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Genuine DCEC Cummins 4BTAA3.9-C110 Industrial Engine Assembly: Heavy-Duty Engineering for Global Export
The Cummins 4BTAA3.9-C110 diesel engine represents one of the most reliable mechanical workhorses ever engineered for industrial, construction, and agricultural machinery. Manufactured by the Dongfeng Cummins Engine Company (DCEC) joint venture plant in China, this 4-cylinder, inline, 3.9L turbocharged intercooled diesel engine delivers an optimal balance of simple mechanical reliability and rugged performance. Producing a rated power of 82 kW (110 HP) at 2200 RPM, the DCEC Cummins 4BTAA3.9-C110 engine assembly is widely utilized across international markets due to its compliance with Euro Stage II / Euro II emissions regulations and its adaptability to extreme operating conditions.
As a dedicated Cummins industrial engine supplier in China, HekoPower provides complete, factory-fresh engine assemblies and tailored industrial power units directly from our wholesale supply network to global engineering firms, fleet managers, and machinery distributors.
Tech Specs of Cummins 4BTAA3.9-C110
General Engine Data
Engine Model: Cummins 4BTAA3.9-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: 82 kW/110HP
Rated Speed: 2200 rpm
Max Torque/Speed: 480 N.m @ 1400 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
Technical Architecture & Performance Matrix
Understanding the exact physical and mechanical configuration of the Cummins 3.9L 110HP diesel engine ensures successful integration during field retrofits or fleet replacements.
Comparative Evaluation: Cummins 4BT vs. 4BTA vs. 4BTAA
Industrial operators frequently confuse the variants within the Cummins B-series engine family. When searching for a replacement for a Cummins 4BT engine, it is crucial to recognize how the intake charging systems vary between these generations.
- Cummins 4BT: Naturally aspirated or basic turbocharged setups without charge air cooling. Peak torque profiles are lower, and thermal stress on internal components is higher under continuous heavy load.
- Cummins 4BTA: Turbocharged and Jacket Water Aftercooled (JWAC). This system utilizes the engine's standard cooling liquid loop to lower intake air temperatures, which limits total thermal efficiency.
- Cummins 4BTAA: Turbocharged and Air-to-Air Intercooled (ATAAC). The 4BTAA3.9-C110 configuration passes compressed air through a dedicated frontline radiator structure before it enters the cylinders. This lowers intake air temps significantly more than older 4BTA setups, maximizing oxygen density, yielding a low fuel consumption industrial engine curve, and hitting a peak torque of 500 N·m at 1400 RPM.
Fuel Injection Infrastructure and Governor Controls
The core of this Cummins mechanical diesel engine is its fuel distribution setup, designed to survive low-quality or high-sulfur diesel fuel common in remote mining and construction environments. Unlike newer electronic common-rail variants, the 4BTAA3.9-C110 integrates a high-pressure Weifu fuel pump (specifically the Weifu PW2000 pump fuel system) paired with an RSV or RQV-K mechanical governor control loop.
This mechanical actuation ensures that the engine can be repaired in the field without the need for specialized electronic diagnostic computers or OBD-linked scanner tools. The fuel system consumption rate reaches a highly economical 208 to 210 g/kW·h at peak continuous torque loads.
Application Scenarios & Heavy Machinery Integration
The versatility of the 110HP Cummins industrial diesel engine makes it the primary choice for several critical infrastructure applications. Rather than relying on generic descriptions, the sub-sections below clarify the exact equipment compatibility profiles.
Compaction Equipment & Road Rollers
The high low-end torque characteristics make the 4BTAA3.9-C110 an optimal diesel engine for the LiuGong 6207E roller and equivalent heavy compaction machines from XCMG and Shantui. During initial soil compaction passes, the engine must handle sudden torque spikes without stalling. The 500 N·m peak torque at 1400 RPM allows the hydraulic systems of road rollers to maintain steady vibration frequencies.
High-Volume Water Pump Drive Stations
For emergency flood management, agricultural irrigation networks, or mining dewatering projects, the engine functions as a standalone water pump drive engine Cummins 4BTAA3.9 setup. Configured as a 4-cylinder industrial diesel power pack, it can run continuously at its 2200 RPM rated speed for extended operation cycles under varying head pressures.
Excavators, Cranes, and Specialized Lifting Equipment
The compact footprint of the Cummins 4BTAA3.9-C110 excavator engine allows it to fit neatly within the tight tail-swing radiuses of 13-to-15-ton track excavators, drilling rigs, and rough-terrain cranes. The mounting geometry features a center of gravity situated 262 mm from the front face of the engine block, facilitating stable engine bay balancing in mobile cranes and heavy-duty forklifts.
Maintenance Guide, Replacement Criteria, and CPL Mapping
Maintaining peak uptime requires strict adherence to part-number verification and physical installation boundaries.
Verifying the Cummins 4BTAA3.9-C110 CPL Code Specifications
Before purchasing a replacement engine assembly, fleet mechanics must check the Critical Parts List (CPL) stamped onto the engine data plate. The definitive production matrix for the industrial 4BTAA3.9-C110 relies on CPL codes such as CPL 857-02 (with engine configuration sequence D383055CX02). Checking the CPL prevents discrepancies regarding flywheel housing sizes (typically SAE #3 or SAE #2) and starter motor orientations (12V vs. 24V setups).
Evaluating Genuine vs. Rebuilt Cummins Engines
When sourcing a heavy-duty industrial power solution, buyers face choices between lower-cost overhauls and brand-new units.
- Rebuilt Engines: Often reuse fatigued engine blocks, reground crankshafts, and aftermarket piston rings, which compromises long-term reliability under continuous thermal loads.
- Genuine DCEC Brand-New Assemblies: Every single engine supplied by HekoPower is built with virgin cast-iron blocks, original cross-drilled crankshafts, and genuine Holset turbochargers. This guarantees full metallurgical integrity to handle the structural strains of mining and deep drilling applications.
B2B Export Logistics & Purchasing Framework
HekoPower operates as an established genuine DCEC 4BTAA3.9-C110 exporter, optimizing global freight procedures to keep international shipping fees low and predictable.
Freight Specifications and Packaging
Every Cummins 4BTAA3.9-C110 assembly for sale undergoes strict rust-prevention treatment before being secured inside export-grade, fumigated wooden crates.
- Engine Dry Weight: Approximately 355 kg (bare engine with flywheel and alternator setup).
- Gross Shipping Weight: Approximately 398 kg to 500 kg depending on the configuration of the integrated structural cooling radiator.
- Standard Packaging Volume Dimensions: 778 mm × 753 mm × 882 mm (up to 1100 mm × 950 mm × 1400 mm for complete open-frame power packs).
Lead Times & Global Port Logistics
Orders processed through our China Cummins 4BTAA3.9-C110 factory inventory channels typically carry an export lead time of 15 to 30 working days. Shipments originate primarily from the Port of Shanghai, the Port of Ningbo, or the Port of Qingdao, with complete documentation including Certificate of Origin, original factory inspection certificates, and warranty documentation.
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
What accessories are included in a complete Cummins 4BTAA3.9-C110 power unit?
A complete open-frame engine power pack from HekoPower contains the core engine block assembly equipped with a high-pressure mechanical fuel injection pump, starter motor, battery charging alternator, turbocharger, oil/fuel filters, structural engine mounting chassis legs, an integrated radiator cooling system with a pusher fan, an air cleaner kit, and a basic operational monitoring panel.
Can the Euro Stage II 4BTAA3.9-C110 engine be upgraded to meet Stage III or Stage IV regulations?
No. Because this version relies on a completely mechanical Weifu PW2000 pump and lacks electronic controls like an Electronic Control Module (ECM) or Selective Catalytic Reduction (SCR) exhaust after-treatment, it cannot be modified to meet higher electronic emission standards. It is designed specifically for regions accepting Euro II or Tier 2 configurations for industrial applications.
What is the exact price of a genuine Cummins 4BTAA3.9-C110 engine assembly?
The price varies depending on the final configuration, including choices between a bare core engine and a fully integrated radiator power unit, as well as total purchase volume. Wholesale buyers seeking factory-direct pricing can contact the HekoPower sales department with their exact CPL code requirements for a detailed line-item quote.
How can I identify a 4BTAA3.9-C110 construction machinery engine clone alternative from a genuine DCEC engine?
Genuine Dongfeng Cummins (DCEC) assemblies feature an unalterable laser-etched metal identification plate attached directly to the engine block gear housing, listing the unique engine serial number (ESN). This serial number can be verified via the official Cummins global database. Clone or counterfeit engines often feature riveted plates with incomplete CPL profiles or lack original cast marks on the cylinder head body.
Can this engine replace older 4BT models?
In many cases, yes. However, buyers should verify:
- mounting dimensions,
- flywheel housing specifications,
- radiator compatibility,
- and power matching requirements before replacement.
