A new trailer towing package was added allowing larger trailer loads to be pulled. (en.wikipedia.org)
Additional standalone options include a Class IV trailer towing package, remote starting system and 20 - inch chrome alloy wheels. (kbb.com)
And the heavy - duty trailer tow package adds serious equipment including the F - 150's clever Pro Trailer Backup Assist System, an electronic limited - slip rear differential, a heavy - duty radiator, a transmission oil cooler and a two - speed, low range - equipped 4WD system that allows for a seventh drive mode called «Slow Climb». (Autoweek.com)