Product Especifications MODEL GBM60 GBM90 GB1T GB2T GB3T GB4T Impact Energy .......................Ft-Lbs 300 400 481 740 1,036 1,332 Operation Wieght....................... Lbs 140 230 230 660 820 1,270 Operation Oil Pressure................psi 1,070 -1482 1,400-15600 1,280-1,700 1,350-1,900 1,450-2,030 1,900-2,175 Oil Flow Rate............................gpm 4-8 5-9 6-13 9-6 12-22 16-26 Blow per Minute........................bpm 800-1,400 650-1,200 550-1,100 450-1,000 470-950 480-850 Hieght with Tool.........................inch 38.3 41.2 45.4 53.6 56.7 69.3 Tool Diameter..............................inch 1.57 1.77 2.36 2.75 2.95 3.54 Weight of Carrier.........................lbs 1,100-5,500 2,200-7,700 5,500-12,000 8,800-15,400 12,200-19,800 3.54 85 DB(A) Radius .......................... m - - - - - -