Pratt & Whitney, an RTX company, successfully tests 3D-printed TJ150 engine

At the Farnborough International Airshow on July 20, 2026, Pratt & Whitney announced it has completed demonstration testing of an additively manufactured variant of its TJ150 engine, positioning the approach as a way to accelerate production and increase industrial flexibility for expendable engines.

Nearly 60% of the engine by volume was produced using additive manufacturing, including major static and rotating hardware. The testing focused on validating material behavior in an operational environment and demonstrating durability aligned with mission demands.

“For expendable engines like the TJ150, where missions can last minutes or hours, simplifying the design and scaling production quickly is essential to meeting rising demand,” said Jill Albertelli, president of Military Engines at Pratt & Whitney. “Additive manufacturing helps us move designs from concept to capability faster, and we are leveraging what we learned on the TJ150 to benefit other programs, including the Pratt & Whitney Valox™ engine family.”

The company said it has made targeted investments to advance additive manufacturing for the TJ150 as part of a long-term producibility and scalability strategy. It has consolidated more than 50 individual hot section components into a handful of additively manufactured parts and successfully tested a 3D-printed rotating turbine wheel, efforts that fed into the recently tested TJ150 configuration.