>Here’s a good animated explanation of why extending the RV fifth wheel king pin box doesn’t solve the problems associated with towing a fifth wheel with a short-bed pickup.

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The RV Handbook: Essential How-to Guide for the RV Owner
This new edition of The RV Handbook is for all types of RV enthusiasts – from a first-time buyer or renter to the most seasoned RV traveler. Packed with valuable information, checklists, photos, and charts, the guide tells you how to: buy an RV; avoid the single most common mistake novice RVers make; select a towing vehicle; avoid RV repair scams; benefit from technical trends in RV manufacturing; correct the bad towing habit that plagues even experienced RVers; and prevent explosive propane situations. With hundreds of proven RV tips, tricks, and techniques, this expanded handbook tells how to buy, maintain, and optimize RVs, saving both money and time.