To find the exact towing capacity for *your* specific 1994 Chevy Suburban Silverado 1500 4x4, you need to:
* Check the sticker: Look for a sticker on the driver's side doorjamb or the glove box. This sticker will list the GVWR (Gross Vehicle Weight Rating), GAWR (Gross Axle Weight Rating), and often the towing capacity.
* Consult the owner's manual: Your owner's manual should specify the towing capacity for your particular vehicle configuration.
Without this information specific to your truck, I cannot provide a definitive answer. However, expect the towing capacity to be in the range of 5,000 to 7,000 pounds, but this is just an estimate and may not be accurate for your vehicle. Always refer to the documentation mentioned above.