Specifications GB4228 GB4230 GB4235 Max.cutting mm 280Â 280W 280H 300Â 300W 300H 350Â 350W 350H Saw blade speed m/min 27/45/69 27/45/69 27/45/69 Saw blade size mm 27 0.9 3505 27 0.9 3505 34 1.1 4115 Working clamping mode Hydraulic vice Main transmission structure Worm gear transmission Band saw blade tensioning method Manual Cleaning Wire brush & flood coolant Main motor kw 2.2 2.2 3 Hydraulic motor kw 0.55 0.55 0.75 Cooling motor power kw 0.04 0.04 0.04 Dimensions(mm) 1860 1000 1500 1960 1100 1500 2000 1100 1700