Avg lot last year was about $26.1K , this year $30.6K. Of course depends on the equipment mix. What also has a big effect is their "purchase for sale" lots. If prices were higher than they expected this could have a big effect on the bottom line.
Weakness may be caused by 1) investors who don't understand good times/bad times nature of their business 2) mention of 13% est growth rate rather than the 15% they have held forth for the last several years. 3) Cap ex in the range 100-150M/year, several years ago they were talking 50-100 /year. 4) This is a long term investment - ask yourself where will they be 6 years (not 6 months) from now.
Expect div increase to .085-.09 on the new shares. .09 would be 12% increase in line with earnings growth.