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thirdjoker

42 inch deck idler assy

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thirdjoker

I'm a little confused about the idler pulley and bracket assy on my 1965 big ten. I am in the process of getting my tractors (1965 Big Ten and 1965 101) ready for cutting season.I bought new belts- both have 42 inch decks.

The 101 has a idler arm assy with a tensioner spring. but the Big Ten doesn't. It just has a pulley mounted on a stud that slides in a slot in the deck top.I had to pry on it to get it tight.

Also there is no hole for the pivot point for a idler arm and no spring. Is That correct or am i missing something. The only label on the deck is manufactured under 2801510-2869399-2924928.

Can anyone help me figure it out? thanks

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B10Dave

The original stamped decks had the slot. Next generation had the pivot bracket and spring. I am guessing the deck on your BigTen is not the original. It is one that probably came on an early B10 after they stopped making the bolt together decks.If you get the pivot bracket and spring you can convert it...Dave

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dentwizz

I converted all of mine to the spring type, though the rigid had its advantages. In my case I like the no-adjustment, but the rigid is less susceptible to resonance/bounce.

Scag mowers still use bolt idlers without springs for that reason. It is a bit more cumbersome to set up but it keeps all of the blades in phase better. That exibits as a 'chatter' mark in the mowing under certain circumstances.

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