Toyota used to offer lil smokeys:
The 1hdt and the 12ht.
If you want a diesel toyota, got to Alberta or b.c. with $7500 for a hdj 81 or hi 61. Do a truck conversion, which is super easy. Or, buy an fj 45 pickup and slap a 12 ht and 5 speed h55 in er.
You'll get more satisfaction than crying on the internet.
Driving from the right hand side is no big deal. Mine towed a 24 ft twin axle trailer with my 1976 3/4 ton dodge plow truck.
Long since sold, but my hdj 81 was imported from Japan. It had a full floating rear axle, a heavy duty transmission, lockers front and rear and a nice inline 6 Toyota turbo diesel.
It was not a wallowing marshmallow, like what we get in the United States.
I'm over land cruisers nowadays though, because 67-72 chevys with built 292 inline sixes and one ton axles will stomp the expensive land cruiser bullsht. Not to mention, 1/4 the price to build. They look better too.
Try going to napa for a fuel filter for a 1hdt