The larger leaf - spring design supports increased rear gross axle weight ratings across the board. (topspeed.com)
The heavy - duty Snowplow Prep Group features a transfer case skid - plate and a Gross Front Axle Weight Rating of 7,250 lb (3,289 kg) on 4500 and 5500 models. (ramtruck.ca)
Although the basic design is carryover, the new front suspension system offers up to a 25 - percent greater front axle weight rating of up to 6,000 pounds front gross axle weight, allowing a snow plow to be used on all 4WD cab configurations with the available snow plow prep package. (fourwheeler.com)