The Chevrolet Suburban 3500 HD is a powerful heavy-duty SUV, designed for both towing and off-road capability, with a curb weight ranging between 6,000 and 7,000 lbs. The powertrain system of the Chevrolet Suburban 3500 HD incorporates GM's fourth-generation small-block architecture within the 6.0L Vortec L96 petrol engine that delivers 360 hp and 380 lb-ft of torque. This engine employs the SFI sequential fuel injection system instead of direct fuel injection while its VVT system enhances the performance and efficiency. The Chevrolet Suburban 3500 HD operates with a 6L90 six-speed automatic transmission that distributes power to all four wheels which creates solid driving capability on different ground conditions. Driver safety and traction receive support from the G80 limited-slip differential and the 4.10:1 axle ratio on rough or slippery terrain. Drivers who own the Chevrolet Suburban 3500 HD can manage their towing performance by using the two-speed transfer case that operates the four-wheel drive modes. Through the basic Trailer Tow Package the Chevrolet Suburban 3500 HD comes standard with its valuable components that consist of both a trailer hitch and a 7-point connector while enabling light towing despite its heavyweight. The Chevrolet Suburban 3500 HD's lifecycle and operational performance benefits from using original Chevrolet equipment automotive replacement parts which also follows manufacturer technical requirements.