Only the truly insane could look at the 777-horsepower Ram 1500 Rumble Bee SRT and think, "Boy, I wish it had a little more grunt." The tuner's newest super truck, called the Maximus, will take the Rumble Bee to a new level with power and performance we've never seen in a pickup truck before. Breaking Two Big BarriersHennessey Maximus Ram SRT Rumble Bee Teaser HennesseyHennessey let loose very few details about its upcoming truck, except to say that the supercharged Hellcat V8 under the hood would produce 1,000 hp. The Hennessey Maximus could very well break two important records for pickups. The sport truck will go into production before spring 2027, so we expect customer deliveries to start by summer.