This document provides specifications for a Deutz SD55 diesel generator set. It has a 50kVA standby and 40kVA prime power rating powered by a 3-cylinder Deutz TD226B-3D engine. Key details include engine specs, alternator specs from Leroy Somer or Stamford, an AMF20 ComAp control panel, and standard features like a soundproof enclosure option. Dimensions and weights are also listed.