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Davis..... ..this is a FAQ and is most likely the dealer installed auxillary transmission commonly refered to as a "Sherman". Shermans came in 3 styles; ovedrive, underdrive, and 3-speed combo. Most late model N-Tractors have the combo. The sherman replaced the short drive shaft between the clutch and the tranny. Altho there are some that claim the sherman replaced the tranny long input shaft. Same effect what ever you call it, more useful gearing. How-some-ever, shermans don't really make your too high geared N-Tractor a roto-tiller machine, ya' need the now rare "Howard" gears to do that. The 3-speed combo and 4-speed main tranny gives your 8N 12 foward speeds and 3 reverse speeds. I am embarrased to admit that I had my 8N 4 years before I found the "direct" range on my sherman, so I am going to share with you the "secret". With the Sherman in "neutral", pull out to the side about 1/2 inch and then pull back like for overdrive. If your tranny hasn't been exercised in neutral and direct drive, it may be a little stiff. Speed ranges are somewhat like this: 1st under, 1st direct, 2nd under, 1st over, 2nd direct...etc... I find I do most of my N-Tractoring in "under" except when I go down the main road to the local to gas up, then it's 4th OD at near idle is fast enuff for me with ol' shakey for steering and 2 wheel rear brakes. Hope this helps..... ..Dell
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