DCEC mainly manufactures DCEC designed medium and heavy-duty engines, which include B, C, D, L, Z series,covering displacement of 3.9L, 4.5L, 5.9L, 6.7L, 8.3L, 8.9L, 9.5L a13L and power ranged from 80 to 680 horsepower, meeting China’s NSV, NSV, and CS IV emissiorn standards, which are widely used in light, medium and heavy-duty trucks, urban bus and shuttle, construction machinery, marine and generator sets.
Company Introduction: DCEC Engine Company
DCEC ISB3.9-125E40A automotive engineis a 4-cylinders in line, 4.5 liter four-strokes engine with 102 mm bore and 120 mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISB3.9-125E40A automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor.
ISB3.9-125E40A Automotive Engine
DCEC ISB3.9-125E40A automotive engine is a 4-cylinders in line, 4.5 liter four-strokes engine with 102 mm bore and 120 mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISB3.9-125E40A automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor.
There are 5 key moments in this video:
0:00 DCEC-Dongfeng Cummins Company Introduction
1:20 DCEC Cummins automotive Engine Specifications
2:30 DCEC automotive Engine Standard Configuration
3:20 DCEC automotive Engine Customizable Configuration
4:35 DuraMac Introduction
DCEC ISB3.9-125E40A automotive engine is a 4-cylinders in line, 4.5 liter four-strokes engine with 102 mm bore and 120 mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISB3.9-125E40A automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor.
The prime power at 2500 RPM of DCEC ISB3.9-125E40A automotive engine is 123 HP.
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- Advanced electronic control integrated system share information among high-speed datalinks, to ensure that the engine maintains the best operating status, effective fuel savings and low emissions under various loads.
- With higher injection pressure up to 1600 bar, High Pressure Common Rail Fuel System features more precise control of injection timing and amount of fuel, more complete combustion, broader economical fuel consumption zone tremendously enhanced fuel economy, thus further improving low-speed performance, and resulting in better noise reduction and cold start performance.
- Fast startup, good acceleration and gradeability, superior torque output at low speed.
- Highly integrated engine subsystems can realize excellent power, ultra long service life, and long maintenance intervals.
- Advanced electronic control integrated system, large-capacity electronic control module, collect information from all drive train components such as electronic gearbox, ABS brake and ASR anti-skid through standard data bus, forming a seamless information flow…
The prime power at 2500 RPM of DCEC ISB3.9-125E40A automotive engine is 123 HP.
The standard DCEC ISB3.9-125E40A automotive engine comes witth following accessories: Air Intake System, Fuel System, Charging System, Oil filter,Lubricating System, Power Output System,Engine Auiliary Accessories, Fuelfilter.
The DCEC-Dongfeng ISB3.9-125E40A automotive engine is a highly popular engine model suitable for a wide variety of machinery. It is extensively used across different applications, including mining dump trucks, excavators, bulldozes,dredgers, dredging pumps, mud pumps, and in oil and gas fields.
Many world-leading construction equipment brands also utilize thhe DCEC-Dongfeng ISB3.9-125E40A auomative engine as the driving power for their machines. These include Belaz and Komatsu mining dump trucks; Komatsu, Hitachi,Volvo, and Liebherr excavators; and Liebherr mining dump trucks.
Komatsu employs a full range of engines for all its equipment. All Komatsu engine models can be replaced by engines produced in China, including: SA6D95L-1，SA6D102E-1，SA6D108-1，SA6D110-1，SA6D125-1，SA6D125E-1，SA6D125E-3，SA6D140-1，SA6D140-2，SA6D140E-1，SA6D155-4，SA6D170-A-1，SA6D170-B-1，SA6D170E-2，SA6D170E-3，SA8V170-1, SAA6D95LE-1，SAA4D95LE-3，SAA4D102E-2，SAA12V140Z-E2，SAA6D102E-2，SAA6D107E-1，SAA6D108E-2，SAA6D114E-2，SAA6D125E-2，SAA6D125E-3，SAA6D125E-5，SAA6D140E-1，SAA6D140E-2，SAA6D140E-3，SAA6D140E-5，SAA6D170E-2，SAA6D170E-3，SDA12V140-1，SDA12V140E-1，SDA6D140E-1，SDA6D140E-2， SDA6D140E-3，SL4D130-1，VTA-1710-1.
EMAC is a professional one-stop solution provider for the engine replacement for Komatsu, Belaz, Volvo, Hitachi, Liebherr machines .Based on the original engines produced in different engine joint ventures in China, we offer DCEC-Dongfeng, CCEC-Chongqing, XCEC-Xi’an engines to replace original engines on these machines.
Based on the customer’s original engine serial number, we can check and confirm the old engine’s configuration in our system. We then provide a one-stop engine replacement solution encompassing design, engine supply, modification work, and installation/commissioning support. We can also provide on-site installation and commissioning support with our professional engineering team for an additional charge.
How Many Different Options for the DCEC-Dongfeng ISB3.9-125E40A Automotive Engine Are Available in China?
There are several different configuration options for the DCEC-Dongfeng ISB3.9-125E40A automotive engine, as listed below:
- Standard DCEC Original ISB3.9-125E40A automotive engine without any modifications. This is the most affordable option among all original automotive engines. However, customers may face numerous problems during the replacement of the old engine due to differences in many connection points and external parts. Its low cost is because it includes no additional charges for modification accessories.
- Modified engine according to the original serial number, but supplied WITHOUT the flexible coupling (often mistakenly called a flywheel) and the engine fan clutch. Customers can install this engine as a replacement without issues but must reuse the flexible coupling and fan clutch from their old engine, as these parts are typically still in good condition and are very expensive to purchase separately. This engine incurs additional modification costs but helps reduce overall expense by avoiding the purchase of the costly flexible coupling and fan clutch.
- Modified engine according to the original serial number and supplied WITH all necessary accessories. This is the most expensive option but is very convenient for the customer. No additional work is required; the customer simply removes the old engine and installs our engine into the machine.
Why Are There Such Significant Price Differences for the DCEC-Dongfeng ISB3.9-125E40A Automotive Engine?
Price is never a definitive barrier with Chinese suppliers—you can find virtually any price point you seek, especially on platforms like Alibaba. If you are solely price-oriented, you will find corresponding offers.
There are many reasons behind the low prices of some DCEC-Dongfeng ISB3.9-125E40A automotive engines. All customers should clearly understand exactly what product a supplier is offering before focusing solely on the price.
There are lots of tricks to lower down the costs:
2. G-drive Modifed Engine: As informed ealrier, G-drive engine is designed for running at fix speed, which have lowest material standard with much cheaper prices.
3. Copy Engine: There are lots of companies in China living on produce copy engines, you can read attached files to learn more about copy engine market, you can also watch our National TV news about policeman arrested people who make copy engines: https://youtu.be/0y-OXQv4bms?si=2yeTHAnFiNZ5mOxN
Dongfeng offers technical support to help customers to identify if the engine is genuine or not, for more details about how to identify Dongfeng Genuine Engine or not, you can read our relevant article to find out details.
EMAC can’t give you solution or answer for CHEAP products, but if you need reliable partner, EMAC is your best choice with highest quality standard, and reasonable prices. MOST important thing, EMAC always do what we say, and we never trying to cheat our customer, and we will not do this forever, we are doing our work as lifetime career, not as short-run business that only chase on quick money!
