Standard generator set comes complete with baseframe style fuel day tank, sound attenuated enclosure
NEXYS control and instrument panel, battery charger, coolant heater
Standard voltage option 400Volts,50 Hz
The above is a guide as generators can be built to your specific requirements.
A huge rage of options are available, including but not limited to:- extended capacity double walled fuel tank,
Electronic governor, upgraded control panel (TELYS 2) (KERYS synchronisation) 
AREP excitation, auto fuel transfer system to name just a few.