An ER 250-4 mounted on a 7 ton mini-excavator was used to cut approx. 2,000 slots in Petuelring (Munich). The slot dimensions were 0.6 x 0.7 x 0.3 m and the drum cutter managed 20 to 25 slots/day.www.erkat.de cutters, cutting, Demolition, drum, Forestry, Foundation, Refurbishment, rotary, Special, trenching, tunnelling, Underwater, Work