Check the listing for details. 1977 GENUINE CATERPILLAR D399 DIESEL GENERATOR ENGINE SET SPECIFICATION BROCHURE. Condition: Used. Listed at 26.95 USD. Here we have up for sale an ORIGINAL 1977 Caterpillar D399 Generator Set Specifications brochure. This obscure 1-sheet brochure has very detailed information about the specifications for these classic generator sets. This is in good shape with NO tears or tatters (edge creases) and is in GOOD 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