I HAVE AQUIRED A VICTA UTILITY MOWER.ON THE COWLING IT HAS "SERIES 70 , MARK 2".IT SAID IT WAS MADE BY VICTA FOR "MOWER SPECIALISTS ASSOCIATION OF AUSTRALIA".I WISH TO KNOW APPROXIAMATELY WHAT YEAR IT WAS MADE AND WHAT SIZE THE ENGINE IS.ALSO WHAT TYPE IT IS eg-POWERTORQUE.