If you open the drivers door you will see a sticker on the door jam that will answer your question.
The maximum towing capacity of this 1999 Chevrolet Silverado 1500 is 5,000 pounds. However, a limit of 3,500 pounds is recommended.
The 2014 Chevrolet Silverado-1500 has a V6 engine.
The 2011 Chevrolet Silverado-1500 has a V6 engine.
The 2013 Chevrolet Silverado-1500 has a V6 engine.
The 2003 Chevrolet Silverado-1500 has a V6 engine.
The 2008 Chevrolet Silverado-1500 has a V6 engine.
The 2006 Chevrolet Silverado-1500 has a V6 engine.
The 2005 Chevrolet Silverado-1500 has a V6 engine.
The 2004 Chevrolet Silverado-1500 has a V6 engine.
The 2002 Chevrolet Silverado-1500 has a V6 engine.
The 2012 Chevrolet Silverado-1500 has a V6 engine.
The 2001 Chevrolet Silverado-1500 has a V6 engine.