Funny, the Deer in the OP's picture looks exactly like my MTD except for the paint. Been a good machine for, um, 24 years now. Just do the book maintenance and touch up the paint at the end of the season. For skid shoes I weld on a chunk of 1/4 inch bar stock every couple years. And adjust the skids every so often (say once or twice a season up here) to save grinding down your shave plate.
Don't drive it too hard with chains. Remember tire slippage was considered in not overstressing the drive line.
