Need more info like the model, the cab and bed style.
14.6 qts
1000lbs
mmcda
@ 13000 lbs from the hitch 16000 lbs from the 5th wheel.
8000l bs
mmcda
It should hold 10 quarts of oil.
ABOUT 5,000 LB THAT IS WHAT MY 1999 WILL DO
about 8200/8400 lbs
towing capacity is 2000lbs
The 8.1L tows about 12000-14000 pounds
http://en.wikipedia.org/wiki/Chevrolet_Silverado The 3500 is a Heavy Duty truck by default, towing capacity should be over 16k pounds.