You've got the plugs scoped out pretty well, Ron, and she'll hold five gallons of fresh. If you're gettin' a lot of lumpy crud when you drain it, you might want to put the drain plug back in after you've got six or eight quarts out, and top it off to the level plug with kerosene and run it around easy for a while, enough to warm it all up and stir things up. This would just to help wash some of the sludge out.On mine, I drained it after that exercise, and poured about a gallon of kerosene straight through from the fill on the top with the drain open, just to wash even more sludge out of the bottom, and then replaced the drain plug and refilled it with 90W. Of course, I washed out enough crud that I developed a slow (tolerable) leak on the left axle seal! 8^( So your mileage may vary. But you will find 90W or 75/90 is much less dear in the five gallon pail than by the quart.
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