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Everything You Need to Know about DCEC C280-20 Automotive Engine

Jan 27, 2026 | Standard Products | 0 comments

What is DCEC?

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 HP, meeting China’s NSV, NSVI, and CS IV emission standards, which are widely used in light, medium and heavy-duty trucks, urban bus and shuttle, construction machinery, marine and generator sets.

DCEC Factory
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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 HP.
What is C280-20 Engine?

C280-20automotive engine is a 6-cylinders in line, 8.3 liter four-stroke 114 mm bore and 135 mm stroke, equipped with WeiFu PW 2000 Pump and RQVK governor.
DCEC C280-20 automotive engine comes with a Turbocharger and Air-Air intercooler, with a EUROⅡ post-processor.

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C280-20 Automotive Engine

DCEC C280-20 automotive engine is a 6-cylinders in line, 8.3 liter four-stroke engine with 114 mm bore and 135 mm stroke, equipped with WeiFu PW 2000 Pump and RQVK governor. DCEC C280-20 automotive engine comes with a Turbocharger and Air-Air intercooler, with a EURO Ⅱ 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 C280-20 engine, you are welcome to visithttps://www.dcec-engine.com/dcec-c280-20-automotive-engine/

There are 5 key moments in this video:
0:00 DCEC-Dongfeng Cummins Company Introduction
1:20 DCEC Cummins C280-20 Engine Specifications
2:25 DCEC C280-20 Engine Standard Configuration
3:15 DCEC C280-20 Engine Customizable Configuration
4:30 DuraMac Introduction

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DCEC B series automotive engine is a 6-cylinders in line, 8.3 liter four-stroke engine with 114 mm bore and 135 mm stroke. Equipped with WeiFu PW 2000 Pump and RQVK governor, the engine comes with a Turbocharger and Air- Air intercooler. The prime power range is 280 HP. DCEC C series electronic automotive engine can reach upto EU StageⅡ emission standard, the numbers 30/40/50/60 are the emission standard marks of engine, which means engine emission standards are EU Stage III, IV, V, VI
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For different emission standard DCEC C electronic series automotive engine, the engine itself is the same. The major differences are the after-treatment system and the ECU program.
DCEC C280-20 automotive engine is a 6-cylinders in line, 8.3 liter four-stroke engine with 114 mm bore and 135 mm stroke, equipped with WeiFu PW 2000 Pump and RQVK governor. DCEC C280-20 automotive engine comes with a Turbocharger and Air-Air intercooler, with a EURO II post-processor.
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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 ConeMac at anytime, For more details about our company, products and services, you are welcome to visit our homepage www.duramac.com

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Advantages of C280-20 Automotive Engine

  • More fuel-efficient: Originated from the United States Cummins advanced design and superior manufacture, adapt to the demand of China’s economical improvement, make oil consumption lower 20 % than domestic products.
  • Super power, Low speed power overall upgrade, better starting performance, speed up faster, stronger climbing performance.
  • ∙Excellent reliability, Key parts design reserved fully surplus, strength is over 30 % more than the similar engine, engine life is longer.
  • Lower maintenance and repair costs, Lower maintenance and repair costs, fewer parts quantity and lower use fault Make the engine comprehensive maintenance cost greatly reduced and maintenance time than similar type save 50 %.
  • Excellent cold start performance, equipped with air suction electric preheater and 7.8 kw power starter, completely improves the cold start performance of the engine. Through the arctic village-MoHe of China – 36 °C extreme low temperature validation.
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DCEC C280-20 automotive engine is a 6-cylinders in line, 8.3 liter four-stroke engine with 114 mm bore and 135 mm stroke, equipped with WeiFu PW 2000 Pump and RQVK governor. DCEC C280-20 automotive engine comes with a Turbocharger and Air-Air intercooler, with a EURO II post-processor.


The prime power at 2200 RPM of DCEC C280-20 automotive engine is 280 HP.

The standard DCEC C280-20 automotive engine comes with the following accessories: Air Intake System, Fuel System, Charging System, Oil filter, Lubricating System, Power Output System, Engine Auxiliary Accessories, Fuel filter.

Everything You Need to Know about CCEC Cummins KTA50 Industrial Engine
Committed to providing reliable powertrain system to commercial vehicle manufacturers around the world, DuraMac is a sub-brand of EMAC group that focusing on automotive application.
About DuraMac
Based on dozens of world-class renowned diesel engine manufacturing resources in China, as well as relevant construction machinery transmission, and hydraulic supporting component suppliers, Duramac provides one-stop solutions from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support, ConeMac’s product range are Caterpillar, Deutz, CAMC, Weichai and other well-known brands of construction machinery engines, related accessories and complete power pack.
What DCEC-Dongfeng C280-20 Automotive engine using for?

The DCEC-Dongfeng C280-20 Automotive engine is a highly popular engine model suitable for a wide variety of vehicles. It is extensively used across different applications, including commercial vehicles, buses, school buses, trucks, fire trucks, off-road vehicles, and various vehicle transportation scenarios.

Many world-leading automotive equipment brands also utilize the DCEC-Dongfeng C280-20 automotive engine as the driving power for their vehicles. These include Foton Auman, Dongfeng, Volvo, Ford, Iveco, Ram Trucks, Yutong, and Zhongtong Bus.

Cummins employs a full range of engines for all its equipment. We can supply all models of Cummins automotive engines, including: C280-20, B190-33, EQB125-20, EQB160-20, EQB180-20A, EQB190-20, EQB210-20A, EQB235-20, B170-33, B210-33, EQB140-20, EQB170-21, EQB180-20B, EQB190-21, EQB210-20B, C220-10A, C230-10, C245-20A, C260-20, C280-20, C300-20B, C220-10B, C240-10, C245-20B, C260-33, C300-20A, C325-20, L300-20, L340-20, L360-20, L375-30, L325-20, L340-30, D4.0NS6B195, D4.0NS6B170, D4.0NS6B195-ll, F2.5N56B130-1, F2.5N56B130-1I, F2.5NS6B150, F2.5NS6B170, F3.0NS6B195-1, F3.0NS6B195-lI, F3.0NS6B200, ISF3.8s3154, ISF3.8e4R168, ISB3.9-125E40A, etc.

EMAC is a professional one-stop solution provider for engine replacement in Komatsu, Belaz, Volvo, Hitachi, and Liebherr machinery. Based on original engine technology produced in different engine joint ventures in China, we offerDCEC-Dongfeng, CCEC-Chongqing, XCEC-Xi’an engines to replace the 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 C280-20 Automotive Engine Are Available in China?

There are several different configuration options for the DCEC-Dongfeng C280-20 automotive engine, as listed below:

  1. Standard DCEC Original C280-20 automotive engine without any modifications. This is the most affordable option among all original automotive. 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.
  2. 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.
  3. 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 C280-20 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 C280-20 automotive engines. All customers should clearly understand exactly what product a supplier is offering before focusing solely on the price.

There are lots of trickies to lower down the costs:

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.
A Sad Experiece With Counterfeits DCEC Generator Set
Whoever dealing with Chinese suppliers should always remember that, price is always not a problem with your Chinese suppliers, but trust is the problem! EMAC might can’t give you lowest price, but EMAC never cheat any of customer and always be responsible for all of our business partners.

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.
SANCHAI Copy Cummins Engines
Consumers need to be careful when purchasing Cummins products. SANCHAI has registered a trademark in China under the name Sanchai (CCEC). They copied the products of Chongqing Cummins Engine Company (CCEC) and used the exact same model name.
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.
When dealing with Chinese suppliers, a trustworthy and reliable partner is the key to the success of your business. If you only chase cheap prices, you will pay for the lessons soon or later without a doubt, and sometimes the prices of your lessons could be an Unbearable

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!

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