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Discussion Starter #1
I purchased my first used Troy Bilt rototiller this weekend and I need some help with figuring out what belt it will take and how many. I am positive it is a horse but I can't figure out the model. The model number isn't readable, but I am going to keep scrubbing tomorrow when I get a different brush. For now, I am just looking for general knowledge.

First, when did they switch from two belts to one belts? Can you tell if it uses two belts or if it only uses one from looking at it.

Second, do all horse models use the same model of belt. If it uses two belts, are they the same model?


Thanks for the help in advance.
 

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You may have to take a wire wheel to that area to bring out the serial #. That may require removing a couple of arms etc. to get room to work on the area.
Mar 78, serial # 314151 was the first 1 belt 4 speed.
Regards,
Ford
 

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Okay, I think I have the serial number, I scrubbed with a wire brush until my are fell off. It looks like it is serial number 355050 and it has a 6hp tecumseh engine. Can anyone help me with a belt number and manual?
 

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Now we're getting somewhere (sorry 'bout your arm):
Your 355050 was mfg between 10/78 (350985) and 11/78 (357514).
That should make it a Horse II, 4 speed, 1 belt.
The 2 pulley belt grooves in both pulleys are of different diameters,
so by moving the belt from one to the other, you get a different ratio
(and speed). That, plus the hi/lo lever gives you 4 different ground
speeds and time speeds. It's all well explained in the Owners Manual.

Personally I have never found it necessary to change belt ratios, but
then, I'm a "low gear/low range kinda' guy".

As to the belt #, I'll leave that for others to comment.

I will say this much, however. Get a Genuine Troy Bilt belt !
The jip-joint el cheapo belts will not cut the mustard. One
REAL belt (properly adjusted) will outlast several cheap ones.
The reason can be seen in the Horse I version. There they used
a matched pair of belts due to the power stress on them. So
when they went to the one belt system (Horse II and beyond)
it is vital to get the best belt possible.

There is always the good knowledgeable folks over at the
Troy Bilt Tiller Club on yahoo. (Ya', I know, yahoo!). It's a
bit of a pain to log in etc. but in the long run the amount
of expertise can't be beat.

My 2 cents (free)
Regards,
Ford
 

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Discussion Starter #5
Thanks for the help. One mystery solved, now I just have to figure out the belt model number and get a manual. By the way, I did join the yahoo users group last night so I am sure you will see me posting there also.
 

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Give Bill Rogers (moderator, 800 # at top of page there) a call.
Good guy, easy to talk with and will have the info instatnly.
Ford
 
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