Details
DCEC Cummins 4BTAA3.9-C80 Construction Engine (60kW / 80HP)
The DCEC 4BTAA3.9-C80 engine represents a rugged, exceptionally reliable solution designed specifically for heavy-duty construction machinery and industrial equipment. Operating as a purely mechanical diesel engine, this model entirely bypasses the need for complex electronic control modules or fragile wiring harnesses. This brilliant simplicity drastically reduces electrical failure points in harsh, dust-heavy operating environments and allows for straightforward field maintenance. As a dedicated genuine 4BTAA3.9-C80 engine supplier, HekoPower delivers these unyielding powerhouses directly to global operators, ensuring minimal downtime and maximum operational efficiency.
Tech Specs of Cummins 4BTAA3.9-C80
General Engine Data
Engine Model: Cummins 4BTAA3.9-C80
Type: 4 Cylinders in Line
Displacement: 3.9 L
Bore * Stroke: 102 * 120
Overall Dimension: 867mm*544mm*988mm
Net Weight (with flywheel & alternator): 338 Kg
Key Performance Data
Rated Power: 60 kW/80HP
Rated Speed: 2200 rpm
Max Torque/Speed: 370 N.m @ 1300 rpm
Fuel Consumption @ Rated Power: 210 g/Kw.h
Max Continuous Running Altitude: 2000 m
More Technical Data
Certification: Euro I
Aspiration: Turbocharged-Intercooled
Fuel System: Diesel Injection Pump
Compression Ratio: 17.3:1
Electrical System (Starter Motor/Alternator): 12V/24V
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 8.3 L
Understanding the 4BTAA3.9-C80 3.9L Water-Cooled Diesel Engine Specs
When you evaluate the core architecture of this Dongfeng Cummins 4BTAA3.9 motor, the structural rigidity and engineered endurance become immediately apparent. This robust 4BTAA3.9-C80 3.9L 4 cylinder diesel engine delivers a highly stable 80HP (60kW) output at a continuous working speed of 2200 RPM. The cast-iron engine block features a strategically designed 4BTAA3.9-C80 102x120mm engine bore and stroke configuration, which excels at generating aggressive low-end torque. This deep stroke allows machinery to push through sudden load spikes without stalling.
Fuel delivery remains the lifeblood of any industrial motor, and the Cummins 4BTAA3.9-C80 mechanical fuel injection system is legendary for its reliability. The standard factory setup pairs a heavy-duty 4BTAA3.9-C80 BYC P7100 fuel pump with a highly responsive 4BTAA3.9-C80 RSV mechanical governor. This precise governing system reacts instantly to mechanical throttle inputs, ensuring smooth RPM transitions even when hydraulic pumps engage aggressively. HekoPower provides the complete DCEC Cummins 4BTAA3.9-C80 engine power pack precisely calibrated from the factory, meaning operators do not need to re-time the injection pump prior to installation.
Technical Comparisons: 4BTA vs 4BTAA Cummins Engine
A highly common misconception in the aftermarket replacement space involves the difference between 4BTA and 4BTAA Cummins platforms. Buyers frequently assume these acronyms are interchangeable or represent minor manufacturing revisions. In reality, the cooling strategy fundamentally changes how these motors integrate into an equipment chassis.
The primary difference centers entirely on the charge air cooling methodology. A standard 4BTA3.9-C80 water-air intercooler configuration utilizes the engine's internal jacket water coolant to lower intake temperatures. In stark contrast, the Cummins 4BTAA3.9-C80 air-to-air intercooler system utilizes ambient outside air flowing across a dedicated, front-mounted heat exchanger core.
This 4BTAA3.9-C80 air-air intercooled engine design achieves significantly lower and more stable intake manifold temperatures. Pushing cooler, highly dense air into the combustion chamber drastically improves fuel atomization and overall thermal efficiency. Because of this superior air density, the 4BTAA3.9-C80 turbocharged diesel engine manages sustained, heavy-load operations with far less thermal stress on the cylinder head valves. However, when navigating 4BTAA3.9-C80 interchangeability, procurement teams must physically verify their equipment chassis possesses adequate frontal area space to accommodate the larger 4BTAA3.9-C80 intercooler installation.
Real Application Scenarios and 4BTAA3.9-C80 Interchangeability
As a leading Cummins 4BTAA3.9-C80 exporter, HekoPower oversees the deployment of this motor across a massive spectrum of earthmoving and material handling equipment. A dominant real-world application involves utilizing the Cummins 4BTAA3.9-C80 engine for hydraulic excavators and wheel loaders operating in the 5-ton to 8-ton weight class. In these machines, the aggressive Cummins 4BTAA3.9-C80 torque specification allows high-flow hydraulic gear pumps to operate at maximum pressure without dragging down the engine RPM, ensuring boom and bucket movements remain fast and fluid.
Beyond heavy mobile machinery, this platform frequently serves as an unwavering 4BTAA3.9-C80 pump drive engine. Industrial dewatering systems, municipal water transfer pumps, and remote agricultural irrigation setups rely heavily on its ability to run continuously at a static RPM for days at a time. Operators who buy Cummins 4BTAA3.9-C80 units for remote pumping applications specifically seek out the straightforward mechanical setup, as it guarantees the engine will not shut down due to a faulty electronic sensor in the middle of a critical water transfer operation.
Maintenance and 4BTAA3.9-C80 Replacement Considerations
Sourcing a reliable 4BTAA3.9-C80 replacement engine supplier is only the first step; integrating the block correctly dictates its lifespan. If you are retrofitting this unit into older equipment, HekoPower advises heavily reviewing your transmission mating surfaces. Our engineering support team can supply detailed 4BTAA3.9-C80 engine dimensions alongside exact 4BTAA3.9-C80 engine weight parameters to ensure your machinery mounts and bell housing will bolt up cleanly without excessive driveline vibration.
Maintaining the genuine DCEC 4BTAA3.9-C80 is a straightforward process, provided operators adhere to strict fluid hygiene. Because mechanical injection pumps operate at incredibly tight internal tolerances, installing premium fuel-water separators is mandatory. Water bypassing the filters will instantly score the plungers inside the Wuxi Weifu A Pump, leading to erratic idling. Furthermore, routine inspections of the 4BTAA3.9-C80 turbocharger system are non-negotiable. Mechanics must frequently inspect all rubber intake boots for hairline cracks; ingesting even small amounts of silica dust will rapidly erode the turbo compressor wheel.
Finally, actively monitoring your Cummins 4BTAA3.9-C80 fuel consumption provides an excellent early-warning diagnostic baseline. A sudden, unexplained spike in daily fuel usage typically points toward carbon buildup on the fuel injector nozzles or a mechanical governor requiring recalibration. HekoPower stocks all of these genuine 4BTAA3.9-C80 engine parts to support your maintenance schedules.
Exploring Other Options in This Range
Finding the perfect balance of horsepower, aspiration, and physical configuration dictates your machinery's ultimate success in the field. HekoPower is deeply committed to helping you navigate our extensive commercial inventory to locate the exact match for your specific torque requirements.
Beyond this specific 80HP mechanical model, our heavy-duty catalog covers a wide spectrum of configurations to meet diverse operational needs. Cummins B3.9-C Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes 4BT3.9-C80, 4BT3.9-C100, 4BT3.9-C105, 4BT3.9-C110, 4BTA3.9-C80, 4BTA3.9-C100, 4BTA3.9-C110, 4BTA3.9-C120, 4BTA3.9-C125, 4BTA3.9-C130, 4BTAA3.9-C80, 4BTAA3.9-C100, 4BTAA3.9-C110, 4BTAA3.9-C115, 4BTAA3.9-C125, 4BTAA3.9-C130.
Frequently Asked Questions (FAQ)
What is the current Cummins 4BTAA3.9-C80 price for international buyers?
Pricing continually fluctuates based on raw material commodities and factory production schedules. As a direct 4BTAA3.9-C80 wholesale engine distributor, HekoPower consistently offers the most competitive wholesale price for DCEC Cummins 4BTAA3.9-C80 units on the global market. We encourage fleet managers and buyers to contact our sales engineering team directly for the most accurate, landed-cost quotations tailored to your shipping destination.
Can I find a complete Cummins 4BTAA3.9-C80 engine assembly for sale?
Yes, HekoPower specializes in supplying complete, drop-in ready configurations. We provide the fully dressed 4BTAA3.9-C80 diesel engine fitted with the starter motor, alternator, mechanical fuel injection pump, and matched turbocharger. Purchasing a complete assembly drastically reduces mechanical downtime compared to piecing together a short-block engine on a dusty job site.
Does the 4BTAA3.9-C80 60kW engine comply with modern emission regulations?
The 4BTAA3.9-C80 industrial engine was engineered primarily for unregulated or lower-tier global emission markets. Its mechanical fuel delivery system is highly prized for unyielding durability rather than strict, modern-day emissions compliance. Buyers and importers must independently verify their local environmental regulations and equipment tier laws regarding the operation of mechanically governed diesel engines before initiating a purchase.
How does HekoPower ensure replacement compatibility?
When you are ready to secure a Cummins 4BTAA3.9-C80 for sale, our team cross-references your existing engine serial number (ESN). This ensures the flywheel housing, oil pan sump orientation, and exhaust manifold exit angles match your equipment's physical constraints perfectly.
