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9-1/2" Wide x 10-1/4" tall x 2-1/2" deep, efficient, reliable tornado fan Improves gas mileage and boosts overall performance by maintaining proper airflow to your vehicle's radiator. Includes toggle switch for manual control.
Features:
Specs:
Whereas belt-driven fans use up power from the engine to turn, electric fans do not, thus removing any unnecessary load and increasing both fuel economy and horsepower. In addition, you do not have to worry about an electric fan's slowing down at low RPM, as many belt-driven fans do, so you are guaranteed sufficient airflow regardless of the vehicle speed.
Before purchasing an electric fan, be sure to determine the CFM (cubic feet per minute) requirements for your engine. And remember, engines that have been modified or vehicles often used for towing may require additional CFM. There is no limit to the number of fans you can install, as long they all fit appropriately and are mounted on the same side of your radiator so that they do not cancel each other out.
Two types of turn-on sources are available for this fan. The Derale Lighted On/Off Switch for Electric Fans (D16740) allows for manual control of your fan so that you can choose when to turn it on and off. Thermostatic controls, on the other hand, send a signal to the fan, directing it to shut off when fluid temperatures reach an appropriate level, thus saving power. Once the temperature climbs again and additional cooling is needed, the fan is automatically turned back on. Thermostat switches can be single-stage with pre-set temperatures - D16735, D16738, D16739, D16720 and D16721 - or adjustable - D16778 and D16779.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we'll be taking a look at the Derale Nine Inch Tornado Electric Fan.This is going to help to make your vehicle run more smoothly, increase your overall fuel economy and your overall performance, since this is going to help to cool down our engine, our fluids, and make sure that everything keeps from overheating.A lot of times whenever you're towing with a vehicle, it can cause some extra strain on that engine, cause fluids to overheat, so this is going to help to increase that airflow and help everything to stay nice and cool. It also helps to increase that air flow to our engine, making it work more efficiently as well, since oxygen helps the engine to combust the fuel faster and more efficiently.So this is can be mounted in either the pusher or puller position, that'll basically be on one side of your radiator or the other. And then we'll have our power coming off of there, just connects into the spade terminals that the kit does provide. We'll also have a length of wire to connect there, and it also comes with a lighted switch, so we can make our connections at the back of that. Comes with two ring terminals and a couple of butt connectors and also a quick splice, along with some self-tapping screws. And then this is all the hardware that we would need to get this mounted up.The rods are going to go through our little mounting feet, which slide into the slots on the side of the fan, and then it goes through.
We put on one of the pads, and this would be going through your radiator, and then finally the button would go on the far side and that would kind of act as a zip tie to cinch everything down.As far as dimensions with our fan, it is nine and a half inches wide, measuring from the outside to outside edge. And then going from our mounting positions, it's a little bit wider there, it's about 10 and a quarter inches, and then about two and a half inches deep. Move my ruler down, so you can actually see that. That's going from where our wiring comes out in the center, to the edge. The mounting dimensions between those feet with the mounting feet in place, it's about eight and seven eighths inches wide, by about five inches.This has a power draw of 4.5 amps, and has a maximum cubic feet per minute or CFM of 570.
Comes with a one year warranty from Derale, and it is made in the USA.That's going to do it for our look at the Derale Nine Inch Tornado Electric Fan.
Ratings & Reviews
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Gene W.
12/26/2014
The Derale fan has been a winner. Its seen a variety of conditions on my garden tractor in all seasons and just keeps purring along. If it quit tomorrow Id definitely purchase another. Thanks for the follow-up.