Ran across these books that are extra to me. IT4 traxcavator installation instructions, HT4 traxcavator parts book (HT4-101 to HT4-2800 & 35C1 to 35C5307) andNo. 20 Scraper parts book (11C1 to11C1011). $50 for the 2 traxcavator books and $40 for the scraper book plus postage. - Wally