Gear size 306 REMARK: The gearboxes has to be assembled and painted in our workshop. Ratio from i=3,60 up to i=2916 Torque from 3700 m2(Nm) to 10.000 m2(Nm) depending on ratio and n2xh. Output: Hollow shaft Ø90 for scrink disc or A70x64 with spline, output shaft Ø80 with key or B70x64 with spline.