Model/serial number plaque says "A" and "H2" is stamped next to it. The serial number stamped is 2983. Another plaque on the frame is readable and gives weight loading information. It was manufactured in Canada and purchased out of Montana many years ago and is currently in Moorhead, Minnesota, USA. There is no hydraulic ram for raising and lowering. Could be restored and used or ??what??. Check all the photos. Call 2 one 8 four 6 nine 1 eight 8 seven.