Someone has acquired a surplus Canadian military wrecker. The HLVW, based on the Austrian Steyr Percheron, and devloped as the UTDC 24M32 has been in service since 1990, with some 1200 vehicles of its class with many variants. The heavy 6x6 can also operate as a 6x4 for highway travel.
See more at: http://www.military-today.com/trucks/hlvw.htm
Sydia Bros. Enterprises Ltd of Lloydminster, AB sent their KW dolly / float to pick up the truck which probably came out of Newfoundland.