I figured it must be in the west,midwest area ,as both machines have thiokol,lmc, blades. Here in the northeast most had valley engineering attachments made in Grey,Maine.I think the guy behind the machine is just taking a picture,no cable in sight.
Those early 3700's with the AC motors wouldn't like those type of slopes, the ones we had all came down with crankshaft issues at around 3000 hrs. Don