DCEC Engines (Dongfeng Cummins)
DCEC is Dongfeng Cummins, a Chinese joint venture building Cummins diesel engines. Buy by model and serial number.
Updated . Edited by: Ilyass Ben Hakim.
Where to buy
- Search eBayLive search · ebay.com
- Search AmazonLive search · amazon.com
- Google ShoppingLive search · google.com
- Cummins QuickServe ESN guideOfficial site · quickserve.cummins.com
Complete engines come from Cummins dealers, Dongfeng distributors or engine exporters. Marketplaces mostly list DCEC parts and rebuilt long blocks.
Professional insight
Diesel mechanics order by engine serial number and CPL. Model name alone is never enough.
- Same model can differ in rating, pump and emissions.
- Check mounting points and flywheel housing size.
- Confirm the ECM calibration suits your equipment.
- Ask whether the engine is new, rebuilt or used.
Check the label
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DCEC company facts
- Ownership
- 50-50 joint venture
- Cummins Inc. and Dongfeng Motor Corporation.
- Joint venture formed
- 1996
- Dongfeng licensed Cummins designs from 1986.
- Location
- Xiangyang, Hubei, China
- Older sources spell the city Xiangfan.
Popular models
| Family | Control | Typical use |
|---|---|---|
| B series (4BT, 6BT) | Mechanical | Light trucks, generators, small machinery |
| C series (6CT) | Mechanical | Medium trucks, marine, pumps |
| L series (6L) | Mechanical | Heavy trucks, generator sets |
| ISBe, ISDe | Electronic | On-road trucks and buses |
| ISLe, ISZ | Electronic | Heavy-duty trucks |
| QSB, QSZ | Electronic | Construction and off-road equipment |
Questions for the seller
- What are the full ESN and CPL numbers?
- Is it new, remanufactured or used, with hours?
- Which accessories ship with it, such as starter and alternator?
- What warranty applies, and who honors it?
- Can you provide export and emissions paperwork?
Red flags
- Missing, painted over or replaced data plate.
- ESN on the block does not match the plate.
- Fresh paint hiding oil leaks or welds.
- Seller refuses video of the engine running.
Common questions
- Is a DCEC engine a real Cummins?
- Yes. A Cummins joint venture in China builds it to Cummins designs.
- Do Cummins parts fit DCEC engines?
- Many do, but match by ESN or CPL before ordering any part.
- Where is the ESN on the engine?
- On the data plate first. If the plate is missing, it is stamped on the block.