8011 rear tyres

[brenten5]

Time has come to replace the rear tyres on my 8011 it currently has 23.1-30 tyres on it and I can't really afford to replace 2 $1500 tyres plus tubes, so I'm thinking of going to the wreckers and seeing what they have in the way of wheel and tyres and weights in a smaller size, what sizes were fitted to most 8011s I don't really need the tyres as big as they are but still need something sturdy for sides of the hills for slashing and clearing

 

[Renze]

thats an odd size, no currently standard size exchanges with those rims. Are you in Australia ?

 

[brenten5]

Yes sorry should have mentioned I'm from Australia, back in the day this size tyre was plentiful and cheap nowadays they r rare and expensive, got new ones priced yesterday at about $2000ea with tubes, to much for my liking

 

[Renze]

Ah, re reading your question you ask what the standard size was for a 8011 ? depending on year and country, it was anything from 16.9-34, 16.9-38 or 18.4-34 either bias or radial.

 

[brenten5]

Ahh ok they all seem like a much nicer tyre size, I think any of the above would be better than these big fat expensive things I currently have

 

[brenten5]

Do u think the 16.9-38s would fit under the mud guards of a no cab zetor , the mud guards seem to be lower on them than their cabbed counterparts

 

[Renze]

A 23.1-30 is 1700mm high and a 16.9-38 is 1652mm high (theoretically) so they should fit.

 

[brenten5]

Ok next question, how universal is the wheel stud pattern, do I slickly need zetor wheel centres to fit or is it a universal pattern, also. Would like to know if my cast centres will fit any other rim size?

 

[corundal]

My 12045 has 23.1/18 x 34's. Used to be the standard tyre for big tractors in Australia. Made by Olympic. Now Olympic is closed. The tyre moulds were sold to Goodyear India. That's the tyres I bought, over $2000 and hard to get.
The Aust. pamphlet says the 8011 had 18.4/15 x 34.
I don't know if the wheels from the smaller tractors interchange. My 6745 has 16.9/14 x 30 that are about $700 and easy to get. The 8540 had 16.9/14 x 34 in Aust.
The later big ZTS used a 32 inch rim here.

 

[Renze]

UR1 and UR2 bolt patterns are not the same, but UR2 and UR3 are. From the top of my head UR1 is 8x M22x1.5 at 220mm circle, and UR2 is the same but 275mm circle.

The 8x M22x1.5 at 275mm circle is the most widely used rim pattern on allmost any 16.9R38 tire available. 9 out of 10 100-150hp tractors have it.

 

[brenten5]

Thanks for the reply again, sounds like it shouldn't be to hard then to get a set of rims that should fit, I will take this information to the wreckers and see what they come up with

 

[corundal]

Have you got the heavy cast centres?

 

[brenten5]

Yes I do