This document provides specifications for a diesel generator set model SP563 powered by a Perkins engine. It can generate 500 kVA of prime power or 563 kVA of standby power. The generator set includes a 4-cycle, 6-cylinder inline diesel engine that produces 435 kW of prime power. Additional details are provided on the alternator, control panel, soundproofing features, and standard generator set components. Dimensions and weights are listed for open and soundproofed versions.