It has a one piston engine which is air cooled it’s low noise and it has a 20liters tank it makes low noise it can also be put on an automatic change over its easy to oparet it’ uses disel fuel making it fuel saving it can easily be serviced it’s water resistant because of it’s built structure it can be reliable on because of its low fuel consumption it consumes 2liters per hour it has a warning system which alerts you when it’s time for service