D3 STEERING CLUTCHES

The D3 and D3B and D3C models were originally dry type steering clutches and changed to the oil steering clutches later in their series.

The Dry Clutch D3 79U series and the D3B 23Y series used composite friction discs, qty (7) 8E4075 (earlier part numbers of 6Y4912 or 6S3183) per clutch and qty (6) steel separator plates (2H6936) per steering clutch. You will almost always have to replace the fiber discs, but the steel plates are usually reusable. If the steel plates are damaged, by scoring, warping, or just plain old wear they should be replaced.

The Oil Clutch style of steering clutches used different discs and different quantities.  One complete steering clutch used Qty 9 friction discs 6Y7914 (Earlier P/n's 5K8616 or 3A2858 were replaced by the 6Y7914) and Qty 9 Steel discs P/n 5K8616.  There was also a special plate, P/n 5V0593, a little heavier than the normal friction disc, and one per clutch was used.  (earlier P/n's replaced by the 5V0593 were 4K1333, 9K5484, and 2Y5134)

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Contact John Parks at 1-208-342-8911
General Gear and Machine, 733 Desert Wind Rd.,
Boise, Idaho, 83716  US

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