Putting a new tire on existing rim while still on mower (actually a chipper/ shredder

[Gearjammer]

Is it possible? I got the old one off, but can't seem to stretch the new one enough to get the bead pried over the rim. Same size tire. What's the trick??

 

[ILENGINE]

Something to lube the rim and smaller bites at the tire. Put two tubes in tires on a tiller today while on the tiller because they will never come off the axle.

 

[SeniorCitizen]

That portion of the tire that is put on first must go to the recessed portion of the rim.