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Description, Operation, and Service Manual with Repair Parts List Type J Clutch for ZC Engines, originally published by FMZ Industries Inc., 1980s. 8½ x 11 paperback, 8 pages.

FMZ was formerly Fairbanks Morse. ZC engines were designed and built for oil field service, pumping wells and rigs. FMZ “developed a clutch specifically for the conditions of oil well pumping.”

Please note that this book is a new photocopied reprint, not an original .

Designed for the twin flywheel type of engine

Close-in drive reduces overhand and stress—best rig line-up

Externally mounted for greater accessibility

Right of left-hand drive for best line-up
Last three pages are parts illustrations and lists, which are NOT dimensioned.