@ Veitnam, thnx for asking my opinion on this LC model. Firstly, I will say, I am in no way an expert on Land Cruisers. My only research on LCs was done over last year or two on the internet when I was looking to buy one.
Anyway, this pic above that you have uploaded is of 55 series. It was actually the first LC station wagon produced by Toyota. So obviously its old. I think from late 1960s to about 1979 when 60series took over. So some of them may be from even before I was born and probably all before you were born!!
Anyway, despite being old, it should be tough workhorse as its based mostly on 40series, but as was much longer so more comfortable etc. It had petrol engine mainly as far as I know, the F (3.9) and 2F(4.2) engines. Possibly only in last year or two the 2B (3.2) diesel engine was introduced. Most models would have 3 speed gear box and only few the 4 speed one if they are original.
I remember as a young child having a ride in one of them in mid seventies (abroad). Do remember one comment, when one of my uncles said that it was lot more stable and less bouncy compared to Cherolet Blazer and Dodge Ramcharger which were the other vehicles used in that trip. The vehicles were almost new then!
