Details
Dongfeng Cummins 4BTA3.9-C110 Industrial Diesel Engine Assembly
The Dongfeng Cummins 4BTA3.9-C110 complete engine represents a benchmark in dependable industrial power. Engineered as a 4-cylinder Cummins diesel engine, this 3.9L unit utilizes a robust turbocharged and jacket water aftercooled design. It delivers a consistent 82kW (110HP) at 2200 RPM, with alternate configurations offering 80kW at 2600 RPM. Peak torque output reaches 460 Nm, providing immense rotational force for heavy-duty hydraulic pumps and drivetrain systems.
HekoPower supplies this DCEC 4BTA3.9-C110 industrial engine as a fully assembled, drop-in power unit. Each Cummins 4BTA3.9-C110 diesel engine assembly arrives from the factory complete with the starter motor, charging alternator, cooling water pump, fuel injection system, and turbocharger. This comprehensive build ensures equipment managers can execute a seamless Cummins 4BTA3.9-C110 110hp repower with minimal machine downtime.
Tech Specs of Cummins 4BTA3.9-C110
General Engine Data
Engine Model: Cummins 4BTA3.9-C110
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: 80 kW/110HP
Rated Speed: 2600 rpm
Max Torque/Speed: 350 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 258g/Kw.h
Max Continuous Running Altitude: 2000 m
More Technical Data
Certification: Euro I
Aspiration: Turbocharged-Intercooled
Fuel System: Weifu PW/RSV
Compression Ratio: 16.5:1
Electrical System (Starter Motor/Alternator): 12V/24V
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 7.9 L
Understanding B3.9-C Series Technical Differences
Selecting the correct 3.9L Cummins industrial diesel engine requires close attention to the structural differences across the DCEC lineup. Variations in aspiration and thermal management directly dictate whether an engine will physically fit inside your equipment's engine bay without costly chassis modifications.
4BT3.9-C110 vs 4BTA3.9-C110 Engine Architecture
The defining contrast between these two models is the approach to intake air thermal management. The standard 4BT3.9-C110 relies exclusively on exhaust-driven turbocharging. The 4BTA3.9-C110 steps up performance by adding an integrated jacket water aftercooler. This turbocharged intercooled Cummins engine channels standard engine coolant through a heat exchanger mounted on the intake manifold. By lowering the temperature of the intake air, oxygen density increases. This thermal efficiency allows the 4BTA model to push 460 Nm of torque, easily outperforming the 330 Nm limit of the standard 4BT platform.
4BTA3.9-C110 vs 4BTAA3.9-C110 Intercooling Methods
Both engine blocks produce 110 horsepower, but their cooling infrastructures demand different vehicle setups. The DCEC Cummins 4BTA3.9-C110 utilizes the aforementioned water-to-air cooling loop. Because the cooler sits directly on the engine block, the overall footprint remains highly compact. The 4BTAA3.9-C110 requires an air-to-air intercooler core mounted in front of the machine's primary radiator. This necessitates bulky external charge air piping. For a straightforward 4BTA3.9-C110 replacement for construction equipment, the compact water-cooled 4BTA version is usually preferred to avoid routing new external ductwork.
Performance Scaling: 4BTA3.9-C100 vs C110 vs C125
Power delivery across the B3.9-C series is dictated by precise mechanical fuel calibration and turbocharger geometry. The 4BTA3.9-C100 yields 100HP with 410 Nm of torque. The upper-tier C125 model forces out 125HP and 475 Nm. The 4BTA3.9-C110 industrial engine occupies the ideal middle ground for mid-sized machinery. It balances aggressive hydraulic breakout force with a highly economical 4BTA3.9-C110 fuel consumption rate of 258 g/kW.h at full load.
Speed Ratings: 4BTA3.9-C110 2200 RPM vs 2600 RPM
Dongfeng Cummins calibrates this 110HP Cummins construction engine for specific driveline demands. The 2200 RPM calibration acts as an 82kW Cummins engine, maximizing low-end lugging power with 460 Nm of torque. This is strictly engineered for high-resistance loads like excavating or rock crushing. The 2600 RPM setup acts as an 80kW engine, peaking at 330 Nm of torque. This higher-speed rating is typically designated for mobile ground-drive applications, matching the DCEC Cummins engine configuration D382043CX02 replacement parameters required by faster-moving utility vehicles.
Essential Maintenance and Repower Replacement Tips
Executing a successful engine swap extends beyond simply matching horsepower. Procurement teams must account for physical dimensions, shipping logistics, and strict maintenance protocols for mechanical fuel systems.
4BTA3.9-C110 Engine Dimensions and Weight Considerations
Space constraints dictate every repower project. The exact 4BTA3.9-C110 bore stroke dimensions measure 102mm by 120mm, resulting in a true 3.9-liter displacement. The bare 4BTA3.9-C110 engine dimensions and weight come in at 867mm long, 544mm wide, and 988mm high, with a net dry weight of 338 kg. When ordering globally through a 4BTA3.9-C110 replacement engine supplier like HekoPower, buyers must plan for freight logistics. The complete Cummins 4BTA3.9-C110 crate engine shipping weight and dimensions total approximately 500 kg, securely packed within a 1100mm x 950mm x 1400mm export-grade wooden crate.
Managing the Weifu PW2000 Fuel Pump and RSV Mechanical Governor
This power unit is celebrated globally as a highly resilient Cummins mechanical injection engine. It features a 4BTA3.9-C110 Weifu PW2000 mechanical injection pump engine design managed by an RSV mechanical governor engine control unit. This purely mechanical arrangement completely eliminates the need for fragile electronic control modules or complex wiring harnesses. It is highly tolerant of lower-grade diesel fuels common on remote job sites. To maintain peak performance, operators must strictly replace the primary fuel-water separator and secondary diesel filter every 250 working hours. Keeping the governor oil clean ensures the throttle responds instantly when hydraulic loads suddenly spike.
Drop-in Replacement for Construction Equipment
Before finalizing your 4BTA3.9-C110 complete replacement engine installation, technicians must verify driveline mating components. Confirm that the flywheel housing aligns with your hydraulic pump drive, typically utilizing an industry-standard SAE #2 or SAE #3 interface. Inspect the rear engine mounting pads and front trunnion supports for signs of metal fatigue. Finally, verify the voltage of your equipment's electrical system to ensure the factory-installed starter and alternator match your 12V or 24V requirements.
Real Application Scenarios for the 110HP Cummins Construction Engine
The proven B3.9-C series engine platform serves as the mechanical heartbeat for a vast array of global infrastructure projects.
Wheel Loader and Excavator Engine Deployments
This unit serves heavily as a reliable 4BTA3.9-C110 wheel loader engine, particularly in 3-ton bucket capacity machines. It provides the sudden rim-pull torque required to push deep into dense gravel stockpiles. As a 4BTA3.9-C110 excavator engine, it drives tandem hydraulic pumps, ensuring operators have smooth, uninterrupted boom and stick control even when tearing through compacted clay.
Road Roller and Compaction Machinery
Earth compaction requires relentless, steady power. Employed as a 4BTA3.9-C110 road roller engine on 10-to-12-ton single-drum vibratory compactors, the mechanical governor proves invaluable. It actively fights engine surging, holding the exact RPM required to maintain consistent drum vibration frequencies across steep gradients.
Hydraulic Power Unit and Industrial Pump Engine Uses
Beyond mobile earthmoving, the unit excels in stationary roles. It operates effectively as a 4BTA3.9-C110 water pump engine for municipal dewatering tasks and as a 4BTA3.9-C110 hydraulic power unit engine for industrial shredders. The jacket water aftercooler allows the engine to run at high continuous loads without succumbing to thermal breakdown.
Common Misconceptions About the 4BTA3.9-C110
Clarifying technical misunderstandings prevents costly procurement errors and ensures machinery returns to service quickly.
Many buyers assume all 3.9L parts are universally interchangeable. While internal rotational components like crankshafts and connecting rods are identical across the B3.9 family, the exterior induction plumbing is not. You cannot seamlessly bolt a 4BTAA air-to-air intake manifold onto a 4BTA jacket-water block without extensive modifications.
Another misconception involves modern fuel efficiency. Some operators believe mechanical fuel pumps cannot deliver acceptable fuel economy. In reality, a properly tuned 4BTA3.9-C110 PW2000 fuel pump delivers highly competitive specific fuel consumption rates while drastically reducing long-term maintenance costs associated with electronic injector failures.
Finally, higher RPM does not equate to better digging power. Equipment owners often request the highest speed rating available. However, a 2200 RPM calibration delivers significantly higher peak torque than a 2600 RPM calibration, making the slower engine vastly superior for heavy earthmoving applications.
Explore More from the DCEC B3.9-C Engine Lineup
Maintaining a heavy equipment fleet requires access to precise technical data and reliable replacement components. HekoPower stands ready to support your operations with complete engine assemblies, factory-authorized rebuild kits, and expert compatibility matching.
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
Can the 4BTA3.9-C110 replace an older 4BT or 4BTA engine model?
Yes. The mounting patterns and flywheel configurations are highly compatible across the B-series family. However, you must verify your specific hydraulic pump spline count and exhaust manifold orientation to ensure a direct fit.
Does this engine require a computer diagnostic tool for troubleshooting?
No. Because it relies on the mechanical Weifu fuel pump and RSV governor, it operates completely independent of electronic control units. Mechanics can troubleshoot and adjust fuel timing using standard hand tools and traditional mechanical gauges.
How do I verify this is the correct replacement for my machine?
Locate the metal data plate riveted to your current engine block. Cross-reference the Engine Serial Number and the specific configuration code. HekoPower uses these exact identifiers to guarantee your new Cummins 4BTA3.9-C110 replacement engine matches your original factory specifications perfectly.
What is the recommended oil change interval?
Under standard industrial operating conditions, the lubricating oil and filter should be replaced every 250 operating hours. Environments with extreme dust or continuous maximum-load operation may require service intervals to be reduced to 150 hours to protect internal bearings.
