No, the TRX engine is not a Hellcat engine. The Hellcat engine is a high-performance engine produced by Chrysler for use in its muscle car models, such as the Dodge Challenger and the Dodge Charger. It is a supercharged 6.2-liter V8 engine that is known for its impressive power and performance. The TRX engine is a different engine that is used in Honda's line of high-performance ATV (all-terrain vehicle) models. It is a four-stroke engine that is designed specifically for use in ATVs and is known for its reliability and performance.