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Diesel Engine Trash Pumps
5 products
Showing 1 - 5 of 5 products
Diesel engine trash pumps are designed for high-volume dewatering where long runtime, fuel efficiency, and solids handling are required. These diesel trash pumps are commonly used in construction dewatering, flood response, sewage bypass pumping, and industrial water transfer where electric power is unavailable or continuous operation is critical.
Cleanflow supplies professional-grade diesel centrifugal trash pumps from trusted manufacturers like Multiquip. Available in 2″, 3″, and 4″ configurations, including trailer-mounted diesel trash pumps.
What Diesel Trash Pumps Are Used For
Diesel trash pumps are selected when pumping operations require high flow rates, long discharge distances, and extended runtime without refueling.
Common applications include:
- Construction site dewatering
- Emergency flood response
- Sewage bypass pumping (within solids limits)
- Excavations and trenching
- Industrial and municipal water transfer
Why Choose a Diesel Engine Trash Pump
Long Runtime & Fuel Efficiency
Diesel engines are built for continuous-duty operation and offer better fuel efficiency than gasoline pumps in long-run applications.
High Flow & Head Capability
Diesel centrifugal trash pumps deliver higher sustained flow and pressure, making them ideal for long discharge runs and elevation changes.
Built for Harsh Conditions
Heavy-duty pump ends, cast iron impellers, and abrasion-resistant seals allow diesel trash pumps to handle debris and solids without frequent maintenance.
Diesel Trash Pumps by Size
2″ Diesel Trash Pumps
Best for compact dewatering jobs where portability is important, and solids remain moderate.
3″ Diesel Trash Pumps
A balance of flow and mobility is commonly used on construction sites and utility work.
4″ Diesel Trash Pumps
High-capacity diesel dewatering pumps are designed for flood response, sewage bypass, and large-volume water transfer.
Trailer-Mounted Diesel Trash Pumps
Trailer-mounted diesel trash pumps are used when rapid deployment, extended runtime, and site-to-site mobility are required.
Benefits include:
- Integrated fuel tanks for 24–40+ hour runtime
- DOT-approved trailers for road transport
- Electric start and dual discharge capability
- Ideal for emergency response and municipal use
Top Diesel Engine Trash Pumps
Multiquip QP3TK – 3″ Diesel Trash Pump
High-head diesel centrifugal trash pump designed for long discharge runs and continuous-duty dewatering.
Multiquip QP4TK – 4″ Diesel Trash Pump
High-flow diesel dewatering pump built for flood control and large construction sites.
Multiquip QP4TKT28 – 4″ Trailer-Mounted Diesel Trash Pump
475 GPM trailer-mounted diesel trash pump with extended runtime for emergency and municipal pumping.
Multiquip QP4TK16 – 4″ Trailer-Mounted Diesel Trash Pump
Trailer-mounted 4-inch diesel trash pump with a 16-gallon fuel cell, designed for mobile dewatering, flood response, and construction pumping where transportability and reliable runtime are required.
Diesel vs Gas Trash Pumps
| Feature | Diesel Trash Pumps | Gas Trash Pumps |
|---|---|---|
| Runtime | Longer | Shorter |
| Fuel Efficiency | Higher | Lower |
| Duty Cycle | Continuous | Intermittent |
| Best Use | Construction, municipal | Light-duty jobs |
Diesel trash pumps are preferred when pumping must continue for extended periods without refueling.
How to Choose the Right Diesel Engine Trash Pump
- Flow Rate (GPM): Match pump size to required volume
- Head Pressure: Consider discharge distance and elevation
- Solids Handling: Ensure debris size stays within limits
- Mobility: Trailer-mounted vs skid-mounted
Application Limits
Diesel engine trash pumps are designed for water containing debris and solids, not for:
- Dry-run operation
- Thick sludge or viscous slurry
- Chemical transfer
- Solids exceeding the pump’s rated size
Proper application ensures performance, longevity, and safe operation.
Diesel Engine Trash Pumps at Cleanflow
Cleanflow supplies diesel engine trash pumps built for professional dewatering and water transfer applications. Our selection focuses on reliable engine platforms, proven pump designs, and configurations suitable for construction, municipal, and industrial use.
If you need assistance selecting the correct diesel trash pump based on flow rate, solids handling, or jobsite conditions, our team is ready to help.
Frequently Asked Questions
What is a diesel engine trash pump used for?
A diesel engine trash pump is used for high-volume dewatering, flood response, sewage bypass, and water transfer where debris and solids are present.
Are diesel trash pumps better than gas-powered pumps?
Diesel trash pumps are better suited for long runtimes, higher torque, and continuous-duty applications. Gas pumps are typically used for shorter jobs.
What size diesel trash pump do I need?
Most applications use 3″ or 4″ pumps. Larger pumps provide higher flow but require a matching hose size and site conditions.
Can diesel trash pumps handle sewage?
Yes, when solids remain within the pump’s rated capacity. Always confirm the solids' size before use.
Do diesel trash pumps need to be primed?
Yes. Like other centrifugal trash pumps, they must be primed with water before operation.
How long can diesel trash pumps run continuously?
Diesel trash pumps are built for continuous-duty operation and can run 12 to 24+ hours on a single tank, depending on fuel capacity, engine efficiency, and pumping conditions.