From Original 1960's DC Machines
To New Energy Efficient AC Gearless Machines
From 1960's Generator Control
To Latest Microprocessor and VF Drive Controls
From Obsolete 1980's Equipment
To Latest Microprocessor Controls & Drives
From Original 1980's Machines
To Latest Fully Compliant Machines
Top of Car Pre-Moderisation
Fully Compliant Top of Car Post-modernisation
From Origianl Outdated DC Machines
To New Energy Efficient Gearless AC Machines