Harbor Freight Tools


20V Cordless 3/8 in. Xtreme Torque Impact Wrench Kit with 4.0 Ah Battery, Fast Charger and Case

The EarthquakeXT Cordless Xtreme Torque Impact Wrench comes with 3/8 in. 20v impact wrench, 4.0AH battery, charger, and a heavy duty case

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Product Overview

This powerful, compact cordless 3/8 in. impact wrench delivers the power of air. The EarthquakeXT Cordless Xtreme Torque Impact Wrench pounds out 370 ft. lbs. of bolt breakaway torque to power off bolts and fasteners. Combined with the EarthquakeXT Lithium battery system this impact wrench delivers high power, long runtime and fast charging.

  • 370 ft. lbs. bolt breakaway torque for lightning fast removal
  • Ergonomic design provides superior balance and control
  • All metal drivetrain and hammer mechanism improves life
  • Bright LED light for a clear view in dark places
  • Variable speed trigger with electronic brake for control and versatility
  • Rubber overmold reduces fatigue and improves comfort
  • 3/8 in. anvil with friction ring for quick and easy socket changes

Important Information

  • This is a clearance item. This item can only be shipped within the 48 contiguous states via Standard Ground Shipping. Not available for sale to Canada.

Customer Videos

We think you’ll enjoy these customer-made YouTube videos about our products. They’re independent, uncut and unsponsored. They may also contain some four-letter words that aren’t “tool” and other content that’s not appropriate for children. We hope these videos help inform your tool-buying decisions. And a note from the lawyers: Products should always be used in accordance with the owner’s manual.


63536, 64197
Bulb Type
(1) 3/8 in. 20V MAX Earthquake™ XT impact wrench,(1) 20V MAX 4.0 Ah lithium battery(1) 20V MAX lithium charger, (1) Kit box
Battery capacity
4.0 Ah
Battery type
Battery voltage (volts)
Battery(s) Included (y/n)
Drive size (in.)
3/8 in.
Speed (max)
0-2000 RPM
Maximum Torque
160 ft. lbs.
Product Height
7.4 in.
Product Length
6.7 in.
Product Weight
2.55 lb.
Product Width
2.5 in.
Shipping Weight
8.00 lb.
Impact (BPM)
0-3000 IPM
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change


We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.