Well, O.M. set us straight on that application, and it's interesting to know you can install one on that series and it's no problem for the bevel gear case on those, when you look at them from a section view in the old sales literature, they sure look heavily built, but having no clue myself, only thing similar I've seen up close is the top half of a D6D off for steering clutch work, played assisant with the shop mechanic, before it came to the shop I had to finish the job I was on with one side out could only turn one way. Even on those later ones, not very often you saw them with a ripper attachment, multi shank is also nice for scarifying hard packed material when re-grading a road or it's been dry for awhile. I'm honestly not sure how one breaks the main shank on those big ole rippers, when in rock it's a real rough ride as is, set your shank and adjust for max. depth, or what will yield to the down pressure, sometimes angling it inward toward the tractor, put er in gear and keep your hands off the steering levers. There comes a point where you have to stop, the tips start wearing or coming off, time to start drilling and blasting, been there and done that, not worth the abuse on the tractor. Shale was always more fun, that and frost, just have to keep the frost chunks away from the cut, so they don't get jammed in a scraper bowl etc. What is amazing is the depth you can sink one of those, hard solid rock, frost was a joke to these things, they really make use of power and the weight of the tractor. Though I did finally realize that on every crew I've ever worked on, or would work on, they'll eventually hire some hot shot "knob" who will damage or break something expensive before they realize it was a bad move to hire the person. Well it took a caved in bucket on a 235-C, a borrowed machine, (the boss had a lot of connections when additional equipment was needed and were fortunate to have the 2nd 235 on site). That and a dropped water main valve, (expensive one too) was what it took to get rid of this guy. I would have honestly said, how do you cave in a 235-C bucket, (sidewall was totally collapsed), just put some idiot in the seat and watch him try and bang through hard rock, some people don't know any better, but any decent operator would have stopped, was short trench for an outlet in the retention pond we built, 17 feet of rock, one blast was 300 lbs and 12 blasting mats, the 8K would only scratch the surface. Great name for a blaster too, J.F. MINES.
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