2014 Keystone RV Avalanche 330RE, 2014, Keystone, Avalanche, 330RE, 5th Wheel 2014 Keystone RV Avalanche 330RE The first next-generation fifth wheel designed for today's family. Avalanche offers features, comforts and livability for extended trips or weekend vacations. With emphasis on family friendly floorplans, Avalanche is the ideal coach for the active lifestyle.