Pre-crushers are used for crushing particles larger than 30 mm in size of the input product.

Single shaft and double shaft configurations are available. Motor size and crusher shaft speed can be selected according to the amount of material you need to crush and the output capacity you need. This helps keep operating costs low.

The double shaft bone crusher transforms the bones of cattle into particles suitable for heat treatment, thanks to its highly wear-resistant blades. Yemmak double shaft crusher makes the heat treatment process more cost effective and energy efficient.