A heavy-duty 3-speed 2500 W combined dry and wet drilling motor for drilling up to 220 mm dry or wet in reinforced concrete, with 250 mm possible wet + impact. Its soft percussion function enhances both dry and wet drilling. Its convertible port allows vaccuum connection for dry drilling, and water feed for wet drilling, allowing the motor to keep its wet drilling capabilities, while adding the capability to drill reinforced concrete dry. Wide speed range allows outstanding performance with small and medium diameters.