The grey jeep is a CJ3B from the early 1950's to 60's , they are still being manufactured in INDIA and called the Mahindra . The export examples  have a license built Peugot diesel , but the local Indian market ones still use the old petrol F head motor as a option I think . 
Unusual being LHD , must be a private import cos the few local ones sold here by Stokoe motors in Melbourne were RHD. 
Another interesting thing is the RAAF used a few : 
http://www.film.queensu.ca/cj3b/Worl...raliaRAAF.html
http://www.film.queensu.ca/cj3b/Worl...iaHoldway.html
MIKE