-Honda OHV 4-stroke EngineProvides high power, outstanding fuel economy.Fuel consumption is nearly 30% less than comparable side-valve engines.-Automatic Voltage Regulator(AVR)ELEMAX's AVR smooths power output fluctuations to enable operation of sensitive electronic equipment.-Large Fuel Tank17 liter fuel tank for SH3200EX,SH3900EX and newly developed 28 liter fuel tank for upper model realize exceptionally long operating hours.-10% to 25% Increased Output Power Compared to DX series *1Rated output power has been increased from 10 to 25% compared to DX series.This power up is provided by newly designed Sawafuji square core alternator.-New Designed Control Panel *2Not only new attractive outlook design, safety and water resistance are also improved.-Improved Frame DesignWelded upper bar and widen diameter of the frame pipe are significantly improved the outlook image and protect the machine from rough handling and damage.