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The Wagan Tech Mighty Impact Wrench is a 12V DC impact wrench that runs from your vehicle's cigarette lighter socket. It's rated at 271 ft-lbs of maximum torque and up to 5,000 RPM with no load, and it comes in a molded carrying case with two double-ended sockets and two spare fuses.
Wagan designed it to loosen and tighten lug nuts on small and midsize cars and SUVs. It's meant for occasional, intermittent use, such as a roadside tire change, not for commercial work. The manual states it can't be used on trucks.
The wrench draws 8A at 12V DC through a plug for your cigarette lighter socket. Its 1/2 inch square retainer holds the included sockets, and it reaches up to 5,000 RPM with no load to spin loosened lug nuts off and back on.
Two double-ended sockets cover 11/16, 3/4, 13/16 and 7/8 inch lug nuts. Flip a socket to switch sizes.
A three-position switch sets forward, reverse or off. Choose forward for clockwise rotation to tighten and reverse for counterclockwise rotation to loosen, then pull the trigger to run the wrench and release it to stop.
A small LED on the front turns on when the wrench has power, lighting the lug nuts on a dark shoulder. A bubble level on top helps you hold the wrench square to the wheel.
The 11.4 foot (3.5 m) power cord gives you room to work away from the socket. The 12V plug holds a replaceable 15A fuse, and two spares ride in the case. The rubberized grip helps you keep a firm hold in less than ideal conditions.
Flat tire on the shoulder. Keep the case in your trunk, plug into the 12V socket and remove the lug nuts to mount your spare.
Tire swaps at home. Use it on a small or midsize car or SUV when you swap wheels, then finish with a torque wrench.
A manual lug wrench depends on your own strength and leverage. The Mighty Impact Wrench supplies the turning force for you. If a nut won't move and the wrench stalls, Wagan's manual says to stop and finish with a manual wrench.
A plug-in wrench has no tool battery to keep charged. It runs from your vehicle's 12V system, so it needs a working 12V socket and a vehicle battery that isn't dead. The 11.4 foot cord sets your reach from the socket.
This wrench is for small and midsize cars and SUVs only, not trucks. Make sure your lug nuts are 11/16, 3/4, 13/16 or 7/8 inch. Always thread a nut on by hand before tightening it with the wrench.
Don't run the wrench for more than 10 minutes without a break, then let it cool for 10 minutes. Don't run it at full speed with no load for long periods. Wagan's manual says to finish lug nuts with a torque wrench to your vehicle's specified torque and check them again after about 50 kilometers of driving.
No. Wagan's manual says this 12V impact wrench can only be used on small and midsize cars and SUVs and can't be used on trucks.
Stop if the nut won't move and the wrench stalls. Don't force it or try to turn the nut by hand with the wrench. Use a manual wrench or a more powerful tool instead.
Check whether the vehicle battery is dead, whether the 12V socket is working, and the fuse in the wrench's 12V plug. Spare 15A fuses are in the case. If a nut won't turn, confirm the direction switch is set correctly.
Wagan's manual lists a one-year limited warranty for the original purchaser against defects in material and workmanship.
The Wagan Tech Mighty Impact Wrench brings 271 ft-lbs of torque, four socket sizes, a work light and spare fuses together in one case that runs from your 12V socket. If you'd like help checking your vehicle and lug nut size before you order, the Outbound Power team is happy to help.
Wagan Tech Mighty Impact Wrench 12 Volt Specifications |
|
|---|---|
| Model | 2257 |
| Performance | |
| Maximum Torque | 271 ft-lbs |
| No-Load Speed | 5,000 RPM max |
| Drive Size | 1/2 in. (12.7 mm) square retainer |
| Rotation | Forward and reverse |
| Included Socket Sizes | 11/16, 3/4, 13/16 and 7/8 in. |
| Intended Vehicles | Small and midsize cars and SUVs, not trucks |
| Duty Cycle | 10 min on, then 10 min cool-down |
| Power | |
| Voltage | 12V DC |
| Power Draw | 8A |
| Plug | 12V cigarette lighter adapter |
| Plug Fuse | 15A, 250V |
| Power Cord Length | 11.4 ft (3.5 m) |
| Physical | |
| Work Light | LED |
| Level | Built-in bubble level |
| Grip | Rubberized |
| Wrench Dimensions | 3.5 x 9.5 x 8 in. |
| Case Dimensions | 4 x 12 x 12 in. |
| Product Weight | 5.7 lbs. |
| Warranty | |
| Limited Warranty | 1 year |
⚠ WARNING: This product can expose you to chemicals including DEHP, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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