This Heavy-Duty Diesel Engine Power Unit is built around authentic Cummins engine platforms, specifically calibrated for continuous-duty agricultural drainage, canal irrigation, and high-volume stormwater pumping. Engine power curves are factory-optimized to provide stable, anti-stall low-end torque during sudden pump head pressure surges.
Integrated with severe-duty cooling packages, multi-stage fuel filtration, and standard SAE flywheel couplings, each power unit functions as a direct drop-in drive assembly for axial-flow, mixed-flow, and centrifugal pump stations.
- Power Output Range: 80 hp – 500 hp (60 kW – 373 kW)
- Emission Standards: Non-Emission / EPA Tier 3 / Tier 4 Final / EU Stage V
- Duty Rating: Continuous Duty (24/7 continuous rated power)
- Structural Form: Heavy-Duty Open Skid / Weatherproof Enclosure / Trailer-Mounted
Key Features
Anti-Stall Torque Calibration: Custom ECU mapping (or mechanical governor calibration) maintains constant pump RPM under variable head pressure and fluctuating fluid densities.
Severe-Duty Dual-Stage Filtration: High-capacity primary air pre-cleaners and dual-stage fuel/water separators with 5-micron filtration protect fuel injectors against contaminated field diesel and airborne dust.
50°C High-Ambient Cooling Package: Heavy-duty, all-aluminum radiator with oversized pusher fan prevents thermal shutdown during long summer pumping cycles.
Precision Shaft Alignment Interface: CNC-machined bellhousing adapters and standardized SAE flywheel housings (SAE #1, #2, #3) enable direct connection to pumps, drive shafts, or PTO clutches.
Automated Engine Protection & Telemetry: Integrated ECU monitoring system automatically triggers alarm or shutdown on low oil pressure, high coolant temperature, or coolant loss.
Technical Specifications
|
Parameter |
Technical Specifications |
|
Engine Base Series |
Cummins 4BT, 6BT, 6CT, QSB6.7, QSL9, QSX15 |
|
Aspiration |
Turbocharged / Turbocharged Aftercooled (TA) |
|
Governor Type |
Mechanical / Electronic Control Unit (ECU) with J1939 CANbus |
|
Bore x Stroke |
102 x 120 mm to 137 x 169 mm (Model dependent) |
|
Flywheel & Housing |
SAE #1, #2, #3 Housing / SAE 10", 11.5", 14" Flywheel |
|
Specific Fuel Consumption |
~200 – 215 g/kWh at rated load |
|
Operating Ambient Temp |
-15°C to +50°C (+55°C option available) |
|
Electrical System |
12V DC / 24V DC Insulated Starter & Alternator |
|
Maintenance Interval |
250 Hours (Standard) / 500 Hours (Extended Sump Option) |
Applications
Agricultural Dewatering & Flood Control: High-volume drainage of low-lying farmland during seasonal floods.
Canal & Lift Irrigation: Pumping river and canal water into agricultural supply channels.
Aquaculture Water Exchange: Continuous high-flow water circulation for commercial fish and shrimp ponds.
Municipal Emergency Pumping: Mobile bypass and seasonal urban stormwater removal.
Compatible Equipment & Engine Models
Engine Base Selection Guide
- Cummins 4B3.9 / 6B5.9 Series (80–150 hp): Tailored for small-to-medium axial pumps and portable irrigation units.
- Cummins 6CT8.3 / 6L8.9 Series (180–300 hp): Built for regional agricultural drainage stations and high-flow centrifugal pumps.
- Cummins QSB6.7 / QSL9 Series (200–380 hp): Electronic injection units compliant with EPA Tier 4F / EU Stage V for regulated agricultural zones.
- Cummins QSX15 Series (400–500+ hp): Designed for large multi-discharge axial flow pumping stations.
Pump Drive Compatibility
- Direct-coupled Centrifugal Pumps (via flexible drive couplings)
- Right-Angle Gearbox Drives (for vertical turbine pumps)
- PTO Clutch Assemblies (for belt-driven axial flow pumps)
Customization & Assembly Options
Base Frame & Fuel Tank: 8–24 hour capacity skid fuel tank made of 5mm carbon steel, equipped with forklift pockets, lifting lugs, and drain plugs.
Drive Interface Options: Hydraulic clutches, manual PTO assemblies, cardan drive shafts, or flexible rubber couplings.
Control Systems:
- Basic Panel: Keyswitch start, analog tachometer, oil pressure gauge, coolant temperature gauge, hour meter.
- Smart Digital Controller: Auto-start on float switch signal, J1939 CANbus data logging, remote Modbus/RS485 telemetry.
- Acoustic Enclosure: Galvanized steel weatherproof canopy lined with fire-retardant soundproofing foam (<75 dBA @ 7 meters).
Quality Control & Manufacturing Evidence
Original Serial Number Verification: Every engine base comes with authentic serial numbers fully traceable through regional distributor network databases.
Laser-Guided Drive Alignment: Flywheel and pump mounting flanges are laser-aligned to within 0.05 mm concentricity to eliminate vibration and extend pump bearing life.
ASTM B117 Anti-Corrosion Coating: Skids and enclosures undergo sandblasting, anti-rust epoxy priming, and polyurethane topcoat painting (tested for 500+ hours salt spray resistance).
100% Load Bank Test Procedure: Every complete unit undergoes mandatory dynamometer testing prior to factory sign-off:
Stepped Load Testing: 25%, 50%, 75%, 100%, and 110% overload steps (2+ hours total run time).
Thermal Scan: Infrared thermal imaging of radiator, exhaust manifold, and bearings.
Safety Shutdown Validation: Operational verification of oil pressure and coolant sensor trip points.
Packaging, Preservation & Logistics
Engine Preservation: Internal oil fogging applied to cylinders; air intake, exhaust, and coolant openings hermetically sealed with waterproof caps.
Export Packaging: Vacuum-sealed moisture barrier bag inside a heavy-duty ISPM-15 compliant heat-treated wooden crate with internal steel tie-downs.
Global Logistics & Export Docs: Standard 20GP/40HQ container loading with full export documentation package provided:
- Factory Load Test Report (FAT)
- Engine Serial & Warranty Verification Document
- CE Certificate of Conformity
- Certificate of Origin (COO / Form E)
Frequently Asked Questions
Q: How do you ensure the engine power matches my pump's power curve?
A: Our engineering team calculates engine continuous power derating based on your site's altitude, ambient temperature, fuel density, and pump operating RPM to ensure adequate torque margin without overloading the engine.
Q: Are spare parts accessible through regional Cummins dealers?
A: Yes. All internal engine components, filters, fuel injectors, water pumps, and sensors use standard original Cummins part numbers, enabling local sourcing worldwide.
Q: Can the engine auto-start based on water level changes?
A: Yes. Units equipped with our Smart Digital Control Panel accept external float switch, ultrasonic level sensor, or pressure switch signals to automatically start or stop the engine unattended.
Q: Do you supply the coupling kit to connect the engine to our pump shaft?
A: Yes. We custom-machine SAE adapter rings, flywheels, and flexible drive couplings based on your pump shaft diameter and keyway specifications.
Request a Quote & Engineering Support
Receive a tailored technical proposal and formal quotation within 24 hours. Fill out your project requirements below or send your data sheet directly to our engineering team.
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