What model do I have for old snapper

Wpbrink1

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Here are the updated pictures of the mower model in question. I'm hoping by showing the mowing deck it will help you all better to identify the exact model.
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Wpbrink1

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It's most likely a 3311X5S.
So I have an issue with my 3311x5s. When I put it in 1st gear it won't move. Second gear it moves but very very slow. Reverse works good. I have no idea where to start. There is gear oil in the case... I just received a yoke that I haven't installed yet...
 

slomo

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Guy on youtube Jim Jackson has some terrific videos on the RER drive systems. He has all the help you need.
 

Mow Joe

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So I have an issue with my 3311x5s. When I put it in 1st gear it won't move. Second gear it moves but very very slow. Reverse works good. I have no idea where to start. There is gear oil in the case... I just received a yoke that I haven't installed yet...
A couple of things I would check.

Gear shift adjustment - If the clutch is partially over the hole in the drive disc, it won't pull well and the disc won't last.

Worn yoke - This is most likely. Check the slot in the yoke that rocks back and forth when clutching. They get notches worn in them and don't hold as much tension against the drive disc as needed.

Drive disc - I have seen the actual drive disc get worn in one speed area, but this is rare.
 

slomo

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I ground out the rear plate on mine. Where the tubes are that the mower rests on when you lift the front up. Right below the engine. Allows more pushing action on the driven rubber disk to the steel drive disk. No more slipping. Simple cuts with a cut off wheel to mod the rear plate below the engine.
 
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