This document provides specifications for a 250kVA diesel generating set model SDO250 powered by a Doosan engine. It can provide 228kVA of prime power or 250kVA of standby power. Key specifications include an 1800rpm Doosan 6-cylinder engine, Leroy Somer or Stamford alternator, base mounted ComAp control panel, and standard voltage regulation and frequency control capabilities. The generating set has a soundproofed version available with robust construction and black finish components.