Yanmar introduces the diesel-driven YDG Series that consists of YDG2700, YDG3700 and YDG5500. The YDG2700 is the smallest unit measuring 25.6 by 16.4 by 19.7 inches and weighs 141 pounds with an output of 2.5 kW. The mid-size YDG3700 measures 25.6 by 19.5 by 20.9 inches and weighs 181 pounds. This unit also has an output of 3.7 kW. The YDG550 (pictured) is the largest unit in this series of generators and measures 28.3 by 18.9 by 22.8 inches with a weight of 243 pounds. All three power plants are designed for a maximum engine speed of 3,600 rpm and operate at a decibel rating of 92, 93 and 96 respectively.