Class III; 2 in. Receiver Hitch Class III; 2 in. Receiver Hitch; Rear; 5000lbs. Gross Trailer Weight; 500lbs. Tongue Weight; 5500lbs. Weight Distributing; 550lbs. Weight Distributing Tongue Weight; HUMMER H3 ALPHA BASE CHAMPIONSHIP SERIES X 2006 2007 2008 2009 2010 3.5L (3460cc) 3.7L LLR Vortec (223) 5.3L GEN IV LH8 Vortec (325) 5.3L GEN IV LH9 Vortec (325) FLEX GAS Curt Manufacturing CURT Manufacturing Class III 2 Inch Receiver Hitch - 13270 13270 Receiver Hitches