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equipment wheel loads

equipment wheel loads

equipment wheel loads

(OP)
I am designing a slab on grade that needs to support a Cat 966H loader. I have operating weight, wheel base etc. but I cannot seem to find an unloaded center of gravity for the equipment. I need to determine axle loads to calc wheel loads for the design. Any suggestions?

RE: equipment wheel loads

Well, their catalog said little:
Weights
Operating Weight 23 698 kg 52,254 lb
• For 4.25 m^3
(5.5 yd^3) general purpose bucket with BOCE

The 52,000 was a filled load, and the "Operating Specifications" call for a

Static Tipping Load, Full Turn 34,120 lb
Breakout Force 42,300 lb

from : http://xml.catmms.com/servlet/ImageServlet?imageId...

so I'd guess you have to use the heavier load - unless you can absolutely guarantee that nobody is going to drive with a loaded bucket over the slab. Ever.
Worse case, i'd drive one at the Cat dealer over a truck scale with the front wheels, then with the rear wheels. Then do it again with the bucket extended full out: front and back wheels again. If the bucket is empty, and the bucket is not extended, then the most weight (2/3 maybe ?) is from the engine and frame and will be on the rear wheels.

RE: equipment wheel loads

I've always taken the tipping load and the weight of the machine and assumed both of those are carried on only the front wheels at the moment of tipping.

RE: equipment wheel loads

(OP)
Thanks,
After much research I ended up using bootlegend's method.

RE: equipment wheel loads

Well, that's true: Worst case will be a fully loaded, tipping forward so all of the weight is divided between the two front wheels.

But is that a realistic load for the slab in question based on the position of the slab in the work area? In other words, although that is a worst case load, will you end up building a slab for a load twice the "nominal weight" of a loaded machine balanced on 4 tires?

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