Involute's gear boxes are manufactured as per international quality standards which offer speed reduction by directly mounting onto the drive shaft.Shaft Mounted Speed Reducer (SMSR) / Shaft Mounted Gear Units (SMGU) offer easy installation and removal.

The gear units offer carburized gear teeth with optimal gear geometry, allowing maximum loading and highest efficiency torque output, for higher rating capacity in the most compact design and casing.

SMGU is a standard product, which offers low cost maintenance and repair.

We manufacture Shaft Mounted Speed Reducer in 11 sizes from A to L in ratios of 5:1, 13:1 and 20:1