MSA 140 C-BQ

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An affordable battery-powered chainsaw delivering excellent cutting performance for tree maintenance in large suburban yards.

Product Description

With the AK 30 battery, this chainsaw delivers excellent cutting performance for up to 45 minutes on a single charge and is ideal for limb removal and storm cleanup. This chainsaw is a good option for suburban homeowners who perform yard work in noise-sensitive areas. It is compact and lightweight at 8.6 lbs. with the bar and chain and AK 30 battery, and 5.7 lbs. without battery, making this chainsaw easy to use and maneuver. The MSA 140 C-BQ also features the exclusive ¼” STIHL PICCO™ saw chain which assures clean, smooth cuts, and has a high-torque brushless motor delivering ideal speed and durability for a virtually maintenance-free service life.

The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on. Run time may vary based on battery type, charge level and capacity, model, operating style and conditions. Batteries and chargers can be purchased separately or as a combined set with tool.

View Our Usage Chart

Model Features

  • Reduced-Emission Engine Technology - Caring for Nature
    The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

    More information

  • STIHL Quickstop® Plus (Q) - an additional chain braking feature
    STIHL offers an additional, manually-activated chain brake on some models. This system is designed to engage when the operator’s right hand completely releases the rear handle, stopping the chain within one second. Available on some models.

    See it in action!
  • STIHL Electric Brushless Motor
    Lightweight and compact, STIHL electric motors require minimal maintenance and feature low noise levels and reduced vibration.
  • STIHL Quickstop®
    STIHL chainsaws are equipped with a chain stopping system designed to reduce the risk of injury in certain kickback situations. It is called a STIHL Quickstop® chain brake. The STIHL Quickstop® chain brake is designed to stop the rotation of the chain if activated by the operator’s hand or by inertia if the saw kicks back with sufficient force. In some working positions, the STIHL Quickstop® chain brake can be activated by inertia, stopping the chain within fractions of a second.

    See it in action!
  • Rubberized Soft Touch Handle 
    Soft rubber texture is both easy to grip and makes the product comfortable to hold for extended periods.  
  • Ematic™ Lubrication System
    The Ematic™ guide bar, when used with STIHL OILOMATIC® saw chain, will provide proper lubrication and less oil consumption than conventional methods. The system works because two ramps, strategically placed in the guide bar rail, help contain the flow of oil and direct all lubrication to the sliding faces of the bar and chain links as well as the rivets and driver holes, which in turn can reduce bar oil consumption up to 50%.
  • Quick Chain Adjuster (QCA) (B)
    The Quick Chain Adjuster (QCA) (B) allows the user to adjust the tension of the chain without the use of tools. This allows for easy chain adjustment.
  • Lightweight Portability
    Great for maneuverability and extended use.

Specifications

GUIDE BAR LENGTH
30 cm (12") STIHL ROLLOMATIC® E
CHAIN OIL CAPACITY
210 cc (7.4 oz)
OILOMATIC® CHAIN
1/4" STIHL PICCO™
POWER SOURCE
Battery
RUN TIME (w/ AK 30)
Up to 45 minutes (Only works with AK 30)
POWERHEAD WEIGHT (w/ Recommended Battery)
w/ AK 30 3.8 kg (8.4 lbs.)
BATTERY SERIES
AK Series
STIHL recommends #3670 (71 PM3 64) OILOMATIC® saw chain and 12" 3005 008 3405 STIHL ROLLOMATIC® E guide bar combination. The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on. Chainsaw weights include recommended bar and chain combination. Batteries and chargers can be purchased separately or as a combined set with tool.

Important Information

WARNING! The occurrence called “kickback” can cause serious or fatal injury. Always read the instruction manual carefully before using your saw. STIHL uses a green and yellow color-coding system to help you select a powerhead, bar and chain combination that complies with the kickback requirements of ANSI Standard B175.1 (gasoline-powered saws) and §30 of UL 1662/ ANSI Standard B175.1 (electric chainsaws). Ask your STIHL dealer about safe operating procedures and the advantages of the STIHL Quickstop® chain brake, STIHL Quickstop® Plus (Q) additional chain braking feature, STIHL reduced kickback bars and STIHL low-kickback saw chains.

STIHL recommends the use of green reduced kickback bars and green low kickback chains on all STIHL chainsaws.

* The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.

WARNING FOR CORDED ELECTRIC AND BATTERY CHAINSAW USERS! The fibers may not stop the sprocket on most corded electric chainsaws and some battery-powered chainsaws because of the constant high torque. However, to reduce the severity of injury from accidental contact with the chain, STIHL recommends that leg protection be worn when operating these types of chainsaws.

WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.

Reviews

MSA 140 C-BQ is rated 4.8 out of 5 by 25.
Rated 5 out of 5 by from Best Purchase Ever! I live in the foothills west of Denver with 4+ acres of pine and aspen trees. I frequently ask my husband to cut down a tree, some branches or cut a log that's too big for our stove and there is always a fuel issue with the gas powered chainsaws. Don't get me wrong they work great but are never ready when I am. This purchase has been a great call! I cut some branches about 3-4 " diameter for about an hour, about 10 logs (12") and when I checked the battery, it was still at 4 bars. I love having a battery run chain saw. It's convenient and ready to go when I pop in the battery. It's light and much smaller than our other chainsaws. It's easy for me to handle and a job takes me a few minutes to do. For smaller jobs it's two thumbs up!Positives: Easy, Low Maintenance, Light, Ready When You Are, Doesn't Require Husband Begging!Negatives: Haven't found anything I don't like yet on this
Date published: 2019-11-12
Rated 5 out of 5 by from Best saw for pruning and Honeysuckle removal This saw is a little powerhouse. Working for our local county park system we do a lot of invasive plant removal. We have a fleet of Stihl saws and equipment. last fall we purchased our first battery saw and have not put it down. Many were skeptical, including me, the saw would not hold up to the rigors and demands of everyday use. It has been a year now and this saw, and extra battery, has cut conservatively 20+ acres of 1/2 " to 10" honeysuckle on terrain too rugged or too sensitive to be accessed by pesticide application equipment. The small size and lightweight make it best for climbing around, under and through these vine entangled thickets . Buy a stihl 2&1 file and keep it sharp. the 1/4" picco chain and small bar tip make this the saw for fine cuts. We use this saw for a lot more than just Honeysuckle
Date published: 2019-10-25
Rated 5 out of 5 by from Love the AK line! Bought everything available in the ak series line and absolutely love it all. What a well made product. I only used this chainsaw once with an almost dead ak10 battery and it worked great.
Date published: 2019-09-05
Rated 5 out of 5 by from very versatile saw Light weight, easy access under bushes/brush, operating time on battery is pretty good and can make quite a lot of cuts on a charge. Happy with unit in clearing off a acre plus of heavy/thick brush. It is on the pricey side for a small saw, in comparison to the much bigger/powerful gas powered saws. C.D. Zook
Date published: 2019-08-13
Rated 3 out of 5 by from Underpowered Nice saw that is easy to use and muck quieter than a gas saw. Enough power to cut small branches up to about twp inches. Not enough power for much else. Expensive for what it is.
Date published: 2019-08-10
Rated 5 out of 5 by from Excellent saw. I knew it was a great product. It exceeded my expectations and then some. Even cuts seasoned Walnut with ease. Makes my tree care and cleanup a breeze.
Date published: 2019-08-05
Rated 5 out of 5 by from Very convenient chainsaw This saw has a surprising amount of oomph when you cut into a branch. I use it mainly for pruning up overgrown trees and shrubs. Very convenient no-tools adjustment for chain tension - wish my gas chainsaws had same feature. Saw is quite strong for the weight, and size makes it work great in tight spots. It's comfortable to hold and doesn't vibrate at all. Haven't used it a lot, yet, but very impressed so far.And it is soooo nice not to have to worry with getting a gas chainsaw to crank, which, as any homeowner can tell you, can be a pain. Especially if it is not used regularly. Now, just plug in the battery, and it's ready to go.
Date published: 2019-08-01
Rated 5 out of 5 by from Excellent mini saw This saw very under rated! I have cut & trimmed trees & limbs up to 20” in diameter! Did have to recharge battery every 45 min of use. Also since I only have 1battery would have to put in freezer for about 10 min after use before I could charge! Just finished cutting down full size tree 30’ high x 20”+ trunk! Not recommended but possible! I had to recharge 6 times! And no issues with chain!! FYI for all you very skilled operators just KEEP chain out of dirt!
Date published: 2019-07-26
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Standard Features

  • Common Features for Chainsaws
    View the features common to many STIHL chainsaws.

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