The GMC 2500-3500HD, often referred to as the Heavy Duty (HD) lineup of trucks, is a series of rugged and powerful trucks that are built to handle tough jobs with ease. These trucks are designed to be workhorses, capable of towing heavy loads and hauling large payloads, making them a popular choice among contractors, ranchers, and anyone else who needs a reliable and capable truck. The 2015-2019 models of the GMC 2500-3500HD lineup are no exception to this reputation for toughness and reliability. These trucks are built with high-strength steel frames and heavy-duty suspension systems to withstand the rigors of heavy-duty use. They are also equipped with robust powertrains that deliver impressive performance and towing capabilities. One of the standout features of the 2015-2019 GMC 2500-3500HD trucks is their available Duramax turbodiesel engine. This engine, available in either a 6.6-liter V8 or a 6.6-liter V8 with dual rear-wheel configuration, delivers best-in-class power and torque. With an output of up to 445 horsepower and 910 lb-ft of torque, these trucks have the muscle to handle even the toughest towing jobs. The Duramax engine is paired with an Allison 1000 6-speed automatic transmission, which is known for its smooth and precise shifting. This transmission helps to maximize the engine's power and torque, providing seamless acceleration and enhanced towing performance. In addition to their impressive powertrains, the 2015-2019 GMC 2500-3500HD trucks also offer a range of features designed to enhance their towing capabilities. These include integrated trailer brake controllers, tow/haul mode, and a variety of trailering technologies like trailer sway control and hill start assist. These features make towing large trailers or hauling heavy loads easier and more secure. Inside the cabin, the GMC 2500-3500HD trucks offer a comfortable and spacious interior with plenty of storage space and user-friendly features. The seats are supportive and well-padded, making long drives more comfortable. The dashboard is well-laid out and easy to use, with large, intuitive controls that are within easy reach of the driver. In terms of technology, the 2015-2019 GMC 2500-3500HD trucks offer a range of features to enhance safety, connectivity, and convenience. These include available features like a touchscreen infotainment system with navigation, Bluetooth connectivity, and smartphone integration. Other available features include a rearview camera, parking sensors, and automatic climate control. In terms of safety, the GMC 2500-3500HD trucks come equipped with a range of standard and available safety features to help protect occupants in the event of a collision. These include advanced airbag systems, stability control, traction control, and available features like lane departure warning and forward collision alert. Overall, the 2015-2019 GMC 2500-3500HD trucks are a top choice for anyone in need of a rugged, powerful, and reliable truck. With their impressive towing capabilities, strong powertrains, and range of features designed to enhance performance and comfort, these trucks are well-suited to handle a variety of tough jobs. Whether you're hauling heavy cargo, towing a large trailer, or simply looking for a dependable work truck, the GMC 2500-3500HD lineup delivers.