I still have 3 in my fire dept fleet. An '89 8V92, 500 hp and 12/24 volts. The other 2 are '93 with 500 hp and 12 v start and run. I had an old 6-53 run away about 20 years ago and we had an 8V67 that would occasionally run backwards when we shut it down. Saw ... Login to read more.