"Gearhead spindle with high torque output 498 Nm BigPlus\u00ae BT-50 (BBT-50) spindle for heavy cutting A-shaped column with long Y-axis travel Wide base with 4 slideways in Y-axis (G135, G165) Machine weight:\n10000 kg (G105), 12100 kg (G135), 16500 kg (G165) Vcenter G135"