This is the original factory parts book for the Caterpillar 955K Traxcavator, form number UEG0008S, revised May 1970, covering serial numbers 85J1 and up. A specific machine serial number, 85J3069, is handwritten inside the front, meaning this book lived with an actual machine. This is a different serial range and form number than the 61H1-series edition, so if you're working on a 85J-series machine specifically, this is the one you need.

The book is notably bilingual, with a full French-language index (Index Alphabétique) alongside the English index, which is unusual and points to Canadian or export use. That's a nice detail for collectors and adds to its documentary interest.

Coverage is thorough: diesel engine, cylinder head and valve mechanism, transmission and chassis, power shift transmission, steering clutch hydraulics, hydraulic control system, and a big attachments section covering multi-purpose bucket, side dump bucket, bulldozer blade, log fork, power take-off, lighting system, counterweight, and more. Every diagram comes with individual CAT part numbers. Printed in the USA by Caterpillar Tractor Co.

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