About Us
Delivering Cummins Equipment & Service Solutions as a Certified Factory in China
With over 15 years of industry experience,, 4BTDiesel has become a global leader in the remanufacturing and supply of Cummins diesel engines and parts. Headquartered in China with advanced production facilities, we proudly serve customers across North America, Europe, Asia, Africa, and beyond — keeping fleets and heavy equipment running reliably around the world.
From our beginnings in 2010, 4BTDiesel has focused on delivering remanufactured engines, rebuilt components, and replacement parts that meet or exceed OEM standards. Today, we are recognized as a reliable global source for rebuilt and reconditioned heavy-duty diesel engines and parts.
At 4BTDiesel, we believe in more than just supplying engines and parts — we build long-term partnerships that keep industries moving forward. Whether powering trucks, construction machinery, agricultural equipment, or energy projects, 4BTDiesel delivers solutions that our customers can rely on.
OEM Cummins Diesel Engine Parts
A brand built on quality, innovation, and dependability, Cummins has long been recognized as a global leader in diesel power. Renowned for engineering excellence, Cummins was the first to introduce a 100,000-mile warranty — a testament to the unmatched reliability of its engines. From the legendary NH220 to the massive QSK 95-litre V16, millions of Cummins engines power the world’s highways, seas, construction sites, power plants, gas fields, and mining operations.
For over 15 years, 4BTDiesel has served as a trusted source for Cummins replacement engine parts. With comprehensive coverage across the full Cummins range, we provide customers worldwide with the right part, at the right price, backed by expert support. Our inventory includes:
|
B Series |
C Series |
L Series |
M Series |
|
KT Series |
NV Series |
VT Series |
I-QSC |
|
I-QSL |
I-QSX |
QSK Series |
QSV Series |
- B Series
- C Series
- L Series
- M Series
- KT Series
- NV Series
- VT Series
- I-QSC
- I-QSL
- I-QSX
- QSK Series
- QSV Series
At 4BTDiesel, we are committed to helping customers rebuild, restore, and maintain their engines — no matter the size or scope of the project. To learn more about our products and services, contact us at +852-59189938, email sales@4btdiesel.com, or reach us directly through our online enquiry form.
GET IN TOUCH WITH US
If you need equipment advice or just need additional information, we want to hear from you.
Why Choose 4BTDiesel
15+ Years
Industry Experience
150+ Brands
Certified Supplier
2,500+ Vehicles
Restored and Optimized
3,5000+ Parts
Supplied and Replaced
4BTDiesel is operated by a professional team with over a decade of experience in the construction equipment industry, including heavy-duty diesel engine service, remanufacturing, and parts supply. Through years of hands-on industry practice, our team has developed strong expertise in diesel engines, engine components, and global supply chain management.
Certain certifications and quality management credentials are held under AmoParts Limited, an established company with extensive experience in construction machinery parts supply. These certifications, including ISO 9001 and ISO 14001, reflect a long-term commitment to consistent quality standards, reliable processes, and responsible operations.
As a specialized supplier of diesel engines and engine components, 4BTDiesel focuses on continuous product development, technical improvement, and stable quality performance. Over the years, our team has accumulated extensive experience working with internationally recognized engine brands such as Cummins, Perkins, Doosan, and Shanghai Mitsubishi, as well as alternator manufacturers including Leroy Somer and Stamford.
With more than 15 years of industry experience, 4BTDiesel is committed to providing reliable diesel engine solutions that meet global performance standards. Our product range includes complete diesel engines, replacement parts, and related components designed to support maintenance, repair, and long-term equipment operation across construction, agricultural, and industrial applications.
Our Vision, Mission and Values
Our Vision
At 4BTDiesel, we strive to be the world’s most trusted partner for Cummins diesel engines and parts, delivering reliable, high-quality solutions that keep fleets and equipment running smoothly worldwide.
Our Mission
We are dedicated to providing remanufactured engines, rebuilt components, and OEM/ODM replacement parts quickly and efficiently, ensuring every customer receives the right solution the first time — reducing downtime and maximizing operational value.
Our Values
Quality-Driven
We uphold rigorous standards in every part we produce and supply, ensuring durability, performance, and reliability.
Collaborative
We work closely with customers, suppliers, and partners, sharing expertise to deliver solutions that fit every application perfectly.
Integrity
We operate transparently, responsibly, and professionally, building trust with every interaction.
Global-Minded
We combine practical solutions, serving customers across continents while maintaining care and support.
Do You Want to Cooperate With Us?
Establish a long-term partnership with us and we will recommend the right machine list and service solutions for your project plan and budget.
Didn't find what you need? Ask us!
If you did not find what you need and have questions, Speak to our technicians online today to learn more and find the right solution for your needs.