31x10.5-15 is the max for a on/off-road use TJ without a lift.
Jeep offered 30x9.5-15 from the factory which is what I'm running on my 97 TJ Sport an it looks great.
The only factory front axle that came in a 2001 Jeep Wrangler is a D30.
The maximum payload of the 2010 Jeep Wrangler is 1118 lbs..
The maximum payload of the 2004 Jeep Wrangler is 800 lbs..
The maximum payload of the 2009 Jeep Wrangler is 1000 lbs..
The maximum payload of the 2011 Jeep Wrangler is 1000 lbs..
The maximum payload of the 2003 Jeep Wrangler is 800 lbs..
The maximum payload of the 2006 Jeep Wrangler is 800 lbs..
The maximum payload of the 2005 Jeep Wrangler is 800 lbs..
The maximum payload of the 2007 Jeep Wrangler is 1000 lbs..
The maximum payload of the 2002 Jeep Wrangler is 800 lbs..
The maximum payload of the 2013 Jeep Wrangler is 1000 lbs..
The maximum payload of the 2014 Jeep Wrangler is 1000 lbs..