The ‘Davies and Daughters Towing Company’ just helped out ZESA and collected a nice heavy 3 phase 50 KVA transformer using the flat bed trailer. Then hauled it up and swapped it out with the 10 KVA unit.

Arcing horns on the 50 KVA oil immersion transformer
This thing weighs in somewhere around 550 kg including windings and oil.
Thank you ZESA!