Worldwide Power Products sells several used Caterpillar power modules and an auxiliary transformer. The power modules include 3516 DITA and 3516B engines driving 1750 kW, 2000 kW, and 2500 kVA generators. The modules have electric starters and Woodward or electronic governors. The auxiliary transformer is oil cooled and steps down primary voltage of 13800/7970 to 480 volts secondary.