Hi

Whill Model R is max 147kg

https://whill.inc/jp/model-r

It is better to try diet before visiting

https://www.accessible-japan.com/renting-wheelchairs-hoists-japan/
https://jp-store.whill.inc/model-f-daily.html

Both HP may help for rent.My job (Asumi Transportation )is Wheelchair Friendly Taxi near Narita.
If you need Taxi , pls contact us by what’s up or message.
asumi.transportation24@gmail.com

If you have problem for rent, we can support.