Does anyone know where I can buy either pneumatic or solid wheelbarrow tyres?

Thanks for any info you can give.

Global has a big selection........DoHome, Home hub, etc etc all have a variety. You may have to improvise on the fit, but you should be able to find what you need. Bring your old wheel with you so you can compare.

To add to my post above......many years ago I bought a dolly with pneumatic tires......after about 5 years of hard yard use, the tires wore out. I tried everywhere to find new ones.......struck out. My only option was to use some ?similar? sized hard rubber tires.....a set with bearings would have cost me about 500 baht. I opted to buy a new dolly, identical to my old one with pneumatic tires, for around 900 Baht.