Gear size 313 REMARK: The gearboxes has to be assembled and painted in our workshop. Ratio from i=4,14 up to i=2187 Torque from 17.100 m2(Nm) to 55.000 m2(Nm) depending on ratio and n2xh. Output: Hollow shaft Ø140 for scrink disc or N120x3 with spline, output shaft Ø140 with key or W120x3 with spline.