I just got some images of Toyota ground conveyors from their official forklift website:
https://www.toyotaforklift.com/lifts/tow-tractors
I don't know if this will help anybody here identify anything.


Here are some other models:
https://www.toyotaforklift.com/lifts/electric-motor-rider-forklifts

https://www.toyotaforklift.com/lifts/internal-combustion-forklifts-pneumatic-tire


https://www.toyotaforklift.com/lifts/heavy-duty-forklifts


I recently saw somebody leave one of these things on the liftgate of a truck;
https://www.toyotaforklift.com/lifts/electric-pallet-stackers/walkie-stacker
And the first thing I thought was that this had to be the smallest Toyota allowed in the USA.