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Internet # 320285133

Model # R872071B

Store SKU # 1007899405

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18V SubCompact Brushless Cordless 3/8 in. Impact Wrench (Tool Only)

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$131.99
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  • Industry’s Most Compact
  • 250 ft./lbs. of Breakaway Torque
  • Free Parts and Service for Life with Registration
  • View More Details

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Product Details

About This Product

RIDGID introduces the 18V SubCompact Brushless 4-Mode 3/8 in. Impact Wrench. The RIDGID SubCompact Brushless lineup pairs powerful brushless motor technology in a compact tool design. This 3/8 in. Impact Wrench is the industry’s most compact, delivering 250 ft./lbs. of breakaway torque. Built with 3 speeds and an auto tightening mode, users can adjust speed and power for added control. This brushless impact wrench utilizes auto-tightening mode to automatically stop when fastening bolts to prevent over tightening. In reverse, this mode delivers full breakaway torque, then stops when the bolt is loose. It features a Tri-Beam LED light that enhances visibility and provides an even distribution of light, making it ideal for working in low-light conditions. As always, this RIDGID 18V SubCompact Brushless 4-Mode 3/8 in. Impact Wrench is 100% compatible with all RIDGID 18V batteries. Best of all, this tool is backed by the Industry’s Best Lifetime Service Agreement, simply register within 90 days of purchase for FREE Batteries, FREE Parts, FREE Service, FOR LIFE. The RIDGID SubCompact Brushless Impact Wrench includes the 18V Brushless 4-Mode 3/8 in. Impact Wrench, and belt hook with screw.

Highlights

  • Lightweight Design. Heavyweight Performance.
  • Pair with MAX Output batteries for maximum power
  • Industry’s most compact
  • Powerful Brushless Motor delivers 250 ft./lbs. of breakaway torque
  • 3 speeds + auto-tightening mode provides adjustable power and speed
  • Auto-tightening auto-stops when fastening to prevent over tightening bolts
  • Auto-tightening in reverse, delivers full breakaway torque, then stops when the bolt is loose
  • Tri-Beam LED enhances visibility and provides even distribution of light
  • Compatible with RIDGID’s AC13B04N Impact Wrench protective boot (sold separately)
  • 100% Compatible: Works with all RIDGID 18V Batteries, Tools, and Chargers
  • Lifetime Service Agreement with registration within 90 days
  • Includes: R872071 18V SubCompact Brushless 4-Mode 3/8 in. Impact Wrench and belt hook with screw
  • Battery and charger sold separately
  • RIDGID: Build for a Lifetime
  • Click Here to Shop All RIDGID Products
  • Click here for more information on Electronic Recycling Programs
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 320285133

Model # R872071B

Store SKU # 1007899405

Additional Resources

Shop All RIDGID

Specifications

Dimensions: H 7.5 in, W 2.6 in, D 4.5 in

Dimensions

Product Depth (in.)

4.5 in

Product Height (in.)

7.5 in

Product Width (in.)

2.6 in

Details

Amperage (A)

0.0 A

Batteries Included

No

Battery Amp Hours

No Battery

Battery Power Type

Lithium Ion

Battery Size

18-volt

Battery Voltage (V)

18V

Charger Included

Charger Not Included

Color Family

Orange

Cordless Tool Type

Impact Wrench

Cordless/Corded

Cordless

Drive Size (in.)

3/8 in

Impacts Per Minute

3800

Included

Tool Only

Motor Type

Brushless

Number of Total Batteries Included

0

Power Tool Features

LED Light, Sub-Compact, Variable Speed

Product Weight (lb.)

2.02 lb

Returnable

90-Day

Tools Product Type

Power Tool

Torque (ft-lbs)

250

Warranty / Certifications

Manufacturer Warranty

Lifetime Service Agreement

Questions & Answers

What is the torque of this impact
ByMar 2, 2026
1 Answer | 
Answer This Question

Hello, Robert - This impact delivers 250 ft./lbs. of breakaway torque. If you need further support, then feel free to ask another question. You can also contact us by phone at 1.866.539.1710, Monday - Friday from 9am to 5pm (EST), or via email when you visit us at https://register.ridgidpower.com/contact. This question is from RIDGID 18V SubCompact Brushless Cordless 3/8 in. Impact Wrench (Tool Only) (R872071B).

By|Mar 3, 2026


    Advantage of a brushless motor
    ByDec 28, 2024
    2 Answers | 
    Answer This Question

    Brushless motors offer several advantages over traditional brushed motors: * **Longer lifespan:** Brushless motors don't have brushes that wear down, resulting in a significantly longer lifespan. Less friction also means less heat buildup, further contributing to durability. * **Higher efficiency:** Without the friction of brushes, brushless motors convert more power into rotational energy, making them more efficient. This translates to longer runtimes on battery-powered tools and lower energy consumption for corded tools. * **More compact and lightweight:** Brushless motors can be smaller and lighter than brushed motors with comparable power output, making tools easier to handle and maneuver, especially in tight spaces. * **Quieter operation:** The absence of brushes reduces noise and vibration, providing a more comfortable user experience. * **Greater power and torque:** Brushless motors can deliver higher power and torque for demanding applications. They also offer better speed control and responsiveness.

    By|Feb 23, 2026

    (1)

    Hello, Patrick - Brushless tools have more power, longer runtime, and longer motor life. Brushless motors not only deliver more power but are also lighter and more compact than brushed motors, allowing you to work longer and more efficiently. If you need further support, then feel free to ask another question. You can also contact us by phone or text at 1.866.539.1710, Monday - Friday from 9 am to 5 pm (EST), or via email when you visit us at https://register.ridgidpower.com/contact. This question is from RIDGID 18V SubCompact Brushless Cordless 3/8 in. Impact Wrench Kit with 2.0 Ah Battery, Charger, and Bag (R872071K).

    By|Feb 23, 2026

      (1)

      Where is this product made?
      ByMay 2, 2024
      1 Answer | 
      Answer This Question

      Hello, Markm - This impact wrench was designed and engineered in Anderson, SC, and it was assembled in Vietnam with global materials. If you need further support, then feel free to ask another question. You can also contact us by phone or text at 1.866.539.1710, Monday - Friday from 9 am to 5 pm (EST), or via email when you visit us at https://register.ridgidpower.com/contact. This question is from RIDGID 18V SubCompact Brushless Cordless 1/2 in. Impact Wrench (Tool Only) (R872081B).

      By|May 2, 2024


        what is the torque tighteneing and loosening strength?
        ByDec 26, 2023
        2 Answers | 
        Answer This Question

        Both the 3/8" and 1/2" have the same spec for maximum tightening torque, 3,000-inch lbs. (250 Ft Lbs.)

        By|Mar 18, 2026

          (3)

          Hello, Leroy - Thank you for your question. Max breakaway torque is 250 ft.-lbs. I hope this helps! Additionally, if you need further support, then a RIDGID Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.866.539.1710 or through email when you visit us at https://register.ridgidpower.com/contact. And thank you again for your interest in the 18V SubCompact Brushless Cordless 1/2 in. Impact Wrench (Tool Only). - Joyce

          By|Feb 13, 2026

            (2)

            RIDGID please MAKE a 1/4 inch drive SubCompact version!
            ByDec 1, 2023
            2 Answers | 
            Answer This Question

            Just 3/8 to 1/4 reducer impact adapter.

            By|Aug 10, 2026

              (2)

              Hello, Nate - Thank you for your question. We value your opinion and strive to introduce products that our customers find innovative and affordable. Our team of developers are always creating exciting and new products as well as improving existing products through feedback such as yours. Additionally, if you need further support, then a RIDGID Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.866.539.1710 or through email or live chat when you visit us at https://register.ridgidpower.com/contact. And thank you again for your interest in the 18V SubCompact Brushless Cordless 3/8 in. Impact Wrench (Tool Only). - Joyce

              By|May 10, 2024

                (1)

                When does this tool-only product go on sale?
                ByNov 28, 2023
                1 Answer | 
                Answer This Question

                Hello, Zing - Thank you for your question. Please send all inquiries concerning price, promotions and stock availability to the Home Depot, they can be reached at 1-800-466-3337. I hope this helps! Additionally, if you need further support, then a RIDGID Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.866.539.1710 or through email or live chat when you visit us at https://register.ridgidpower.com/contact. And thank you again for your interest in the 18V SubCompact Brushless Cordless 1/2 in. Impact Wrench (Tool Only). - Joyce

                By|Feb 13, 2024

                  (3)

                  Recently purchased one of these and noticed when in auto mode, reverse direction that the tool only runs in the 0-850 speed range with no load. Book says auto mode is 0-2800 range. Will the tool auto ramp up to higher speed under load or is it DOA?
                  ByAug 29, 2023
                  2 Answers | 
                  Answer This Question

                  Hi Pollux, exact same question with a unit I just purchased. Rigid Canada is telling me that this is normal. In Auto reverse it spins at a much lower speed but ramps up to full speed under load. Did you get a new unit showing the same behaviour?

                  By|Nov 22, 2024

                    Hello, Pollux - Thank you for your question. I would recommend confirming you have the correct mode selected. The low setting is 0-850 RPM so that may be what is selected. If you have already confirmed you have the correct mode selected then your tool can be returned if it is within the return timeframe. I hope this helps! Additionally, if you need further support, then a RIDGID Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.866.539.1710 or through email or live chat when you visit us at https://register.ridgidpower.com/contact. And thank you again for your interest in the 18V SubCompact Brushless Cordless 3/8 in. Impact Wrench (Tool Only). - Jewel

                    By|Mar 18, 2026

                      (5)

                      It's a combo , or only one item at that price!
                      ByJun 21, 2023
                      1 Answer | 
                      Answer This Question

                      Hello, 1234 - Thank you for your question. This is a combo kit with a battery and charger included. I hope this helps! Additionally, if you need further support, then a RIDGID Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.866.539.1710 or through email or live chat when you visit us at https://register.ridgidpower.com/contact. And thank you again for your interest in the 18V SubCompact Brushless Cordless 1/2 in. Impact Wrench Kit with 2.0 Ah Battery, Charger, and Bag. - Vini

                      By|Jul 5, 2023


                        Viewing 1-8 of 20

                        Customer Reviews

                        4.8 out of 5

                        • 4.8 out of 201 reviews
                        • 92% recommend this product
                        Filter by:
                        Showing 1-10 of 201 reviews
                        Bought this wondering how often I would actually use it. Within a couple days of purchasing it, I had to replace a transmission belt on my lawnmower. This 3/8” impact wrench saved the day. The impact was enough to break the bolt loose on the main pulley coming off the engine without having to brace the pulley to keep it from spinning. Worked great changing the mower blades, too. Compact to fit into tighter places, yet powerful enough to get the job done. The LED lights are an added bonus. Highly recommend!
                        by
                        Warranty department is a zero
                        Warning: Watch out when purchasing a Ridgid power tool product. The warranty is a painfully experienced one. I purchased a 3/8 impact a year ago and finally got it out to use it, but it had no power. I tried three different batteries, and none worked. I've been dealing with the warranty department for half of my day with very little help. It has been a nightmare to deal with. I have multiple tools from Ridgid, and this is the first and last time I will deal with their warranty department. Very bad experience!
                        by
                        Response from RIDGIDDec 4, 2025
                        Hello, Kevin69 - We are sorry to learn that you are having some trouble with your tool and with getting support! If you would, please reach out to us at Reviews@RYOBItools.com. We'd be happy to see what we can do to help! ridgidtti
                          3 found this review helpful
                          Solid Performance Compact Size
                          Just the right amount of power for 3/8 impact. Compact with great ergonomics paired with Ridgid’s LSA. It’s a banger!
                          by
                            • Recommended
                            Parts list is not available
                            No parts list for switch makes tools disposable. Not happy with tool repair parts accessibility . Great tool when it works .
                            by
                              Beefy 1/2" impact
                              This is a beefy, large 1/2" impact. Be aware all of your 1/4" stuff will NOT fit this guy. But we are working on large steel buildings and this impact has the umph to tighten large bolts. Double check the tiny screw on the clip, mine fell off promptly but these things are constantly doing that. Great addition to my Ridged set, all my batteries are still going strong after 3 years.
                              by
                              • Recommended
                              2 found this review helpful
                              Awesome tool
                              This RIDGID cordless impact wrench packs a punch. It has 250 pounds of toque. The balance at the grip is stable and easy to hold. It takes a 18 volt battery . It has a compact size and fits into smaller areas. It has 3 speeds and a auto tightening mode so you don't over tighten or under tighten your work. It has a tri beam light that lights up when you are using it. It has a 3/8 anvil connection. Very sturdy and handy tool.
                              by
                              • Recommended
                              2 found this review helpful
                              Lightweight and small, convenient to carry around and not causing fatigue
                              The RIDGID 18V subcompact ½ impact wrench is lightweight with a small footprint, but still has a strong punch with a 225 ft/lbs of breakaway torque. I used it to take the tires off of a truck and car, and the breakaway of the lug nuts was quick and easy. I also used it to install TV wall-mounts and it worked like a charm. You need to use impact rated sockets so that they don’t break. One cautionary point is to check with your hand or with a torque wrench after fastening the lug nuts with the wrench. I needed to apply 90 lb-ft torque on the lug nuts, so I did some of it manually. What I really like about this impact wrench is how lightweight and small it is, making it very convenient to carry around and not causing fatigue.
                              by
                              • Recommended
                              1 found this review helpful
                              Amazing subcompact impact wrench
                              I bought this product about 2 months ago and I absolutely love it. I just did all the suspension on my car and it was super handy for reaching tight spots. I use this in combination with my ridgid 1/2 brushless mid torque and I haven’t met a bolt I couldn’t overcome between the two. Perfect for zipping off lug nut and reaching into all those tight spaces. Great value and an amazing tool
                              by
                                • Recommended
                                Compact well balanced variable speed 3/8" impact wrench with three speed ranges and an Auto mode
                                This is a really outstanding 3/8" drive impact wrench. I would call this mid-torque. It is not for taking lug nuts off a cement mixer! It is super handy for medium applications where the compact shape is needed. It is very compact (in diameter and in depth) and has three bright LED lights spaced around the nose to illuminate your work without any weird shadows. It uses a friction ring to hold the socket in place. I got it as a bare tool - it uses RIDGID 18V batteries, which I had already, so this makes for a very good value. The balance of the tool is great, very neutral in your hand with a battery attached. It comes with a metal belt clip (I don't always use it on an impact - I do like them on the drills). It can be removed easily and can also be mounted on either the left or right side depending on which side you want to hang it. The impact has three speed settings and an automatic setting called "A". Setting 1 is low. Setting 2 is medium. Setting 3 is high. Auto mode "A" is useful and does different things in forward and reverse. When you are removing a fastener in auto mode it will impact on high until it starts spinning then slow down. If you are tightening in auto mode, it will spin on quickly then stop when it begins impacting to avoid over tightening. The tool is variable speed - it goes faster than more you pull the trigger. In low (1) max is 800 rpm. In high (3) it maxes out at 2800 rpm. If you register your tool, you can also get their lifetime service agreement.
                                by
                                • Recommended
                                1 found this review helpful
                                Small yet powerful
                                I chose this Ridgid Lithium ion 3/8” impact wrench because of the reputation 0f Ridgid tools and for its compact size. There have been many instances where I couldn’t use my existing impact wrench because of it’s length. The Ridgid impact is a full 2 inches shorter, making it possible to fit in smaller areas. It has 4 torque settings, including an witch I have found useful. The 2 aH battery also has a level of charge indicator. This tool has a great deal of torque, especially for it’s size. As a test I removed the wheel nuts on my full size Jeep, and the had no trouble breaking them free. It comes complete with a charger, battery and carrying case.
                                by
                                • Recommended
                                1 found this review helpful
                                Showing 1-10 of 201 reviews

                                Compare Key Features

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                                Product Snapshot

                                Ideal for professionals seeking compact power, delivering 250 ft-lbs torque with variable speed.
                                Built for long-lasting durability and high performance in demanding fastening tasks.
                                Built for long-lasting durability and high performance, delivering 650 ft-lbs torque.
                                Ideal for professionals and home users seeking powerful, versatile fastening with precision control.

                                Torque

                                250 ft-lbs
                                650 ft-lbs breakaway
                                650 ft-lbs
                                300 ft-lbs fastening, 450 ft-lbs breakaway

                                Power Source Cordless

                                Brushless Motor

                                Impacts Per Minute (IPM)

                                3800 IPM
                                3800
                                3800 IPM
                                3200 IPM

                                Battery Life

                                Long-lasting with 18V batteries