Built for the most demanding heavy-duty fastening applications, the Ingersoll Rand W8591 IQV20 High Torque Cordless Impact Wrench delivers exceptional cordless performance with a 1" square drive featuring a 6" extended anvil, 1,350 RPM free speed, and up to 2,000 ft-lbs of breakaway torque. The extended 6-inch anvil provides improved access to deep-set wheel fasteners and recessed mounting points, making it an ideal solution for heavy trucks, buses, off-road equipment, mining machinery, and industrial maintenance. Cordless operation eliminates the need for air hoses while providing the mobility required for both shop and field service.
Designed for professional technicians, the W8591 combines powerful fastening performance with the convenience of the IQV20 battery platform. The 1-inch square drive accommodates compatible heavy-duty impact sockets, allowing operators to tackle seized and high-torque fasteners efficiently while maintaining productivity in demanding maintenance environments.
Get unmatched power and control with the Ingersoll Rand W8591 Impact Wrench—built to dominate any job with ease.
Type: High Torque Cordless Impact Wrench | Battery Platform: IQV20 | Drive Size: 1" Square with 6" Extended Anvil | Free Speed: 1,350 RPM | Breakaway Torque: 2,000 ft-lbs | Application: Heavy-Duty Fastening & Maintenance
Features:
- High-torque cordless impact wrench designed for demanding industrial and fleet maintenance applications.
- Produces up to 2,000 ft-lbs of breakaway torque for loosening seized and overtightened fasteners.
- 1" square drive with 6" extended anvil provides improved access to recessed wheel assemblies and deep-set fasteners.
- 1,350 RPM free speed supports efficient fastener installation and removal.
- Cordless design allows unrestricted movement without the limitations of air hoses or compressors.
- Compatible with the IQV20 battery platform for use with compatible cordless batteries and chargers.
Applications:
- Heavy truck, bus, and fleet maintenance requiring extended reach to wheel and suspension fasteners.
- Construction and earthmoving equipment repair.
- Mining, quarry, and oil & gas equipment maintenance.
- Agricultural machinery servicing and field repairs.
- Industrial plant maintenance, rail equipment service, and infrastructure repair.
FAQs:
- Q: What is the advantage of the 6-inch extended anvil?
A: The extended anvil provides easier access to recessed lug nuts, dual-wheel assemblies, and other fasteners that are difficult to reach with a standard anvil. - Q: What does 2,000 ft-lbs of breakaway torque mean?
A: Breakaway torque is the maximum reverse torque available to loosen seized or overtightened fasteners. It should not be confused with the tool's fastening torque. - Q: What sockets are compatible with this impact wrench?
A: The W8591 features a 1" square drive and is designed for use with compatible 1-inch impact-rated sockets. - Q: Are the battery and charger included?
A: The supplied source identifies the tool platform but does not specify whether batteries and chargers are included. Please verify the package contents before ordering.

| SKU | System | Drive Type | Light | Breakaway Torque ft-lbs (Nm) |
Forward Torque ft-lbs (Nm) |
MAX Free Speed (rpm) |
Impacts/Min (bpm) |
Weight lbs (kg) |
Length in (mm) |
|---|---|---|---|---|---|---|---|---|---|
| W8171 | IQV20 | 3/4" Square | 360° LED | 2000 (2710) | 1300 (1765) | 1350 | 1900 | 7.4 (3.4) | 8.77 (223) |
| W8571 | IQV20 | 3/4-6" Square | 360° LED | 2000 (2710) | 1300 (1765) | 1350 | 1900 | 7.7 (3.5) | 14.77 (375) |
| W8191 | IQV20 | 1" Square | 360° LED | 2000 (2710) | 1300 (1765) | 1350 | 1900 | 7.4 (3.4) | 8.77 (223) |
| W8591 | IQV20 | 1-6" Square | 360° LED | 2000 (2710) | 1300 (1765) | 1350 | 1900 | 7.7 (3.5) | 14.77 (375) |
For help choosing the correct Ingersoll Rand Cordless Impact Wrenches for your application, please call (800) 608-5210 or email info@intlairtool.com
- Type
- Cordless Impact Wrench
- System
- IQV20
- Drive Type
- Square Drive
- Drive Size (in.)
- 1 - 6
- Light
- 360° LED
- Breakaway Torque (ft-lbs)
- 2000
- Breakaway Torque (nm)
- 2710
- Forward Torque (nm)
- 1765
- RPM
- 1350
- Blows Per Minute (BPM)
- 1900
- Length (in.)
- 14.77
- Forward Torque (ft-lbs)
- 1300
