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Everything You Need to Know about DCEC L325-20 Automotive Engine

Jan 29, 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 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.
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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 L325-20 engine? DCEC L325-30 automotive engine is a 6-cylinders in line, 8.9 liter four-strokes engine with 114 mm bore and 145 mm stroke, equipped with Bosch P7100 pump and RQV-K governor. DCEC L325-20 automotive engine comes with turbocharger and Air-Air intercooler, with a EURO II post-processor.
DCEC EQB _ B Automotive Engine
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L325-20 Automotive Engine

The DCEC L325-20 automotive engine is an in-line 6-cylinder, 8.9-liter four-stroke diesel engine with a bore of 114 mm and a stroke of 145 mm. It is equipped with a Bosch P7100 injection pump and an RQV-K governor. Featuring a turbocharger and an air-to-air intercooler, the engine also includes a Euro II compliant post-processing system. Its rated prime power is 325 hp at 2200 rpm.
This video including the breif introduction of DCEC Cummins engine factory, and detailed introduction of DCEC Cummins L325 20 Automotive engine. For more information about DCEC Cummins L325 20 engine, you are welcome to visit https://www.dcec-engine.com/dcec-l325-20-automotive-engine/ There are 5 key moments in this video: 0:00 DCEC-Dongfeng Cummins Company Introduction 1:20 DCEC Cummins L325 20 Engine Specifications 2:20 DCEC L325 20 Engine Standard Configuration 3:10 DCEC L325 20 Engine Customizable Configuration 4:22 DuraMac Introduction
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DCEC L series electronic automotive engine can reach upto EU Stage VI emission standard, the number 30/40/50/60 are the emission standard mark of engine, which means engine emission standard are EU Stage III, IV, V, VI. For different emission standard DCEC L electronic series automotive engine, the engine itself are the same, the major different are the after-treatment system and ECU program, EMAC will keep updating products introduction page of different emission standard version engines, welcome to subscribe our website to get latest update information.
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DCEC Cummins L325-20 automotive engine is a 6-cylinders in line, 8.9 liter four-strokes engine with 114mm bore and 145mm stroke, equipped with Bosch P7100 pump and RQV-K governor. DCEC Cummins L325-20 automotive engine comes with turbocharger and Air-Air intercooler, with a EURO II post-processor. The prime power at 2200RPM of DCEC Cummins L325-20 automotive engine is 239 kw.

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As part of EMAC, DuraMac provides complete powertrain that integrated with DCEC engine, Fast-Eaton clutch, FAST-CAT transmission, Dongfeng-DANA axle and Komman air suspension, while the electrification of automobile is the certain future, Duramac also get involved with EV powertrain system. We provide full life cycle services for all customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support. For more information about DuraMac and our related products, you are welcome to visit DuraMac homepage: www.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 L325-20  Automotive Engine

  • The cylinder bore adopts a platform mesh honing design, the perfect geometric structure effectively prevents oil leakage, and adopts advanced technologies such as new piston ring components and gasket crimping molding to reduce oil loss.
  • The cylinder block and cylinder head adopt integrated design, which eliminates the occurrence of engine water leakage and oil leakage. The parts are about 40% less than other similar engines, and the failure rate is greatly reduced.
  • Forged steel camshaft and crankshaft, high-strength cylinder block design, multiple parts cast on the cylinder block, high rigidity, high pressure resistance, good reliability, and longer service life.
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DCEC Cummins L325-20 automotive engine is a 6-cylinders in line, 8.9 liter four-strokes engine with 114mm bore and 145mm stroke, equipped with Bosch P7100 pump and RQV-K governor. DCEC Cummins L325-20 automotive engine comes with turbocharger and Air-Air intercooler, with a EURO II post-processor. The prime power at 2200RPM of DCEC Cummins L325-20 automotive engine is 239 kw. The standard DCEC L325-20 automotive engine comes witth following accessories: Air Intake System, Fuel System, Charging System, Oil filter,Lubricating System, Power Output System,Engine Auiliary Accessories, Fuelfilter.
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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.
Everything You Need to Know about CCEC Cummins KTA50 Industrial Engine~2
Based on dozens of world-class engine manufacturing resources in China, and as official exporting agent of Fast tranmission and Dongfeng Dana axle, DuraMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support.

What DCEC- L325-20 Automotive Engine using for?

The DCEC-Dongfeng L325-20 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 L325-20 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 L325-20 Automotive Engine Are Available in China?

There are several different configuration options for the DCEC-Dongfeng L325-20 automotive engine, as listed below:

  1. Standard DCEC Original L325-20 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.
  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 L325-20 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 L325-20 automotive engines. All customers should clearly understand exactly what product a supplier is offering before focusing solely on the price.

There are lots of tricks to lower down the costs:

1. Assemble Engine: This means companies who assembly the L 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.

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.

When you dealing with Chinese suppliers, a trustworthy and reliable partner is the key to success of your business, if you only chase for cheap prices, you will pay for lessons soon or later without doubt, and sometimes, the prices of your lesson could be Unbearable loss. 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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