HYDRAULIC TRACK DRILL MW - 6000 Hydraulic Crawlair 100% Hydraulic The Metalurgica Wolf, laught the beggining of this year for Brazilian market the first hydraulic track, manufacture in Brazil. General Specificaion   Dimmensional Net Weight: 7.420 Kg Length: 5.250 mm Width: 2.260 mm Height: 2.250 mm Top Hammer ** Weight: 150 Kg Bit Diameter: 2.1/2" a 5.1/2"  Diesel Engine ** Type: OM-366 (Mercedez) Power: 136 kw Output: 2.300 rpm Air End Type: Screw Pressure: 8 bar (120 psi) Flow: 250 cfm (7 m3/min.) ** Optional bit diameter until 5.1/2" ** The engine can be optional OPTIONAL Rod Auto Changer Dust Collector System Cab. MW-6000 working Click here for more pictures