Do you know anything about this 'mystery machine' found in Mesa?

A "mystery machine" was found on a street in Mesa, and authorities are asking the public's help finding its owner.

The mysterious piece of equipment was found along the north side of McKellips Road just west of the intersection with Higley Road in September.

It is extremely heavy and appears to be custom-made, according to the Mesa Transportation Department.

Anyone with information can email Kimberly Nelson at kimberly.nelson@mesaaz.gov or call 480 644-6553.