Details
Cummins 4BTAA3.9-C100 Complete Engine Assembly for Industrial Applications
The Cummins 4BTAA3.9-C100 diesel engine assembly represents a cornerstone of mechanical reliability for heavy industrial machinery. Developed by the Dongfeng Cummins Joint Venture (DCEC), this 3.9-liter, 4-cylinder, inline power plant is configured specifically to meet the high-torque, low-speed demands of rugged construction fields. Delivering a flat 100 horsepower, the 4BTAA3.9-C100 turbocharged intercooled engine balances mechanical simplicity with highly optimized fuel economy.
As an established, independent China DCEC 4BTAA3.9-C100 engine exporter, Heko Power specializes in delivering completely built-up, factory-tested power units. Unlike standard trading companies that provide only basic bare-bone engines, our complete power units arrive with properly matched auxiliary groups, allowing operators to execute efficient field replacements with minimal downtime.
Tech Specs of Cummins 4BTAA3.9-C100
General Engine Data
Engine Model: Cummins 4BTAA3.9-C100
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: 75 kW/100HP
Rated Speed: 2200 rpm
Max Torque/Speed: 400 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 210 g/Kw.h
Max Continuous Running Altitude: 2000 m
More Technical Data
Certification: Euro II
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
Core Mechanical Performance and Output Matrix
Understanding the specific engine dynamics ensures proper machine matching. The 100HP Cummins 3.9L turbocharged diesel engine relies on an air-to-air intercooler system. This double "A" designation within the model name indicates that compressed intake air passes through a dedicated radiator element before entering the combustion chamber, increasing oxygen density for maximum thermal efficiency.
Fuel System Configuration: The BYC P7100 Mechanical Setup
A distinct advantage of this Cummins mechanical injection industrial engine is its complete freedom from complex common-rail electronic sensors. The model integrates the highly resilient 4BTAA3.9-C100 fuel injection pump BYC P7100 specifications. This mechanical governor-controlled pump tolerates varying fuel qualities much better than modern tier-4 electronic injectors, making it highly preferred for remote mining sites and developing infrastructure zones.
The physical configuration also boasts structural resilience. The complete Cummins 4BTAA3.9-C100 engine dimensions and wet weight for export scale to a highly compact footprint. This allows the block to slide into tight engine compartments without requiring extensive chassis modifications.
Real Application Scenarios and Equipment Integration
Excavators and Tracked Earthmovers
The specific torque curve of this DCEC Cummins 4BTAA3.9-C100 industrial engine matches the hydraulic demand spikes typical in earthmoving machinery. When utilizing the Cummins 4BTAA3.9-C100 engine for excavator applications, the governor responds instantly to the sudden load changes from hydraulic control valves during heavy digging or lifting operations.
Engineering Drills and Rotary Rigs
Vibration resistance is critical for mining platforms. Selecting the Cummins 4BTAA3.9-C100 engine for drilling rig systems ensures continuous power output under constant, high-vibration drilling loads. The heavy-duty cast iron block dampens harmonic frequencies, safeguarding internal main bearings from premature fatigue.
Compaction and Utility Machinery
Heavy-duty civil infrastructure relies on steady power bands. The Cummins 4BTAA3.9-C100 engine for road roller setups offers sustained operations under dusty, high-temperature environmental conditions without derating. Similarly, when deployed as a Cummins 4BTAA3.9-C100 engine for wheel loader frames, its low-end torque allows the operator to crowd buckets into heavy material piles without stalling the torque converter.
Engineering Swap and Replacement Guide
4BTAA3.9-C100 Cross Reference Compatibility Guide
When managing fleet maintenance, finding a direct drop-in replacement engine saves weeks of structural retrofitting. Our engineering team provides a clear 4BTAA3.9-C100 cross reference compatibility guide to confirm flywheel housing sizes (typically SAE #3 or SAE #2) and engine mount drop-points before shipment.
Upgrading from Standard 4BTA3.9 Variants
Many equipment owners run into issues when replacing DCEC 4BTA3.9 with 4BTAA3.9-C100 air-to-air intercooled setups. While the physical block footprints share matching bolt patterns, you must account for the physical installation of the air-to-air cooling core. The upgraded C100 setup offers superior thermal margins and lower exhaust gas temperatures (EGTs), which directly extends valve life.
Displacing Outdated Third-Party Engines
We regularly consult with clients looking to replace Perkins engine with Cummins 4BTAA3.9 configurations. The main driver for this swap is parts availability. The global footprint of the Cummins 4B series means filters, seals, and rebuild kits can be sourced anywhere, reducing lifetime operational costs compared to European or domestic niche engine brands.
Global Sourcing, Logistics, and Verification Protocols
Verification via Engine Serial Number (ESN)
To guarantee 100% component compatibility and prevent shipping errors, Heko Power operates a rigorous Cummins engine ESN verification supplier system. Before any order is finalized or packed, our technical team cross-checks your machine's original data plates against official factory build sheets. This process ensures matching Critical Parts Lists (CPL) for components like turbocharger orientations and oil pan depths.
Quality Assessment: Genuine vs Rebuilt Configurations
The market is filled with low-cost options, making it critical to identify genuine vs rebuilt Cummins 4BTAA3.9 engine units. Rebuilt units frequently reuse stressed crankshafts and off-brand piston sets. Heko Power acts strictly as an OEM Cummins 4BTAA3.9-C100 engine supplier, distributing brand-new assemblies straight from production lines to secure maximum service life.
Packaging and Sea Freight Standardization
Industrial logistics require careful handling to prevent rust and physical damage during long transit times. Our standard DCEC 4BTAA3.9-C100 sea freight lead times and packaging size parameters include fumigated, heavy-duty enclosed wooden crates. The engine is sprayed with a specialized anti-corrosion barrier, vacuum-sealed in heavy plastic sheeting, and securely bolted to a reinforced wooden base to withstand maritime movement.
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.
Industrial Engine Procurement FAQ
What accessories are included with a "complete engine assembly" from Heko Power?
Our complete assemblies typically include the high-pressure fuel injection pump, injectors, turbocharger, water pump, alternator, charging belt, and starter motor. We can also provide an original equipment manufacturer 4BTAA3.9-C100 engine with radiator assembly as a complete, drop-in power pack.
How can I confirm the CPL matching configuration for my machine?
Please locate the silver metallic data plate on the gear pocket cover of your current engine block. Provide our sales technicians with the 8-digit Engine Serial Number (ESN). We will verify the exact Critical Parts List (CPL) configuration to ensure all manifold and turbo connections line up perfectly with your existing equipment hookups.
Does the engine come with an international warranty?
Yes. As a genuine Dongfeng Cummins 4BTAA3.9-C100 provider, all new assemblies supplied by Heko Power carry official international factory warranty coverage. This ensures your investment is protected through authorized global service networks.
Is this engine suitable for hot climate operation?
Yes. The turbocharged intercooled design improves intake temperature control and helps maintain stable power output in high-temperature environments.
