MTD 956-0012A Murray Craftsman Snowblower 6.75 Friction Disk with 6 Sheave NLA admin July 19, 2026 Comments Off This is a hard to find friction disk from an early 90’s MTD snowblower. It has a smooth bearing and measures 6.75 in diameter. This is the older version which has the 6″ pulley sheave, the newer ones are 6.5″.