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AKM™ Series Servo Motor

Our wide range of standard configurations offer the same advantages as a custom solution

With more than 500,000 standard products and practically unlimited co-engineered modifications, selecting the right-fit motor—optimized for your specific application requirements—has never been easier.

  • Extensive choice and flexibility from a wide range of standard products and co-engineered modifications for an exact fit to your design requirements
  • Best-in-class performance, with industry-leading power density
  • Exceptionally low cogging and low harmonic distortion to ensure smooth performance
  • Easy to commission and use, with plug-and-play motor recognition and full-frequency autotuning on AKD™ Series servo drives
Product available worldwide
AKM Family_l
Industry 4.0 Ready



  • 8 frame sizes, 28 frame/stack combinations
  • Speeds up to 8,000 RPM
  • 75 VDC; 120, 240, 480 VAC windings
  • A wide variety of feedback devices, mountings and seals
  • Direct mate to most Kollmorgen servo drives
  • Windings are rated at 100°C rise over a 40°C ambient while using 155°C (class F) insulation materials
  • cURus, CE Compliant, UL Recognition


  • Feedback devices: resolver, SFD, incremental and sine encoders
  • Seals for improved environmental protection
  • Shaft ends closed or open keyway, flat, smooth
  • Dual or single Intercontec connectors, straight or rotatable
  • 24 VDC fail-safe brakes
  • IP67 washdown versions with food-grade greases and finishes


Stack Length 1,2,3 1,2,3,4 1,2,3 1,2,3,4 1,2,3,4 2,3,4,5 2,3,4 2,3,4
Windings B,C,D,E C,D,E,F,G C,D,E,H C,E,G,H,J,K E,G,K,L,M,N G,K,L,M,N,P K,L,M,P T
Max BUS (VDC) 320 640 640 640 640 640 640 640
Max Stall Tc
Nm (lb-in)
Max Tp
Nm (lb-in)
Max Rated N 8000 8000 7000 6000 6000 6000 3500 3000
Max Rated Power
@ Max BUS
kW (Hp)

Servo Motor Product Selector

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Design Tools

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Count on Kollmorgen support to help you design and build a successful machine and keep it reliably productive, anywhere in the world. Our co-engineering experts will work with you to tailor a perfect-fit solution for your motion requirements.

Talk to a motion expert

For more than 100 years, Kollmorgen has been creating innovative solutions that bring big ideas to reality, keep the world safer and improve lives. Our history of reliability is unsurpassed, and our solutions are supported through engineering centers of excellence and customer service in all major regions of the world.

See the Kollmorgen global footprint   |   Discover the Kollmorgen difference
Title Language(s) Date Size
pdfAKD2G, AKD Accessories Guide Europe EN (REV 08-2021) English 07 Sep 2021 7.02 MB Copy URL
pdfAKD2G, AKD and S700 Accessories Guide North America EN (REV K) English 29 Sep 2020 5.36 MB Copy URL
pdfAKD2G, AKD Zubehörhandbuch Europa DE (REV 08-2021) German 07 Sep 2021 7.03 MB Copy URL
pdfAKM Instruction Manual EN DE IT ES FR RU (REV 06/2021) English, French, German, Italian, Russian, Spanish 01 Jul 2021 8.5 MB Copy URL
pdfAKM Part Number Scheme and Connectivity English 27 May 2020 1.07 MB Copy URL
pdfAKM Transport Anleitung DE (REV 12-2010) German 01 Dec 2010 682.31 KB Copy URL
pdfAKM Transport Instruction Manual EN (REV 12-2010) English 01 Dec 2010 956.86 KB Copy URL
pdfAKM Typenschlüssel German 27 May 2020 1.08 MB Copy URL
pdf科尔摩根AKM同步伺服电机选型指南 Chinese, Simplified 19 May 2021 14.3 MB Copy URL
pdf科尔摩根AKM电机安装手册_EN_2021 Chinese, Simplified 02 Jun 2021 5.87 MB Copy URL
Application Notes
Title Language(s) Date Size
pdfA Simplified Machine Design Approach for Optimal Servomotor Control English 05 Feb 2015 522.96 KB Copy URL
pdfDBL Motor to AKM Mounting Cross Reference English 10 Aug 2017 335.1 KB Copy URL
pdfServo Motor Phasing with Hall Commutation English 05 Feb 2015 524.36 KB Copy URL
pdfServomotor Parameters and their Proper Conversions for Servo Drive Utilization and Comparison English 05 Feb 2015 656.98 KB Copy URL
Title Language(s) Date Size
Kollmorgen 2G Cable Guide English 14 Mar 2019 Copy URL
Title Language(s) Date Size
Kollmorgen 2G Cable Guide English 14 Mar 2019 21.67 MB Copy URL
Kollmorgen AKM Servomotor Selection Guide English 28 Apr 2021 31.97 MB Copy URL
Kollmorgen Automation and Motion Control English 14 Jun 2021 15.53 MB Copy URL
Kollmorgen Automation Solutions and Product Catalog EMEA English 21 Jun 2018 15.99 MB Copy URL
Kollmorgen Optimized Solutions and Special Duty Motors English 01 Jan 2018 1.26 MB Copy URL
Title Language(s) Date Size
Kollmorgen Robotic Solutions Brochure EMEA English 23 May 2018 2.56 MB Copy URL
Packaging Brochure EN English 28 Aug 2013 2.14 MB Copy URL
Robotic Solutions Brochure English 17 Apr 2018 3.06 MB Copy URL

These 3D models are intended to guide your design activities and may be used as reference information. Be sure to consult a Kollmorgen expert to ensure you have the most current and accurate information for critical aspects of design work

Title Language(s) Date Size
AKM 3D Models & 2D Dimensions English 05 Jun 2018 Copy URL
Grounding and Shielding Landing Page (Prevent Noise Issues) Best Practices EMI Checklist - Application Note specifying recommended best practices for grounding, shielding, and wiring for servo systems. Shielding Cables: Eliminating Electromagnetic...
Speedtec Cable Notice (O-Ring) AKM motors that have Speedtec ready connectors when paired with a 2G cable, which have Speedtec connectors, must have the motor O-ring removed for the two to pair completely.  The motor O-ring...
Ingress Protection of Servo Motors [toc] Sealing is an important design tool used to prolong the life of motors against harsh environments containing dust or liquid contaminants. There are arguably an unlimited number of...
Configurando Motores com Freio no Workbench [toc] Descrição A única forma de controlar o tempo e acoplamento/desacoplamento do sistema de frenagem estática de um servomotor nos drives AKD, é através da parametrização...
FAQ Seiten Im Folgenden finden Sie Links zu den verschiedenen FAQs (Frequently Asked Questions) auf dieser Website. AKD2G FAQ (EN) AKD FAQ (DE) Feedback (DE) FAQ Feldbus FAQ Sicherheit FAQ...


Title Language(s) Date Size
pdf1G Performance Feedback Cable (CF-DA0374N-XX-X) REACH SVHC Certification English 20 Aug 2020 66.31 KB Copy URL
pdf1G Performance Feedback Cable (CF-DA0374N-XX-X) RoHS Certification English 20 Aug 2020 68.25 KB Copy URL
pdf1G Performance Power Cable (CP-507CCAN-XX-X) REACH SVHC Certification English 20 Aug 2020 65.12 KB Copy URL
pdf1G Performance Power Cable (CP-507CCAN-XX-X) RoHS Certification English 20 Aug 2020 66.68 KB Copy URL
pdfAKM EU RoHS Declaration (RoHS10W) English 09 Nov 2021 279.41 KB Copy URL
pdfAKM REACH SVHC Certificate of Compliance English 01 Feb 2022 279.3 KB Copy URL
pdfAKM Servomotor EU Declaration of Conformity EN English 30 Jul 2019 75.9 KB Copy URL
pdfAKM Servomotor EU Declaration of Conformity US EN English 09 Apr 2020 323.89 KB Copy URL
pdfAKM UL Certificate of Compliance English 26 Nov 2018 815.78 KB Copy URL
pdfAKM Washdown FDA Zertifikat - German German 19 Dec 2011 348.14 KB Copy URL
pdfAKM1G UKCA Declaration of Conformity (E.U.) English 25 Oct 2021 93.82 KB Copy URL
pdfAKM1G UKCA Declaration of Conformity (U.S.A.) English 25 Oct 2021 89.6 KB Copy URL
Blue Guide German 15 Jul 2015 Copy URL
pdfCEL China Efficiency Labelling for Servo and Stepper Motors English 17 Dec 2021 139.72 KB Copy URL
pdfEAC Certification for Motors English, Russian 09 Dec 2020 98.97 KB Copy URL
pdfEU-Konformitätserklärung AKM German 19 Apr 2016 126.62 KB Copy URL
pdfKollmorgen CE Technical Notice - Servo and Stepper Motors Efficiency English 26 Aug 2020 389.92 KB Copy URL
Kollmorgen Servo & Stepper Motor Online UL Certification English 01 Feb 2017 Copy URL
pdf科尔摩根AKM电机CCC认证 Chinese, Simplified 02 Jun 2021 175.69 KB Copy URL
pdf科尔摩根AKM电机CE认证 Chinese, Simplified 02 Jun 2021 323.89 KB Copy URL
pdf科尔摩根AKM电机cUL认证 Chinese, Simplified 02 Jun 2021 519.61 KB Copy URL
pdf科尔摩根AKM电机EAC认证 Chinese, Simplified 02 Jun 2021 98.97 KB Copy URL
pdf科尔摩根AKM电机REACH认证 Chinese, Simplified 02 Jun 2021 51.99 KB Copy URL
pdf科尔摩根AKM电机RoHS认证 Chinese, Simplified 02 Jun 2021 323.89 KB Copy URL
pdf科尔摩根AKM电机UL认证 Chinese, Simplified 02 Jun 2021 815.78 KB Copy URL