austin western vin decode? prefix K

hello

I'm thinking of buying an Austin western grader serial number K466379A

I can't find it in this list
http://ift.tt/2wueihC GRADER SERIAL NUMBER GUIDE.pdf

its a 6 wheel drive with rippers in back

does anyone have any info on this.. like year, weight, if its a good machine or a piece of junk


thanks
steve
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austin western vin decode? prefix K