Dongfeng Cummins

Discover premium https://deruna.com/dongfeng-truck-parts designed to transform your truck’s parts and performance. Our genuine components combine superior comfort, enhanced durability, and perfect fitment to elevate your driving experience.

Dongfeng Cummins Engine

For decades, Dongfeng Cummins has been the benchmark for heavy-duty diesel engines worldwide. With a legacy dating back to 1986, the joint venture between Dongfeng Motor and Cummins Inc. has produced over one million high-performance engines, trusted by fleet owners, construction giants, and marine operators. Our engines integrate cutting-edge fuel systems, robust turbocharging, and unparalleled reliability to keep your business moving forward. When you need genuine DONGFENG TRUCK PARTS, we ensure every component matches the highest OEM standards. Experience the perfect blend of American engineering and Chinese manufacturing excellence. dongfeng cummins delivers power, economy, and endurance in every single cylinder.

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Core Advantages of Dongfeng Cummins

Ultra-High Power Density

From 60 HP up to 770 HP, our engines provide massive torque at low RPM, ensuring faster acceleration and superior climbing ability.

Green & Eco-Friendly

Compliant with China VI and Euro VI standards, featuring advanced SCR and DPF after-treatment systems for near-zero emissions.

Unmatched Fuel Economy

XPI ultra-high-pressure fuel injection (up to 2400 bar) ensures complete combustion, reducing fuel consumption by up to 15% compared to competitors.

160,000 km B10 Life

Reliability proven through over 40,000 hours of bench tests, extreme climate trials, and millions of kilometers on-road validation.

Best-Selling Dongfeng Cummins Engines

Dongfeng Cummins D2.5 engine

Dongfeng Cummins D2.5 engine

2.5L light-duty diesel, 110-150HP, high torque, ideal for pickup trucks and light commercial vehicles.

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Dongfeng Cummins D6.7 engine

Dongfeng Cummins D6.7 engine

6.7L, 210-320HP, common-rail, Euro VI, perfect for medium trucks and city buses.

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Dongfeng Cummins ISD6.7 engine

Dongfeng Cummins ISD6.7 engine

ISD series, 185-285HP, high-pressure common rail, durable for construction and logistics.

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Dongfeng Cummins ISL9.5 engine

Dongfeng Cummins ISL9.5 engine

9.5L, 320-400HP, heavy-duty, XPI fuel system, ideal for long-haul trucks and coaches.

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Dongfeng Cummins ISZ13 engine

Dongfeng Cummins ISZ13 engine

13L, 400-550HP, 2508Nm torque, XPI injection, premium choice for mining and heavy transport.

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Dongfeng Cummins Z14 engine

Dongfeng Cummins Z14 engine

14L, 520-600HP, next-gen platform, ultra-low emissions, B10 life 1.6M km, for flagship trucks.

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Core Specifications of Mainstream Engines

ModelDisplacementPower Range (HP)Peak Torque (Nm)Fuel System
Dongfeng Cummins D2.52.5L110-150 HP400 NmCommon Rail
Dongfeng Cummins D6.76.7L210-320 HP1100 NmCommon Rail
Dongfeng Cummins ISD6.76.7L185-285 HP970 NmHigh Pressure Common Rail
Dongfeng Cummins ISL9.59.5L320-400 HP1700 NmXPI
Dongfeng Cummins ISZ1313L400-550 HP2508 NmXPI Super High Pressure
Dongfeng Cummins Z1414L520-600 HP2750 NmXPI + Smart ECM

Application Models & Industries

Heavy Truck

Heavy Trucks

Dongfeng Tianlong, Tianjin, 6×4 tractors, dump trucks, concrete mixers.

Bus Coach

Buses & Coaches

City buses, intercity coaches, school buses – D6.7 / ISL9.5 series.

Generator Set

Generator Sets

50kW – 1000kW prime/standby gensets, open or silent type.

Marine

Marine & Construction

Workboats, dredgers, excavators, loaders, forklifts.

motor dongfeng cummins platforms are also widely adopted in special vehicles like fire trucks, refrigerated vans, and agricultural machinery, proving versatility across all sectors.

Cutting-Edge Technologies

XPI Fuel Injection

2400 bar ultra-high pressure for microscopic atomization and complete combustion, reducing soot by 40%.

Holset Turbocharger

Variable geometry turbo reduces lag, boosts low-end torque, and extends engine life.

Intelligent ECM

Real-time monitoring and adaptive fuel mapping for optimal performance in high-altitude or extreme climates.

After-Treatment Integration

DOC+DPF+SCR systems meet the strictest emission regulations globally while maintaining fuel efficiency.

Why Choose Us for Your Dongfeng Cummins Needs

100% Genuine Parts

All components come directly from DCEC authorized supply chain – no counterfeits, no compromise.

24/7 Technical Support

Our engineers provide remote diagnostics and on-site repair guidance for minimal downtime.

Warranty Up to 3 Years

Comprehensive coverage on all major engine assemblies and generator sets.

Global Logistics Network

Fast shipping to over 80 countries with tracking and customs clearance support.

Common Issues & Proven Solutions

Hard starting / No start
🔧 Check fuel system for air or water; bleed air from high-pressure lines. Replace fuel filter if clogged. In cold weather, use intake heater or preheat engine oil to 80°C.
Low power / Black smoke
🔧 Inspect turbocharger for oil seal wear. Clean or replace air filter. Verify injector spray pattern and adjust valve clearance.
Low oil pressure warning
🔧 Ensure oil grade is correct (CF-4 or higher). Check oil pump and pressure relief valve. Replace worn bearing shells if necessary.
Excessive exhaust temperature
🔧 Overload operation or retarded injection timing. Reduce load, calibrate ECM timing, and check for clogged DPF.

Frequently Asked Questions

Q: What is the service interval for dongfeng cummins engines?
A: Standard interval is 20,000 km for heavy trucks, 500 hours for generator sets. Always use genuine filters.
Q: Can I retrofit a dongfeng cummins generator into my existing power system?
A: Yes, our units are parallel-ready and compatible with most ATS/AMF panels. Contact us for compatibility check.
Q: How do I identify a genuine dongfeng cummins D6.7 engine?
A: Check the serial number on the block and verify through DCEC official database. Counterfeits often have poor casting marks.
Q: Does dongfeng cummins 13 litre require special fuel?
A: It runs on standard diesel with sulfur content below 10ppm. For ultra-low emission zones, use Euro VI compliant fuel.

Customer Reviews

“Our fleet of 50 heavy trucks runs on dongfeng cummins Z14 engines. After 2 years, fuel savings exceeded 15%. Reliability is unmatched!” – Logistics Manager, Singapore

“The Dongfeng Cummins ISL9.5 engine runs 12 hours daily in our concrete mixer. Zero breakdowns in 18 months. Highly recommend!” – Plant Director, Nigeria

“We replaced old engines with Dongfeng Cummins D6.7 units. Better torque and quieter operation. Parts availability is excellent.” – Fleet Owner, Brazil

Certifications & Global Standards

Euro VI / China VI

All engines meet the strictest emission norms, verified by TÜV and CCC authorities.

ISO 9001 & IATF 16949

Manufacturing facilities are certified under automotive quality management systems.

Contact Us for Premium Cummins Solutions

Ready to maximize your vehicle’s performance with our genuine cummins? Our powertrain specialists are standing by to help you select the perfect engine or component for your Dongfeng truck, bus, generator, or agricultural machinery, ensuring reliable power and extended engine life.

Whether you need technical specifications, bulk pricing, or assistance choosing the right cummins for your specific model (ISDe, ISLe, ISZ13, D6.7, Z14, or 6BT5.9), we’re here to provide expert guidance and reliable supply.

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Get expert advice on our complete range of cummins components and technical support for all heavy‑duty and power generation applications.

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