cgallamore Posted May 24, 2011 Share Posted May 24, 2011 I80 near wy. i passed two sets of three brand new very heavy spect. macks all red i guess granite or GU, all had 20,000 steers, maybe heavier. the neatest thing they were all tri drives, maybe 18 ft. of frame. they appear heavier than mixers. Quote http://www.bigmacktrucks.com/uploads/1272400769/gallery_4852_794_314995.jpg Link to comment Share on other sites More sharing options...
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