Motor Frame 6 x 16 Stud Plus Four Buffers

The Motor Frame 6 x 16 Stud Plus Four Buffers (set 1113-1) was released by the LEGO Group in 1974 as part of the specialized technical components range. It emerged during a transitional period for the company, as they sought to provide hobbyists and model builders with a sturdy, modular foundation for motorized locomotive and vehicle projects. The piece represents the utilitarian design philosophy of 1970s LEGO engineering, prioritizing structural integrity and compatibility with the burgeoning train and gear systems of the era.

This component was designed to function as the chassis for motorized creations, featuring pre-molded mounting points and the signature 'plus four' buffer arrangement that allowed it to integrate seamlessly with the existing train track gauge. It was primarily marketed to dedicated enthusiasts who were moving beyond standard brick construction into mechanical modeling. While it is rarely discussed as a standalone artistic achievement, it remains a hallmark of the company's early efforts to introduce standardized mechanical chassis, serving as a reliable building block for complex custom builds.