These are Differential Cases which house the Bevel Gears and Pinions. These are SG Iron castings procured from some of the most reputed foundries in India & China and machined to extremely close tolerance.
Solo manufactures in excess of 600,000 Differential cases per anum. or more than 50,000 per month. There are already 8 types of different case designs being processed for various customers.
Looking at the increasing volume of these components a new plant with multiple integrated lines, manufacturing Case Differentials from Casting to finished product, has been set up and takes the capacity to 1 million cases per year and more.