The robust engine design guarantees high operational safety, also even under extreme conditions when working underground The very compact engine design of the V engine and the integrated cooling system reduce the installation costs. Low operating costs due to low fuel consumption, low amounts of ventilation, as well as long maintenance intervals with low maintenance requirements. Capacity: 1.6 l/cylinder, modular system with single cylinders. Certified in accordance with US-MSHA (Mine Safety and Health Administation).