MSA 161 T Arborist chainsaw

Top-handle cordless chainsaw for professional use

The MSA 161 T is the next generation in cordless top handle chainsaws. This light weight chainsaw features a 40% higher chain speed and 15% increase in motor performance over its predecessor, the MSA 160 T. The low profile, ¼ P chain reduces chain chatter for a smooth and precise finish. The battery-powered chainsaw features a trigger side-lock button for added safety, a large throttle interlock lever and carrying ring for attaching the saw for aerial use. The cordless nature of the new saw means that the MSA 161 T is so quiet in operation that ear defenders are not required while working. With a run time of up to 42 minutes with the AP 200 battery (2018 version), this cordless chainsaw is a perfect addition to the fleet.


NOTE: For purchase by certified arborists only.


You can find videos showing you how to fill your machine with fuel and oil, fit bars and chains and start your chainsaw here.

Versions Price
MSA 161 T - 12" / 30 cm £360.00*
MSA 161 T - 10" / 25 cm £354.00*
  • Technical data
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    Technical data Value
    Weight kg 1) 2.5
    Cordless Technology Lithium-Ion AP System
    Rated voltage V 36
    Recommended battery AP 200
    Recommended bar length cm/inch 30cm/12"
    Run time with AP 200 min 2) up to 42
    Run time with AP 300 min 3) up to 50
    Run time with AP 300 S min 4) up to 62
    Weight kg 5) 2.1
    Chain gauge 1/4"P
    Vibration level left/right m/s² 6) 2.5
    Sound pressure level dB(A) 7) 84
    Sound power level dB(A) 7) 94
    Oil tank volume cm3 105

    1) Without battery, with bar and chain
    2) Run times vary depending on the application
    3) Run times can vary depending on use and application
    4) Running times are reference values ​​and may vary depending on the application.
    5) Excluding battery, bar and chain
    6) Uncertainty (K) factor according to DIR 2006/42/EC = 2 m/s²
    7) Uncertainty (K) factor according to DIR 2006/42/EC = 2.5 (dB(A)

  • Features
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    Standard features

    • Side chain tensioner

      The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.

    • QuickStop Super Chain Brake (Q)
      QuickStop Super Chain Brake (Q)

      The additional braking system for extra safety. Users can trigger the chain brake directly at the rear handle. The chain stops in seconds whenever the user lets go of the rear handle and whenever there is sufficiently strong kickback or when the front hand guard is activated. This unique safety feature ensures even more user protection in all working positions.

    • New operating system

      Side-lock button for increased safety remains locked until this button is pushed in.

    • Toolless filler cap

      The tank can be filled quickly and easily using the toolless filler cap.

    • STIHL Electric Motor (EC)

      The STIHL electric motor (EC) is extremely energy efficient, lightweight and compact. It runs quietly, generates very low vibrations and does not require servicing.

    • Hand guard

      Ensures clear feedback when engaging or disengaging the chain brake.

  • Accessories
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    • Rollomatic E Mini

      The combination of this particularly narrow guide bar with the 1/4" Picco chain, offers considerable savings in weight coupled with improved cutting performance. Like all STIHL guide bars, it is made of high-grade chrome molybdenum steel.

      Pitch Inch 1/4 P
      Groove width mm 1.1
      Number of teeth 8

      Versions Price
      Rollomatic E Mini 1/4" P, 25 cm / 10" £34.50* Save and compare
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    • Rollomatic E Mini

      The combination of this particularly narrow guide bar with the 1/4" Picco chain, offers considerable savings in weight coupled with improved cutting performance. Like all STIHL guide bars, it is made of high-grade chrome molybdenum steel.

      Pitch Inch 1/4 P
      Groove width mm 1.1
      Number of teeth 8

      Versions Price
      Rollomatic E Mini 1/4" P, 30 cm / 12" £36.76* Save and compare
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    • Picco Micro 3 (PM3)

      Exclusive to STIHL: This saw chain was specially designed for light, compact chainsaws and ensures less kickback and lower vibration levels. It combines exceptional cutting performance and quality with great user comfort. The 1/4" Picco chain features a flat and narrow design as well as the small chain pitch.

      Pitch inch 1/4
      Drive link gauge mm 1.1
      Chain pitch 6.35mm/1/4"P
      Drive link thickness 1.1mm/.043"
      Required File size 3.2mm / 1/8"

      Versions Price
      Picco Micro 3 (PM3) 1/4" P, 1.1 mm, 57 drive links, 25 cm / 10" £17.00* Save and compare
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    • Picco Micro 3 (PM3)

      Exclusive to STIHL: This saw chain was specially designed for light, compact chainsaws and ensures less kickback and lower vibration levels. It combines exceptional cutting performance and quality with great user comfort. The 1/4" Picco chain features a flat and narrow design as well as the small chain pitch.

      Pitch inch 1/4
      Drive link gauge mm 1.1
      Chain pitch 6.35mm/1/4"P
      Drive link thickness 1.1mm/.043"
      Required File size 3.2mm / 1/8"

      Versions Price
      Picco Micro 3 (PM3) 1/4" P, 1.1 mm, 65 drive links, 30 cm / 12" £19.66* Save and compare
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    • AP 200 Battery

      36 V, 4.8 ah Lithium-Ion battery. The AP 200 offers excellent run times on our cordless tools. The battery has an integrated LED charge indicator, clearly displaying as and when the battery needs charging. Compatible with the AL 101, AL 300 and AL 500 charger unit. Click on the technical data tab of individual products to learn more about machine run times.

      Battery weight kg 1.3
      Rated voltage V 36
      Capacity Wh 0) 187
      Nominal cell capacity (according to manufacturer) Ah 2.6
      Battery cell technology LITHIUM-ION
      Capacity ah 4.8
      Charge voltage V 42
      Temperature range °C 5-40
      Discharge temperature range °C -10-50

      1) Energy content according to cell manufacturer specification. To increase the service life, the energy content available in the actual application is lower.

      Versions Price
      AP 200 £140.00* Save and compare
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    • AL 300 Quick charger

      Quick charger for STIHL Lithium-Ion batteries. With operating mode indicator and active battery cooling.

      The quick charger will fully charge an AK 10 battery in 45 minutes, AK 20 in 55 minutes and AK 30 in 60 minutes.

      The quick charger will fully charge an AP 100 battery in 50 minutes, AP 200 in 55 minutes, AP 300 in 75 minutes and AP 300 S in 70 minutes.

      Weight kg 1.2
      Mains voltage V 220-240/50
      Charging time AR 1000 min 0) 180
      Charging time AP 200 min 0) 55
      Charging time AP 300 min 0) 75
      Charging time AR 2000 min 0) 250
      Charging time AR 3000 min 0) 300
      Rated voltage V 220-240
      Power output kW 0.3
      Weight kg 0) 1.2
      Rated current A 2.3
      Protection class II
      Charging current A 6.5

      1) Up to 100 % capacity
      2) 0

      Versions Price
      AL 300 quick charger £70.00* Save and compare
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    • ADVANCE X-CLIMB Helmet Set

      The X-Climb is the first multi-norm helmet from STIHL designed specifically for tree surgeons. The new X-Climb conforms to both; EN 397 (helmets for industrial use “hard hats”) and also EN 12492 (helmets f or climbing and mountaineering). This makes the X-Climb perfect for tree surgeons who an wear this helmet on the ground as well as in the tree.

      Head protection combination in a new, modern design with a good balance. Universally applicable on the ground for wood harvesting and tree care work. Very comfortable to wear thanks to very good ventilation, 4-point chinstrap with magnetic closure and comfortable ratchet adjustment of the headband. High security through reflective stickers. Helmet shell made of UV-stabilized ABS, visor made of nylon for a long service life, highly insulating ear defenders SNR 28. Complies with EN 397, EN 12492.

      Ear protection SNR 28 (H:35; M:26; L:16)
      Helmet material ABS
      Light penetration % 55.55 %

      Versions Price
      ADVANCE X-CLIMB Helmet Set £124.17* Save and compare
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    • ADVANCE X-TREEm jacket

      The ADVANCE X-TREEm jacket has been designed specifically for forestry workers and arborists.

      • The jacket offers supreme comfort and maneuverability
      • The highly elasticated Prolast inserts help ensure freedom of movement and breathability
      • Durability is also assured through the inclusion of abrasion protective areas on the shoulders and elbows
      • Removable sleeves and adjustable ventilation openings offer comfortable regulation of body temperature
      • Black, high-visibility orange and silver reflective strips increase safety when climbing or on the ground
      • Two breast pockets, one inside pocket and one sleeve
      • Awarded the KWF Test quality mark

      No chainsaw protection

      Fit Slim
      Size XS - XXL
      UV sun protection factor 40+
      Weight kg 0) 0.6
      Elastic outer fabric Yes
      Low temperatures protection 0) +
      Breathability 0) +++
      Water repellency 0) +++
      Material durability 0) +++
      Cut protection type / Class No protection

      1) Based on size 52
      2) + good ++ very good +++ excellent

      Versions Price
      ADVANCE X-TREEm jacket, size M (Chest 39") £290.00* Save and compare
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    • ADVANCE X-TREEm trousers

      The ADVANCE X-TREEm trousers have been designed specifically for forestry workers and arborists.

      • Made from light and breathable AVERTIC™ pro lite cut protection material for unprecedented levels of comfort for cut protection trousers, tested in accordance with BS EN 381
      • Less fatigue thanks to ProElast and perfect for professional use under extreme conditions such as on hot summer days
      • Ventilation openings with zips to regulate body temperature
      • Hard wearing, dirt and water resistant materials have been used making these trousers ideal for forestry work
      • Ceramic-coated trimmings provide abrasion protection
      • The inner lining is quick-drying and soft for greater comfort
      • Black, high-visibility orange and silver reflective strips increase safety when climbing or on the ground
      • Flat pockets with zips on the hip, seat and thigh areas
      • Braces are included for an alternative option
      • Awarded the KWF Pro quality mark

      Trousers have cut protection class 1 (=ˆ 20 m/s)

      Cut protection layers 6
      Cut protection type / Class Design A / Class 1
      Weight kg 0) 1.1
      Fit Slim
      Size 25" - 46"
      UV sun protection factor 40+
      Ventilation openings Yes
      Elastic outer fabric Yes
      Elastic waistband Yes
      Low temperatures protection 0) +
      Breathability 0) +++
      Dirt repellency 0) +++
      Water repellency 0) +++
      Material durability 0) +++

      1) Based on size 52
      2) + good ++ very good +++ excellent

      Versions Price
      ADVANCE X-TREEm trousers, size M (Waist 31-34" Leg 32") £325.00* Save and compare
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    • CONTRAST Glasses - Clear

      EN 166, material with 100 % UV protection, side protection, padded earpieces, non-misting interior, scratch-resistant exterior.

      UV-Protection % 100
      Weight g 26.0

      Versions Price
      CONTRAST Glasses - Clear £14.00* Save and compare
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    • FUNCTION Protect MS

      Protect MS FUNCTION. Highly comfortable thanks to leather/textile combination and elastic knitted cuff, cut protection in the back of both gloves. Sizes 8, 9, 10, 11. EN Protection Class 0 (equivalent to 16 m /s).

      Cut protection class Class 0
      Elasticated or fitted cuffs Yes
      Lined Yes

      Versions Price
      Protect MS FUNCTION Safety gloves, Class 0, size M £37.00* Save and compare
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    • ADVANCE GTX trekking chainsaw boots

      Special profile sole with very good grip. High quality, water-repellent suede. With breathable and waterproof GORE-TEX® membrane. Additional water and wear protection provided by high-rise rubber edge. Highly absorbent, removable inner sole. Suitable for demanding, professional chainsaw users on hillsides and for tree maintenance. EN ISO 17249, cut resistance Class 2 (= 24 m/s).

      Leg height cm 20
      Weight kg 0) 2.5
      Cut protection class Class 2
      Size 39 - 47

      1) Approx per pair, using size 42

      Versions Price
      ADVANCE GTX trekking chainsaw boots, size 43 / 9 £250.00* Save and compare
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  • Documents
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    Owners manuals

* Manufacturer's recommended retail price updated as of February 2020. The manufacturer's recommended retail prices are subject to change without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.