While a Ranger is rated to pull 7500 lbs I don't believe it safe or can stay within specs if the trailer is an RV. Since most RV's hitch weight are about 15% of trailer weight a 6000 lb trailer hitch weight would be 900 lbs. The Rangers hitch is only rated up to 750 lbs. That 900 lbs will also...
The 302A package adds remote engine start and power-adjustable heated front seats to the 301A items. With the 301A package, you can also add the Technology package, which literally helps you get around with front parking sensors, adaptive cruise control, and navigation.