Advanced Power Dynamics Inc. (APD) is dedicated to maintaining standards of process and quality products.
As part of the INPS Group, APD remains committed to delivering high-quality locomotive components that meet or exceed industry standards. With a strong focus on precision processes and consistent quality, APD provides rail customers with dependable alternatives for critical engine spares.

710 Cylinder Head, Liner & Piston
We are proud to provide our clients with an alternative to the OEM quality standards. Featured products include 710 Cylinder Head, Liner and Piston— APD’s Liners include laser-hardened surface and Mae West profile for enhanced durability.
Proudly serving the rail industry, APD invites clients to explore our full range of power solutions. apdinc.com
Call us today to learn more about our Power Solutions.

This is why APD is The Right Choice!
Achieving a cylinder liner to meet APD’s standards requires at minimum the following 14 standards to be met.
- Specifications for welding symbols
- Specifications for brazing welds
- Specifications for part identification
- Specifications for cleaning castings
- Specifications for bead blasting
- Specifications for casting liners
- General tolerance specifications
- Specifications for cylinder liners
- Specifications for re-working cylinder liners
- Source approval for casting requirements
- Specifications for laser hardening
- Specifications for honing cylinder ID & MAE west profile
- Requirements for hydrostatic testing
- Full critical to feature (CMM) measurements

Stephane Claveau, VP Technical Sales said:Moving freight forward, one locomotive at a time.
Why Choose APD?
Providing Customers with Strategic Sourcing and Engineering Solutions Over 50 Years of Expertise in Locomotive Parts and Services
APD is an INPS Group Company, specializing in strategic locomotive engineering solutions.
We provide locomotive spare parts and sub-assemblies that operators require for reliable uninterrupted in-service operation. These cover most of GE, EMD and Alco locomotive components.
Solutions Experts – Providing Certified Parts For Your Fleet Contact: [email protected]
This article was originally published by INPS Group.