Drill motor

Professional core drilling motor suitable for holes up to 400 mm, very powerful three-phase core drilling machine, now available in the COMER motor range.

The 3900 watt motor is the most powerful electric core drilling machine available in the entire COMER range. Perfect for very heavy work on brick and hard concrete walls, it is ideal for applications up to a diameter of 400 mm. SUPER 3900 W stands out for its high power in all gears.

The machine is equipped with water-cooled electric motor. The core drilling motor is also equipped with thermal protection on the stator coils to prevent overheating damage.

SUPER 3900 W combined with the COMER range of core drilling machines is the perfect match for all construction companies and cutting professionals.

Technical specifications

Engine:  3900W three-phases

Voltage:  400 V


> first gear  160 g/1’

> second gear 340 g/1’

> third gear 510 g/1’

Bit connection:  1’1/4 external

Maximum diameter of perforation: 400 mm

Dry drilling/water: water

Weight:  19 kg

Standard Equipment

• connection, 1" 1/4

• service key set

• water connection tap

• PRCD differential switch

• anti-lock crown washer

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