so the MQD3HA incorporates an integrated wheel kit to simplify transportation.
The wheeled design is useful when the pump needs to be repositioned between excavation areas, drainage points, or other work locations.
Typical Applications
The Multiquip MQD3HA can be used for:
Construction-site dewatering
Excavation dewatering
Muddy-water removal
Sludge pumping
Floodwater removal
Drainage applications
High-solid-content liquid transfer
General contractor dewatering
Heavy debris-laden fluid handling
Other demanding pumping applications
Advantages of the MQD3HA
Handles Larger Solids
With a 1-5/8-inch solid-handling capability, the pump is designed for water containing considerably more debris than a clean-water pump.
Suitable for Sludge and Muddy Water
The diaphragm system is well suited to liquids that are thick, dirty, or heavily contaminated with solids.
Gasoline Powered
The Honda GX120 engine allows operation without depending on an electrical outlet.
Portable Jobsite Design
The integrated wheel kit makes the 175 lb pump easier to transport and reposition.
High Pumping Capacity
A maximum flow rate of 90 GPM provides substantial dewatering capability for a compact gasoline-powered diaphragm pump.
What Is Included
The standard product is listed as:
1 × Multiquip MQD3HA 3in Diaphragm Pump
Honda GX120 3.5 HP gasoline engine
Integrated wheel kit
Hoses, suction/discharge accessories, strainers, and other jobsite-specific equipment should be confirmed separately with the seller or package configuration.
Maintenance Considerations
Regular maintenance is important for dependable diaphragm-pump performance. Operators should follow the manufacturer's recommended maintenance schedule and inspect the pump before use.
Particular attention should be given to:
Engine oil and routine engine service
Pump and gear lubrication
Diaphragm condition
Hoses and connections
Pump valves
Fasteners
Fuel system
Wheel and transport components
Always shut down the engine and follow proper safety procedures before performing maintenance.
Important Operating Notes
The MQD3HA is intended for professional pumping applications. Make sure the fluid being pumped is compatible with the pump and does not exceed the specified temperature or solid-size limits.
Keep the pump on a stable surface during operation and route discharge hoses so they cannot create a trip hazard or become kinked. Operate the gasoline engine only in an adequately ventilated outdoor environment because engine exhaust contains hazardous gases.
Always read and follow the manufacturer's operating and safety instructions before use.
Why Choose the Multiquip MQD3HA?
The Multiquip MQD3HA is designed for jobs where ordinary water pumps may struggle with thick, dirty, or debris-filled liquids. Its 3-inch diaphragm system, Honda GX120 3.5 HP engine, 90 GPM capacity, 25 ft maximum lift, and 1-5/8-inch solid-handling capability make it a strong choice for demanding dewatering work.
The combination of gasoline-powered operation and an integrated wheel kit also makes it practical for mobile jobsite use.
Product Summary
The Multiquip MQD3HA 3in Diaphragm Pump is a gasoline-powered positive-displacement pump built for muddy water, sludge, and high-solid-content fluids. Powered by a Honda GX120 3.5 HP engine, it delivers up to 90 GPM, provides up to 25 ft of lift, and can handle solids up to 1-5/8 inches.
Quick Specifications
Brand: Multiquip
Model: MQD3HA
Series: A
Pump Type: Diaphragm
Pump Size: 3 in.
Engine: Honda GX120
Engine Power: 3.5 HP
Fuel: Gasoline
Maximum Flow: 90 GPM / 342 LPM
Maximum Lift: 25 ft / 7.6 m
Solid Handling: Up to 1-5/8 in.
Maximum Fluid Temperature: 180°F / 82°C
Approx. Weight: 175 lb
Gear Lubrication: Oil bath
Transport: Integrated wheel kit
Best For: Muddy water, sludge, high-solid-content fluids, and demanding dewatering