Overview

Duff-Norton, a brand of Columbus McKinnon (CMCO), is a global leader in motion control and mechanical actuation technologies. With a product line spanning screw jacks, linear actuators, rotary unions, and lifting systems, Duff-Norton solutions are built to handle heavy loads, high duty cycles, and extreme environments with precision and reliability.

For over 130 years, Duff-Norton has provided engineered solutions for industrial automation, lifting, positioning, and material handling — offering both standard products and custom-built systems.

Product Offerings

  • Mechanical Screw Jacks (Worm Gear, Ball Screw, Machine Screw)
  • Electric and Hydraulic Linear Actuators
  • Rotary Union Products (Single and Multi-Passage)
  • Electro-Mechanical Actuation Systems
  • Actuated Lifting and Positioning Tables
  • Limit Switches, Couplings, and Gearboxes
  • Custom Engineered Motion Control Solutions

Resources

ball-screw-actuator

Industries & Applications

Duff-Norton products are used in:

  • Steel Mills and Foundries
  • Pulp and Paper Production
  • Water and Wastewater Treatment
  • Aerospace and Defense Manufacturing
  • Mining, Oil & Gas, and Bulk Material Handling
  • Power Generation and Solar Positioning Systems
  • Packaging and Assembly Lines

Key Advantages

  • High Load Capacity (up to 250 tons)
  • Precise Positioning with Linear Accuracy
  • Engineered-to-Order Configurations Available
  • Robust Performance in Harsh and High-Duty Environments
  • Backed by CMCO’s Global Engineering and Support