"Deas wrote:

Hi, gary in CA.
It was scrapped in 1983.

Just my 0.02.

Thanks
I was hoping it was on display somewhere

The way you said ..............IT...........was. I take it only one of the 90 yards model built.

Hi, Ray54.
I have no idea how many of the 90 cu. yd scrapers were built. I don't imagine that it would be a lot 'cos of the power and traction needed to load them, even with thta second engine driving the rear wheels. It takes a fair bit of grunt to get a full load in a Cat 660 with a 54 cu. yd bowl.

How much more to pack almost twice as much into a 90 cu. yd bowl? Two D11s in tandem?????????????????

Just my 0.02.

I am quite certain Euclid also made one factory triple bowl scraper but like many of their prototypes it never made it into mass production. If I remember right they make mention of it in my pictoral Euclid Book. There might even be one picture of it. I'm not home so can't get to my library right now.

Hi , here is a picture of the early sixties . Probably this MRS is one of the biggest single bowl scrapers . It had some 600 hp in the tractor and about the same in the scraper rear axle .
It took 3 Euclid TC 12's to get a heaped load . It is unbelievable that rhese machines had no cabs and , what is more important , operators did not have any ear protection .
Note the weight transfer ram between the tractor and the scaper's goose neck . Later we found this system on the Cat 666 , where it was called traction control , and not to forget , on the first DD9's .
The Netherlands , johan7 .

Hi, Johan7
Thanks for that photo. Those 3 X TC12s look a little 'inconsequential' behind that scraper with its load and the MRS 250 tractor. As I understand it, the rear engines on those MRS 90 cubic yard scrapers were 430 horsepower, more than any of the D9s except the D9L.

Just my 0.02.

This is getting interesting so I had to Google MRS which stands for Mississippi Road Supply

A few pictures I found

Hi, gary in CA.
I see you've 'gone fishin'. Good catch. Thanks for sharing.

Yep, MRS was a fairly 'busy' company in its day. Apparently some of its scrapers were made for them by Wooldridge but I gather they made some themselves too, along with a good few models of mostly industrial tractors.

Just my 0.02.

This had the load transfer cylinder. Was MRS model 125 if remember correctly. An attempt was made to pull LP scraper, a horse head looking part was welded to gooseneck that cylinder was pinned to. Don't recall ever being used to move dirt. Tractor did pull a 50 ton trailer nicely. Picture 1953 or 54.

Hi, dpan.
If I remember correctly. MRS used some International diesels in some of their early tractors and used an International style radiator grille in those models. That looks like it could be one of those tractors if the grille is any indication.

Just my 0.02.