Change Gears for 9 inch Workshop Lathes
Quick Change Gear Box for 9" Model A
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The quick change gear box provides 40 changes for threads and feeds as listed on the index chart below. Right and left hand screw threads, 8 to 224 per inch, are instantly available without changing a gear. Coarse threads, 4 to 7 per inch, are obtained by using a 40-tooth stud gear, supplied with lathe. All gears in the gear box are made of steel.

This gear box is designed for cutting all English and American standards screw threads. For those desiring metric system screw threads, we can supply metric transposing gears, or a metric lead screw and quick change gear box.

Double Tumbler Gearbox.

Note:  We no longer carry parts for a single tumbler gear box.

Change gear equipment for Models B and C  9" Workshop lathe
All 9" Workshop Model B and Model C lathes are equipped with a set of independent change gears, which provide a wide range of screw threads and turning feeds. Model B lathes have an automatic apron, providing instantanteous power lognitudinal feeds or power cross feeds. On Model C lathes, the power lognitudinal feeds are obtained by engaging the half-nut and lead screw. The cross feed is hand operated on Model C lathes.

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Headstock Apron Change Gears
Workshop Lathe Catalog Numbers Workshop Lathe Specifications
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