During the years 2001 through 2007 the Chevrolet Silverado 1500 HD series functioned as a heavy-duty pickup truck that filled the space between light-weight and heavy-duty pickup vehicles. As a Silverado 1500 HD model Chevrolet runs a V8 Vortec 6000 engine that reaches 300 hp at 5,200 rpms with maximum torque delivery of 360 lb-ft at 4,000 rpm which targets heavy towing capabilities. The Chevrolet Silverado 1500 HD contains a baseline towing capability of 10,300 pounds but individual choices with drivetrain functions may modify these values as well as its maximum payload capacity reaching 3,129 pounds. Customers have a choice between the standard Vortec 5300 V8 and the optional 4.8L V8 engine selections for this model. During towing duties and heavy loading the Chevrolet Silverado 1500 HD advantages from a heavy-duty automatic transmission which performs smooth shifts and delivers consistent power output for both operations. The greeting of a built-in trailer brake controller marks this new premium feature in this model series. Chevrolet Silverado 1500 HD cabins benefit from advanced temperature-adjustable cup holders while offering ample storage spaces to its occupants. OEM Chevrolet Silverado 1500 HD original parts used in maintenance help both maximise truck performance along with increasing durability and reliability.