Changing wheels

[oakleaf]

My MF 575 is on 13.6x38 and the tyres are totally gone in both sidewall and thread. Been on the lookout for 2nd hand replacements for a bit.
Have been offered a pair of 16.9x38 wheels & tyres at decent price.
I know 16.9x34 would be the correct size for this tractor but would there be any issues in fitting the
38 's ? other than maybe having to fit larger fronts.
It is only 2 wd. There seems to be plenty of room under mudguard.

 

[MF-ANDY]

I thought the original size for a 575 was 12.4x36. Didn't go to 13.6x38 till 590.

 

[oakleaf]

I thought the original size for a 575 was 12.4x36. Didn't go to 13.6x38 till 590.

TBH l am not really sure. All l know is when we bought it at 10 years old in 1988 it came on 13.6x38
12.4x36 seems very small for a 66 hp tractor even in 1978.

 

[SMID]

Always felt 575s were under tyred 12.4 11 x 36 or 16.9 x 30 was the normal !8.4 15 x 30 and 750 x 18 on the one here helped a bit similarly the 590s were on 18.4 x 34s and 900 x 16 fronts . with the big wheels on the back and 10 x 16 on the front to balance it up it would be a better tractor.

 

[Exfarmer]

If the tyres fit under the mudguards , you are good to go. But you will be 4-6 inches higher which may give issues for trailers, implements, pick up hitch etc.
it will probably push up speed by 30% if I remember correctly, which can affect pulling on hills or draft work

 

[oakleaf]

If the tyres fit under the mudguards , you are good to go. But you will be 4-6 inches higher which may give issues for trailers, implements, pick up hitch etc.
it will probably push up speed by 30% if I remember correctly, which can affect pulling on hills or draft work

Really , you sure thats right?30% seems a big increase.

 

[rob h]

Used to be a couple of 575 s on neighbouring farms from new and both had 13.6 38. Always made our 565 look small on 13.6 36

 

[norse]

Neighbours had a 565 in 12.4x36,a 575 on 13.6x36 and a 590 on 13.5x38s,allcame on those sizes from new.

 

[Strungup52]

And just to give another alternative, our 565 came new from Dobby’s in 1980 on 14x30s, 7.50 x16 fronts and with an 80 loader. Lasted to about 1500hrs and something in the multipower pack blew apart, metal fragments throughout the transmission, went for a ride on a boat!!!

 

[Thick Farmer]

If they fit put them on.

 

[multi power]

If the tyres fit under the mudguards , you are good to go. But you will be 4-6 inches higher which may give issues for trailers, implements, pick up hitch etc.
it will probably push up speed by 30% if I remember correctly, which can affect pulling on hills or draft work

Height will increase by 2 inches, speed by 12%

 

[multi power]

@oakleaf it will work fine, assuming there is room under the wings, and check the door will open ok, I've done similar on my 398