You'll be fine. I run my ITP 589 M/S when plowing, most of the time in 2wd. The quad is a beast with those tires on it.
2011 F150 CC/6.5" Bed, EcoBoost - tint, LineX, Access cover, tow mirrors, Harley tail lights
2007 Honda Foreman 500 - ES, 4X4, ITP 27's on Delta Wheels, 52" Cycle Country plow, front basket, Moose rear bag, Viper winch