Check out DriverSide.com- enter your year/make/model and click on the specs tab to find out all you could really need to know about your Ram truck. That really didn't tell me the payload that i could hold.
The approximate curb weight of a 1998 Chevrolet 1500 is 4,144 pounds. The maximum payload of the truck is 2,056 pounds.
The maximum payload of the 2014 Nissan NV200 is 1500 lbs..
The maximum payload of the 2009 Ford Explorer is 1500 lbs..
The maximum payload of the 2013 Nissan NV200 is 1500 lbs..
The maximum payload of the 2002 Toyota Highlander is 1500 lbs..
The maximum payload of the 2003 Toyota Highlander is 1500 lbs..
The maximum payload of the 2010 Ford Explorer is 1500 lbs..
The maximum payload of the 2007 Toyota Sequoia is 1500 lbs..
The maximum payload of the 2001 Toyota Highlander is 1500 lbs..
The maximum payload of the 2006 Toyota Land-Cruiser is 1500 lbs..
The maximum payload of the 2007 Toyota Land-Cruiser is 1500 lbs..
I have never heard of a mixer on a dodge truck.