Treads - what is it?

Andy JH · Nov 27, 2009

Reading the owners manual for the B7100D I noticed that above the Tire specifications was a set of figures for Treads.

F 825mm (32-31/64")
R 650-700mm (25-19/32", 27-9/16")

Any idea what they are refering too?

The Tire specs are:
F 6-12 2Ply (20.5x8-10)
R 8-16 4Ply (29x12-15)

I have read all the tire threads here but might have missed some, Like everyone else a while back I am trying to match up front and rears for 4WD use. Found some great info so far but wondered if this 'Tread' spec might be something to consider.

Cheers,
Andy

B2400 · Nov 27, 2009

The rear seems awfully narrow, but I believe they are refering to the width that you can move the tire/rim assy to make tractor more stable.

KubotaSam · Nov 28, 2009

B2400 said:
The rear seems awfully narrow, but I believe they are refering to the width that you can move the tire/rim assy to make tractor more stable.

My b7100 operators manual gives the treads spec as 26", 28", 30" .for the rear. Not being able to get an exact measurment but just eyeballing from the back with a tape measure it looks like the holes in the axle shaft that let you adjust the width of the rear wheel hubs are the same distance apart as the numbers listed. So it is my guess that B2400 is correct. Althought the actual outside width of the tire is much greater than the distance specified as "Treads"