It takes 2 large cans and possibly a small one.
The Dodge Durango was introduced in 1998, therefore this question cannot be answered as is. However, the 1998 durango had a curb weight of 4689 lbs.
2.0 lbs R134a
Not sure ,but it costs $115 to change mine on my 1998 Dodge Durango.
The 2002 Dodge Durango's engine produces 295 ft-lbs. @ 3200 rpm.
The 2004 Dodge Durango's engine produces 235 ft-lbs. @ 4000 rpm.
The 2007 Dodge Durango's engine produces 235 ft-lbs. @ 4000 rpm.
The 2003 Dodge Durango's engine produces 295 ft-lbs. @ 3200 rpm.
The 2012 Dodge Durango's engine produces 260 ft-lbs. @ 4800 rpm.
The 2001 Dodge Durango's engine produces 295 ft-lbs. @ 3200 rpm.
The 2006 Dodge Durango's engine produces 235 ft-lbs. @ 4000 rpm.
The 2005 Dodge Durango's engine produces 235 ft-lbs. @ 4000 rpm.
The 2009 Dodge Durango's engine produces 235 ft-lbs. @ 4000 rpm.