For demanding military applications, GEP's new Optimizer 6500™ V8 turbo diesel engine is the perfect direct "drop-in" solution with the best weight-to-horsepower ratio in its class at a fraction of the cost of competitors. MORE >
Optimizer 6500™ V8 Turbo Diesel Engine


General Engine Products (GEP) is a world leader in diesel engine innovation and production. The evolutionary development of GEP engines is inspired by our legendary Humvee® powertrain heritage. And we continue to push past convention for the benefit of our customers. The latest result is our revolutionary new Optimizer 6500™ V8 turbo diesel engine. As you'll see, it truly is "The Engine of Change" that now sets a new benchmark in powertrain performance and value.