Wiperdrive Group Of Companies manufactures Gearbox Modular with Worm Hear Stacked. Wiperdrive Group Of Companies has achieved ISO 9001: 2000 certifications. Gearbox Modular with Worm Hear Stacked has come up with an innovative solution of variable drive variation at very low rpm. Gearbox Modular with Worm Hear Stacked comprises of a basic P.I.V. Unit on top of systematic structure. The advantages of the gearbox modular are Immediate delivers, compared to normal four months delivery schedule, individual components are detachable, and thereafter easily accessibly to maintenance and replacements. Change of axis and shaft handing is also possible.