Hungarian Army version of the Russian PTSZ-M, Medium Tracked Amphibious Vehicle. Can carry vehicles up to the size of a Csepel D-344 4x4 truck, or 70 passengers. It can also tow a two wheeled amphibious trailer.
Photo taken at Kecskemet, Hungary in August 2010.
See picture #2763
for another photo of this type of vehicle.
Picture added on 14 November 2010 at 12:27