The Ford F-Series has been America’s best-selling pickup truck line for over 30 years. The Ford F-350 Super Duty Crew Cab is offered in four trims: XL, XLT, Lariat, and King Ranch. Ford F-350 Super Duty Crew Cab models can be paired with a 6.8-foot or 8.0-foot truck bed. Standard F-350 Super Duty powertrain is a 6.2-liter, 385-horsepower gasoline V8. Buyers can opt for a 400-horsepower, 6.7-liter turbodiesel V8. Both engines are paired with a six-speed automatic transmission. 2012 Ford F-350 Super Duty models can tow up to 14,000 pounds, or 16,700 pounds when a fifth wheel is added.