EY75A8 impact wrench

The EY75A8 is a 18 volt cordless impact driver manufactured by Panasonic.

When sold without battery and charger the model is also referred to as "EY75A8X" or "EY75A8 X".

The machine has a brushless electric motor that can be powered by a 18 volt or 14.4 volt battery.

Panasonic does not state the weight of the machine without a battery, but with a 5.0 Ah battery attached the machine weighs 1.8 kg.

Exterior

The machine has a black and gray color scheme. It has a relatively short motor housing of 143mm from tip to back with the handle placed in the middle under the motor for better tool balance.

The side of the motor housing has the brand logo "Panasonic" on it on gray. The logo is  surrounded by a black square pattern that imitates the look of woven carbon fiber in the 3K pattern, but this pattern is merely decorational and no actual carbon fiber is used in the body.

The battery slides in on in from the front under the handle and there is an optional metal belt hook attached to the side.

At the top of the handle, above the trigger is one white LED that illuminates the working area.

In front of the motor housing is an blank aluminium hammer case with a square 1/2" drive. Panasonic sells an optional adapter to convert it to a 1/4" hex drive.

Operation

The machine is activated by pressing the black variable speed trigger switch. Above it is a gray push button on each side to reverse the turning direction.

To release the bit the bit holder sleeve has to be pulled forward.

At the base of the handle is a push button to select the work mode.

Work modes

The machine has three different work modes with the highest setting being less powerful when a 14.4 volt battery is used.

• Low: 1000 RPM / 1900 IPM
• Medium: 1500 RPM / 2900 IPM
• 18V High: 2500 RPM / 3600 IPM / 280 Nm
• 14.4V High: 2400 RPM / 3400 IPM / 230 Nm

Variants

• EY75A8 XT - unknown variant without batteries
• EY75A8 PN2G - kit with 3.0 Ah batteries
• EY75A8 LJ2G - kit with 5.0 Ah batteries

Panasonic's product page mentions four variants but does not specify what the differences are. Other Panasonic power tools use the suffixes PN2G and LJ2G for kits with two batteries and a charger, so that is assumed to be the case here too. It is unclear what the XT variant includes.