When it comes to getting the job done it s the heavy-duty truck you can rely on. Long-lasting and dependable the 2013 Silverado 2500HD is engineered with durable advanced technology primed and perfected from a long line of trucks built on performance: Duramax diesel the legendary Allison transmission along with sturdy framework and secure trailering features work to keep it all under control. Wherever the job takes you Silverado is there to get it done with you. Silverado 2500HD Regular Cab with a diesel engine can tow up to 17 800 lbs. The Regular Cab equipped with a gas engine has a maximum payload capacity of 4 212. The Tow/Haul Mode enhances performance while pulling a trailer or hauling heavy loads. When activated this feature modifies the automatic transmission shift schedule and helps reduce throttle pedal activity by the driver while traveling over rolling terrain.