I just purchased my 1st BC skid steer today and it will be delivered in a couple days. It is an 843, [said to be 1988 +/-] with an isuzu dsl engine. Naturally it needs a bath, but ran well and looked like some effort was made to keep it mechanically sound. I copied what I thought was the serial # to get a jump on ordering new filters etc, but #503728972 has proven worthless so far. Any ideas on what year/model this is since there are multiple 843 reference out there. Also in terms of fluids and filters, what recommendations would you all have on getting her refreshed for winter use. Appreciate any thoughts you can share. Thanks!