If you got stucked in snow, or mud then you know very well that normal 4 wheeler doesn’t have enough horsepower to bring you out from snow or mud. ATV are build with enough horsepower to come out from such problems. Avtoros Shaman 8×8, is One of the unbeatable monster among the ATV category.  Russian truck manufacturer Avtoros design Shaman 8×8 all terrain vehicle.  Features which makes giant monster in his category are as below: 

Size: 6 meter long, 3 meter high, 2.5 meter wide
Weight: 2.5. ton
No. Of wheels: 8
Power source: Iveco F1C 3.0-liter turbo diesel
Horsepower: 146 horsepower
Gearbox: ZF 6 S 400 6 speed manual gearbox
Steering system: 3 different steering system
(1) Front 4-wheel drive for on road
(2) Rear wheel steering for off-road
(3) Turns all 8 wheel in sync fro crab mode
Top speed: 80 km/h (50 mph)     

Completely sealed chassis of shaman optimized for floatation on water when needed, and can achieve speeds of up to 7 km/h (4 mph) thanks to its hydraulically driven propeller located on the back. 

This ATV takes 2 months to manufacture which shows that there are plenty option for the customization.