Is there a difference between Miller Maxstar 161 STL and Maxstar 150 STL?

This manual provides parts information for the Miller Maxstar 161 S, STL, and STH series. While a dedicated Maxstar 150 STL manual was not located, the Maxstar 161 STL shares the same core design with STL designation and may share similar components and specifications. For model-specific differences, refer to the full user manual on MillerWelds.com.