Case Study: Tianjun’s Wheel Project for the USA

At Mananshan Tianjun Machinery Manufacturing Co., Ltd., we pride ourselves on delivering high-quality railway solutions worldwide. One of our recent projects—supplying metro wheels for a major city in the USA—highlights how experience, precision, and collaboration ensure outstanding results.

Project Overview
The client required a reliable supplier for custom wheels capable of withstanding high passenger volumes and frequent operation. Safety, durability, and compliance with AAR M107 standards were critical. In addition, they needed OEM railway parts designed specifically for their metro system.

Our Approach
Tianjun’s engineering team worked closely with the client from the early planning stage. We provided guidance on material selection, quenching & tempering processes, and precise wheel machining to meet the rigorous demands of metro operations in the USA.

Quality Assurance
Quality was at the heart of this project. Every wheel underwent:

• 100% ultrasonic testing (UT) to detect defects

• Mechanical testing to ensure hardness, toughness, and fatigue life

• Dimensional checks for perfect wheel profile and fit

These steps ensured that the wheels delivered long-lasting performance, high safety standards, and minimal maintenance requirements.

Logistics and Support
Our team coordinated production, packaging, and international shipping, providing transparent updates throughout. We also offered technical support during installation, ensuring smooth integration into the client’s metro system.

Results and Client Feedback
After installation, the metro operator reported excellent performance, noting smooth rides, reduced wear, and enhanced passenger safety. They appreciated Tianjun’s professionalism, proactive communication, and ability to deliver OEM railway parts tailored to their specifications.

Key Takeaways

• Collaboration ensures success: Understanding client requirements leads to solutions that truly fit.

• Standards and quality are non-negotiable: Compliance with AAR M107 guarantees reliability.

• End-to-end support adds value: From design to delivery and technical assistance, a trusted supplier makes a difference.

Conclusion
This project demonstrates how Mananshan Tianjun Machinery Manufacturing Co., Ltd. combines engineering expertise, rigorous quality control, and dedicated client support to provide metro wheels that meet the highest international standards. For USA-based railway operators seeking reliable OEM railway parts and wheels, Tianjun is a partner you can trust.