4.4 Husky..It has a Tillotson carb and the same 4 bolt hub used by Precision Eagle..Precision Eagles were Sachs, the Husky 4.4 was most likey made by Russel Stoltz at Challenge Tool..I think Russ made the Precision Eagles for Don Kanak, Precision Eagle...The Husky Challenger engines were Husky cylinders with Challenge cases...Looks like the case is from the chainsaw, maybe an early version of the Challenger...
Look for 52 ZN 22 W5 cast on the base of the Mahle cylinder...4.4 Husky....
