CAT CT-681 Heavy Haul Tractor Apr 13, 2021 16:56:17 GMT -7 Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Robert on Apr 13, 2021 16:56:17 GMT -7 No, CAT doesn't make a CT-681 tractor of any type. In my world I do.Yes, the mirror mounts on the real trucks are strange roof to cowl mount things. I see from the pics that I have some touch up to do on the mirrors.