Kioti DK65 Cab R4 Wheel / Tire

[CinderSchnauzer]

My son has a 2006 Kioti DK65 Cab with the R1 Ag tires. He wants to switch. Does anyone have a set of R4 Wheel / Tires for sale? Rims alone might be preferable for shipping purposes.

Front 14x x17.5
Rear 18.4 x 24

If so please send me a PM with particulars and contact info.
Anyone know the bolt pattern specs and if rims from any other Kubota or ??? will fit.

Thanks