Check the listing for details. 1960 CATERPILLAR ENGINE DIVISION "JUDGING ENGINE QUALITY" BYRNE MACH SPOKANE WA. Condition: Used. Listed at 18.95 USD. Here we have up for sale an ORIGINAL 1960 Caterpillar Engine Power "Judging Engine Power" (Form 40-20185-DN935). This obscure booklet contains 27 pages and must have been a freebie from Byrne Machinery located in Spokane and Ritzville, WA. Book compares the values of diesel vs gas and shows curves and ways to figure out hp costs. This is in excellent shape with NO tears or tatters and is in NEAR MINT-MINT overall condition. We have acquired a massive 400+ Caterpillar brochure stash from a one time CAT dealers' estate. Please check out all of our other CAT auctions as there are some rare, dealer-only pieces. These date from the 1930's-1980's, are mostly in fantastic shape, and will all sell at AUCTION (some people have forgot what Ebay started from). These are all starting at $19.95 with NO reserve & FREE S & H. International buyers will only pay one shipping fee, no matter how many you buy. Happy Holidays and Happy New Year! Thanks for viewing.............Triple K