Tow dollies can be useful in all sorts of situations.

Tony Page/Stone/Getty Images

Purpose of Tow Dollies

As we noted on the previous page, tow dollies come in handy for a variety of situations. Whether used for hassle-free sightseeing during an RV trip, because you're short on drivers for your big move or because your teenage son's car broke down and needs to be towed to the nearest mechanic, a tow dolly can be just the thing.

­However, tow dollies have faded in popularity somewhat after people came up with ways to modify cars so they could simply use tow bars to pull them. Despite this, many remain loyal to their tow dollies for a number of reasons.

Probably foremost of these helpful uses is the fact that any front-wheel-drive automatic can be pulled with a tow dolly. Many types of automatics must be modified with accessories like lube pumps and axle disconnects to spare the transmission if you want to haul them four wheels down. This can be handy in a few situations, like if you suddenly need to help out with a friend's broken-down car or make a quick auto swap.

Another purpose of tow dollies has to do with the odometer. On some vehicles, if the front wheels are rolling -- even if the ignition is off -- the odometer keeps adding on miles. When the front tires are elevated, this isn't an issue with these types of cars because a tow dolly keeps your towed vehicle's mileage at the same count as before you began your trek. Again, people have worked out ways around the problems, but if you're looking for a simpler tow, a tow dolly might be your answer.

Keep in mind, there are lots of tow dollies out there for the taking. Before you haul out your checkbook and get your dolly jollies, let's examine which type makes the most sense for your vehicle and find out more tow dolly information.