Looks like large two-wheel tractors converted to four-wheel passenger carriers (or maybe factory built), and a four-wheel tractor converted for passengers.
Google translation:
Mr. Fine blessing Pฤฒi Sports Federation President and former Phetchabun province. Texas. Phetchabun with the oven light birds. PAO. Phetchabun. Take the media and the news team "to implement the" Channel 7 broke open forest trails to waterfalls crescent moon. Huay Ka poker set. Main Dan. Nam Nao District. Phetchabun which path from Ban Huay Ka Po to the waterfall is approximately 6 km bumpy rough to use tractors or mini-tractor's only private waterfall crescent moon. Very beautiful During the dry season The turning circle is a beautiful waterfall throated crescent. The rainy season, water flows beautifully again. Mr. Fine said, will push the budget to improve the route. The other car can go up to the waterfall.
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Phetchabun is one of the northern provinces of Thailand.
Bruce
Google translation:
Mr. Fine blessing Pฤฒi Sports Federation President and former Phetchabun province. Texas. Phetchabun with the oven light birds. PAO. Phetchabun. Take the media and the news team "to implement the" Channel 7 broke open forest trails to waterfalls crescent moon. Huay Ka poker set. Main Dan. Nam Nao District. Phetchabun which path from Ban Huay Ka Po to the waterfall is approximately 6 km bumpy rough to use tractors or mini-tractor's only private waterfall crescent moon. Very beautiful During the dry season The turning circle is a beautiful waterfall throated crescent. The rainy season, water flows beautifully again. Mr. Fine said, will push the budget to improve the route. The other car can go up to the waterfall.
=========
Phetchabun is one of the northern provinces of Thailand.
Bruce