What is DCEC?
DCEC Engine Co., Ltd. (DCEC), located in Xiangyang, Hubei Province, is a 50/50 joint venture between DCEC Inc. and Dongfeng Automobile Co.,Ltd. In 1986, Dongfeng Automobile Co.,Ltd. signed a license agreement with DCEC Inc. for B-series engines. DCEC Engine Co., Ltd. was established in June 1996, with registered capital of over 100 million US dollars, land area of 270,000 square meters, and 2,200 employees.
Company Introduction: DCEC Engine Company
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 and 13L and power ranged from 80 to 680 horsepower.
What is ISDe185-30B Automotive Engine?
DCEC ISDe185-30B automotive engine is a 4-cylinders in line, 4.5 liter four-strokes engine with 107 mm bore and 124 mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISDe185-30B automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor.
ISDe185-30B Automotive Engine
DCEC ISDe185-30B automotive engine is a 4-cylinders in line, 4.5 liter four-strokes engine with 107 mm bore and 124 mm stroke, equipped with Electrically Control High-pressure Common Rail, DCEC ISDe185-30B automotive engine comes with turbocharger and Air- Air intercooler, with a EURO III post-processor.
This video includes a brief introduction of the DCEC Cummins engine factory and a detailed introduction to the DCEC Cummins automotive engine. For more information about DCEC Cummins automotive engine, you are welcome to visit https://www.dcec-engine.com/dcec-isd4-5-series-automotive-engine/
There are 5 key moments in this video:
0:00 DCEC-Dongfeng Cummins Company Introduction
1:20 DCEC Cummins ISD4.5 series Engine Specifications
2:30 DCEC ISD4.5 series Engine Standard Configuration
3:10 DCEC ISD4.5 series Engine Customizable Configuration
4:20 DuraMac Introduction
DCEC ISD4.5 series automotive engine is a 4-cylinders in line, 4.5 liter four-strokes engine with 107 mm bore and 124 mm stroke. Equipped with Electrically Control High-pressure Common Rail, engine comes with turbocharger and Air- Air intercooler. The prime power range is from 103 HP to 200 HP.
As part of EMAC, DuraMac provides complete powertrain that integrates with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobiles is the certain future, DuraMac also gets involved with EV powertrain systems. You are welcome to visit DuraMac homepage:www.duramac.com.
We provide a variety of vehicle options, including electric, fuel, hydrogen fuel cell buses and school buses, etc.
“A promise is A promsie”, EMAC continuously upgrade our products design and quality standard. We will continuously improving our product quality and service standard to meet the satisfactions for customers from all over the world.
Thanks for your time with us, welcome to contact DuraMac at anytime, For more details about our company, products and services, you are welcome to visit our homepage www.duramac.com



Advantages of ISDe185-30B Automotive Engine
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, shared through high-speed data communication interface , To ensure that the engine maintains the best working condition during operation, maintains high efficiency and low emissions under different load conditions, and has self-protection and intelligent diagnosis functions such as anti-vibration, anti-overheating, anti-overload, and excellent reliability and durability.

From Dongfeng Cummins engine, to FAST-CAT transmission, from FAST-EATON clutch to Dongfeng Dana axle, DuraMac strictly choosing our partners, high quality standard ensuring the high performance and high reliability of products.

Working closely with our business partner including Dongfeng Cummins, Fast-CAT, Dongfeng Dana and Komman, DuraMac supplying complete powertrain system for all kinds of automotives including buses, trucks, coaches and special vehicles.
DCEC ISDe185-30B automotive engine are found in nearly every type of vehicle and equipment on earth – from emergency vehicles to mining haul trucks, it has been committed to providing customers with high performance, low operation cost, low emissions automotive engines.
Lots of world leading construction equipment brands also using DCEC-Dongfeng Cummins ISDe185-30B automotive engine as the driven power for its machines, including Belaz mining dump truck, Komatsu mining dump truck, Komatsu excavator, Hitachi excavator, Volvo excavator, Liebherr mining dump truck and Liebherr excavators.
Komatsu also using full ranges of engines for all of its equipment, all of Komatsu engine models are able to replace by the engines produced in China including SA6D95L-1SA6D102E-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 customer’s original engine serial number, we can check and confirm the engine configurations of old engine in system, and then provides one stop engine replacement solutions from engine replacement design, engine supply, modification works, installation and commissioning support. We can also provides onsite installation and commissioning support with our professional engineering team with additional chargers.
How many different options for DCEC-Dongfeng ISDe185-30B automotive engine available in China?
There are below different options for DCEC-Dongfeng ISDe185-30B automotive engine as below:
- Standard DCEC Original ISDe185-30B automotive engine without any modifications, this is the cheapest engine amoung all of original industrial engine, but customer will have lots of problem in replacement of the old engine, due to lots of connections and outer parts differences. This is quite cheap due to no additional costs for modificaitons accessories.
- Modified engine according to original serial number but without flexible coupling (People call it flywheel but its not, just looks like flywheel), and engine fan clutch, customer can install this engine to replace without any problem, but have to use the flexible coupling and engine fan cluth from old engines, because these two parts usually maintain very good conditions on the old engine, and its very expensive to purchase these two parts. This engine need additional costs for modifications, but still can reduce the costs by not buying expensive flexible coupling and engine fan clutch.
- Modified engine according to original serial number and with all accessories. This is most expensive option, but very easy for customer. Customer don’t have to do any additional works, just take old engine out and put our engine in the machine.
Why there are so many different prices for DCEC-Dongfeng ISDe185-30B automotive engine?
price is never the problem for Chinese, you can get whatever price you want, especially on alibaxx.com, you can find whatever price if you are price oriented.
The are many secrets behind DCEC-Dongfeng ISDe185-30B automotive engine cheap engines, all of customers should be clearly understand what exactly products suppliers offers, before you concern about prices.
1. Assemble Engine: This means companies who assembly the EQB/B engine with parts at workshop outside, this is normally related to reconidition engines as well, which they will use lots of 2nd hand parts to lower down costs, and for the new parts, they also using the copy parts.
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!












