Back to top

AKM™ Washdown and Food Grade Servo Motors

Kollmorgen AKM™ Washdown and Washdown Food Series motors are available in frame sizes 2 through 6. These innovative motors incorporate our industry-leading AKM electromagnetics within a housing protected by a 2-K coating and IP67-rated seal configuration. Stainless steel hardware is used on all precision interfaces. The food-grade model incorporates greases that are safe for incidental contact and consumption.

Product available worldwide
Industry 4.0 Ready



  • Frame sizes 2 through 6
  • Static torques from 1 to 25 N-m
  • Available with a wide range of standard lengths, windings, feedback systems and connection technologies
  • Resistant to corrosive chemicals including highly alkaline or acidic cleaning products
  • Food-grade version complies with FDA requirements, including lubricants and materials safe for incidental contact and consumption
  • IP67 seal design featuring PTFE shaft seal
  • Stainless steel shaft


  • Ideal for applications subject to strict hygiene regulations
  • A cost-effective solution for any application that requires periodic washdown
  • Increased motor life
  • Higher purification rating
  • No additional cover or special protection required for the motor casing
  • Meets the needs of a wide range of applications without requiring expensive, high-grade stainless steel for the motor casing
  • Stainless steel used for motor shaft, screws and connectors


Frame Size units AKM2 AKM3 AKM4 AKM5 AKM6
Stack Length   1,2,3,4 1,2,3 1,2,3,4 1,2,3,4 2,3,4,5
Windings   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
Max BUS VDC 640
Max Stall Tc Nm (lb-in) 1.4 (12.6) 2.88 (25.5) 6.0 (53.1) 14.1 (125) 25.0 (221)
Max Tp Nm (lb-in) 4.82 (42.7) 10.22 (90.5) 20.4 (181) 38.4 (340) 65.2 (577)
Max Rated N 8000 7000 6000 6000 6000
Max Rated Power @ Max BUS kW (Hp) .54 (.72) 1.19 (1.59) 1.73 (2.32) 3.87 (5.19) 6.16 (8.25)
Chemical Resistance (Ph) 2–12
Ingress Protection   IP67
Shaft   Stainless Steel
Connector Housing   Stainless Steel*

Get Started

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
Title Language(s) Date Size
pdfAKM Instruction Manual EN DE IT ES FR RU (REV 10/2019) English, French, German, Italian, Russian, Spanish 25 Oct 2019 5.87 MB Copy URL
Title Language(s) Date Size
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
pdfKollmorgen CE Technical Notice - Servo and Stepper Motors Efficiency English 26 Aug 2020 389.92 KB Copy URL
Title Language(s) Date Size
Kollmorgen 2G Cable Guide English 14 Mar 2019 Copy URL
pdfWashdown Data Sheet EN revC English 28 Aug 2013 215.34 KB Copy URL
Title Language(s) Date Size
AKM Washdown Brochure en-EN revA English 16 Feb 2012 213.25 KB Copy URL
AKM Washdown Datasheet EN revC English 24 May 2012 215.34 KB Copy URL
Kollmorgen AKM Washdown Food Gearmotor Flyer UK English 02 Oct 2015 578.43 KB Copy URL
Kollmorgen Motion Components Brochure EN RevB English 14 Oct 2011 1.81 MB Copy URL
Title Language(s) Date Size
Kollmorgen AKM Servomotor Selection Guide English 04 Jan 2018 9.83 MB Copy URL
Kollmorgen Automation and Motion Control English 06 Nov 2019 15.76 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
AKM 3D Models & 2D Dimensions English 05 Jun 2018 Copy URL
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...
DESINA Farbkodierung DESINA steht für DE zentralisierte und S tandardisierte IN st A llationstechnik für Werkzeugmaschinen und Produktionssysteme.DESINA beschreibt die...
Conflict Minerals Kollmorgen is committed to sourcing components and materials from companies that share our values regarding respect for human rights, integrity and environmental responsibility. Kollmorgen is also...
CCC Marking The CCC-Certificate is the Chinese compulsory certificate for different groups of products since May 2002, in particular, consumer goods, electronic products, and automotive products. Due to the...
DESINA Color Code DESINA is an abbreviation for DistributEd and Standardised INstAllation technology for machine tools and manufacturing systems. DESINA is a specification for standardizing electric, hydraulic and...