The forward button is part number 43-413410R and the reverse would be part 43-413410L. A rebuild kit is not offered for this model. Parts are available through our sister company, Jacks Small Engines. Please visit www.JacksSmallEngines.com for pricing and availability.
Klutch Air Impact Wrench, 1/2in. Drive, 4 CFM, 980 Ft./Lbs. Torque

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- Produces up to 980 ft./lbs. max. torque in reverse
- 950 ft./lbs. max. forward torque
- 1300 ft./lbs. breakaway torque
- 8000 RPM free speed
- 1250 IPM in impact mode
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Description
Key Specs
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Q & A
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Product Summary
What's Included
- (1) 1/2in. air impact wrench

Delivers Exceptional Torque
- Powerful Klutch 1/2in. air impact wrench is designed to deliver maximum force – 980 ft.-lbs. of torque in reverse and 950 ft.-lbs. of forward torque
- Engineered with a twin-hammer design to supply the optimal amount of power and extend the life of the tool
- Works at speeds up to 8000 RPM while providing up to 1250 IPM
- Substantial impact wrench is ideal for applications such as loosening stubborn bolts and lug nuts as well as other heavy-duty fastening and repair tasks
Built to Perform
- Durable composite housing is both lightweight and durable, protecting your tool from abuse
- Ergonomic grip and one-handed forward/reverse switch allow for total control of the tool
- Operating at 90 PSI with an average air consumption of 4 CFM, the Klutch 1/2in. impact wrench is ready to tackle the toughest applications in your garage or shop
Air Tools You Can Trust
- We stand behind our Klutch air tools with a 1-year limited warranty
- Shop in complete confidence, knowing Northern Tool + Equipment protects your investment and is ready to provide you with the assistance and helpful resources you need
- Should you ever need service or support, help is a phone call or e-mail away
Features + Benefits

- Produces up to 980 ft./lbs. max. torque in reverse
- 950 ft./lbs. max. forward torque
- 1300 ft./lbs. breakaway torque
- 8000 RPM free speed
- 1250 IPM in impact mode
- Twin hammer mechanism for hard-hitting impacts
- 1/2in. square drive
- Lightweight, durable composite housing
- One-handed forward/reverse switch operates with thumb
- Handle exhaust for low noise and low vibration
- 92dB noise level
- 4 CFM air consumption
- 1/4in. air inlet
- 3/8in. minimum hose size
Key Specs
| Attribute | Specification |
|---|---|
item# | 47910 |
Brand | Klutch |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 4.86 LB |
Drive Size | 1/2 in |
Max. RPM | 8,000 |
Impacts Per Minute | 1,250 |
Max. Reverse Torque | 980 ft-lbs. |
Max. Forward Torque | 950 ft-lbs. |
Min. Working Torque | 50 ft-lbs. |
Max. Working Torque | 580 ft-lbs. |
Air Consumption | 4 cfm |
| Attribute | Specification |
|---|---|
CFM at Load | 22 |
Nut Busting Torque | 1,300 ft-lbs. |
Max. PSI | 90 |
Air Inlet Size | 1/4 in |
Hammer Mechanism | Yes |
Min. Hose Size | 3/8 in |
Variable Speed | Yes |
Reversible | Yes |
Case Included | No |
Bolt Capacity | 0.56 in |
Noise Level | 92 dB |
Tool Length | 7.375 in |
Reviews
Questions & Answers
Questions
-
· 3 years ago
Where can I find a complete rebuild kit with the forward and reverse buttons?
1 answer-
ProductExpert10· 3 years ago
Helpful?
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· 5 years ago
what does Standard Bolt Capacity (in.) 9/16 mean??? Is this the biggest bolt they recommend for this tool? Lugs on my motorhome are alot bigger than that......
1 answer-
KlutchExpert12· 5 years ago
The Standard Bolt Capacity refers to the maximum bolt size this will handle with the proper amount of air supply and operating pressure. This tool requires 5.7 CFM at 90 PSI for a 9/16" bolt capacity.
Helpful?
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· 5 years ago
What's the minimum size air compressor for this impact wrench? Thanks for your time and expertise
1 answer-
KlutchExpert12· 5 years ago
This impact wrench requires a minimum tank size of 20 gallons and a rating of 5.7 CFM at 90 PSI for optimum performance. At this time, we do not offer any 20 gallon compressors that meet those requirements; however, a 60 gallon compressor like item 75710 would work.
Helpful?
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Warranty
Manufacturer's Warranty
1 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
1/2 in
3/4 in
1/2 in
1/2 in
8,000
5,200
8,000
8,500
1,250
-
1,150
1,220
980 ft-lbs.
-
600 ft-lbs.
930 ft-lbs.
950 ft-lbs.
-
550 ft-lbs.
900 ft-lbs.
50 ft-lbs.
300 ft-lbs.
40 ft-lbs.
900 ft-lbs.
580 ft-lbs.
1,400 ft-lbs.
600 ft-lbs.
930 ft-lbs.
4 cfm
-
4.2 cfm
6 cfm
22
60
22
6
1,300 ft-lbs.
-
600 ft-lbs.
1,350 ft-lbs.
90
-
90
90
1/4 in
-
1/4 in
1/4 in
Yes
-
Yes
Yes
3/8 in
1/2 in
3/8 in
3/8 in
Yes
-
-
Yes
Yes
-
Yes
Yes
No
-
-
No
0.56 in
-
0.56 in
0.75 in
92 dB
-
94 dB
98 dB
7.375 in
-
7.3 in
9.6 in
-
-
5.8000 lb
-
-
-
7.3 x 2.75 x 7.9 in
-
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