I've encounter wet stacking in two different diesels when they got idled considerably.
One was a turned up Detroit 4-53 two stroke, the other was a way warmed up Deere 4430 id you goosed that throttle you could feel fuel drops raining down on you. I day when it was idleing while we were doing something else (I don't even recall what that was) when we got back to it was blubbering away and had fuel running down the stack. Gently opened the throttle up and had a fuel shower for a bit, when it quite raining hooked it up to a wagon and took her down the road by the time she got to the field with the empty wagon got the loaded one and got it hauled to the farm she was right back to normal. That was a 125 hp tractor turned up for pulling with a different pump and she maxxed out a 300 hp dyno, then my brother had it turned down a bit to "just" a bit over 200 hp.