Spokane Propulsion Laboratories is committed to designing and producing specialty tools to get your project completed efficiently and safe.
Use the right tool
Get the job done.
Founded in 2025, Mark Grigoryan was tired of being unable to use the right tools to perform a warranty repair on a diesel truck. An idea sparked, and an entire brand was launched. Our goal is to streamline repairs on heavy to medium duty commercial vehicles leading to reduced downtime and quality repairs.
Below you can find our blog with detailed repair guides for commercial vehicles such as Hino, Freightliner or anything with a Cummins engine.
