This document provides specifications for a diesel generating set model SP66 powered by a Perkins engine. It has a prime power rating of 60kVA and standby power rating of 66kVA at 1500rpm. The generator set consists of a 4-cylinder 3.3L Perkins 1103A-33TG2 engine coupled to a Leroy Somer or Stamford alternator for reliable power production. It also includes a base frame, radiator, control panel, and other standard features designed for industrial applications. Optional soundproofing is available for quiet operation.