What Duff Norton does

Duff-Norton, founded in 1883 and operated as a brand under Columbus McKinnon Corporation (NYSE: CMCO), is an industrial motion-technology manufacturer headquartered in Charlotte, North Carolina. Its product portfolio centers on mechanical power transmission and linear motion components — notably screw jacks (acme, ball, and stainless-steel variants with capacities from 1,000 lb mini units up to 350-ton heavy-duty systems), industrial linear actuators (MPD and MPB series in the 250–500 lb range plus heavy-duty electric cylinders), lifting columns, bevel gear boxes, modular actuators, and rotary unions (general purpose and steam/hot oil variants) for transferring fluids between stationary and rotating components. Actuator control systems and supporting accessories (motors, reducers, mounting hardware, replacement screws and nuts) round out the offering. The underlying technology is electromechanical rather than digital, relying on precision-machined screw mechanisms, ball-screw efficiency gains, and material selection (e.g., stainless steel for sanitary and corrosive environments) rather than software or AI-based functionality.

The company sells through a hybrid model that combines a sales-led direct channel — phone support at +1 (800) 477-5002 and email at [email protected] — with the much larger Columbus McKinnon global distributor network and authorized repair centers. Free application-engineering assistance is offered to help customers select appropriate products, and the site publishes downloadable 2D/3D CAD models, technical blog content (e.g., IP ratings for harsh environments), and product demonstration videos targeted at engineering buyers. Pricing is quote-based and not publicly disclosed, with capacity ratings (mini, 250 lb, 500 lb, 350-ton, etc.) used as the primary specification tiering mechanism.

Duff-Norton addresses industrial lifting, positioning (push, pull, tilt, roll), and transfer challenges across aerospace and government, automotive manufacturing, food processing and beverage, pharmaceutical, entertainment, heavy machinery and construction, mining/petroleum/gas, transportation and rail, utilities and power generation, and general manufacturing. Named adoption includes Kern Steel for aircraft maintenance platforms. The brand is ISO 9001:2015 certified at the parent level, and Duff-Norton positions itself around long-lived, specification-grade hardware rather than software or subscription offerings.

Name

Duff Norton

Legal name

Duff Norton (Brand of Columbus McKinnon Corporation)

Website

https://duffnorton.com

Company type

Private

Founded year

1883

Operating status

Operating

Headcount range

101–250 employees

Short description

Duff-Norton, a Charlotte, NC-based brand within Columbus McKinnon Corporation (NYSE: CMCO), manufactures industrial linear motion products — screw jacks, linear actuators, electric cylinders, rotary unions, and controls — serving aerospace, automotive, food processing, pharmaceutical, mining, rail, and general manufacturing customers through direct sales and a global distributor network.

Ownership category

akta.pro rank

Product category

Industrial Linear Motion Equipment

NAICS

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing (333924)

SIC

Industrial Trucks, Tractors, Trailors & Stackers (3537)

akta.pro primary industry

Lifting Attachments & Material Handling Accessories (Fork Attachments, Slings, Rigging) (IMAHABAJ)

Keywords

• Screw jack manufacturing
• Linear motion systems
• Industrial linear actuators
• Rotary unions
• Mechanical actuators

Headquarters

HQ city

Charlotte

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Linear Motion Equipment Sales: Duff Norton generates revenue through the sale of industrial linear motion products including screw jacks, linear actuators, rotary unions, and related accessories. Products range from mini units for light-duty applications to heavy-duty systems capable of 350 tons. Sales occur through direct manufacturer engagement and distributor networks.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Duff-Norton manufactures and sells industrial linear motion and positioning equipment, including screw jacks (acme, ball, and stainless steel variants), electric linear actuators (MPD and MPB series and heavy-duty cylinders), lifting columns, bevel gear boxes, modular actuators, and rotary unions for fluid transfer. Products are sold to industrial customers worldwide through Columbus McKinnon's distributor network and direct manufacturer support, with free application engineering assistance to size and select equipment for specific loads (from 1,000 lbs to 350 tons).

Product overview

Duff-Norton, a brand under Columbus McKinnon Corporation, is an industrial motion technology company manufacturing mechanical power transmission and motion control products. The product portfolio centers on linear motion solutions including Screw Jacks (Acme, Ball, and Stainless Steel variants ranging from 1,000 lbs to 350 tons capacity), Industrial Linear Actuators (MPD and MPB series for 250-500 lbs applications), Heavy Duty Linear Actuators, Lifting Columns, Bevel Gear Boxes, and Modular Actuators. Complementing the linear motion line are Rotary Unions (General Purpose and Steam & Hot Oil types) for fluid transfer between stationary and rotating components. The company also offers Actuator Control Systems, Accessories, and Screws & Nuts as supporting components. These products serve diverse industries including aerospace, automotive, food processing, pharmaceutical, entertainment, pulp & paper, construction, marine, mining, rail/road, and energy supply.

Differentiator

Problem solved

Functional benefit

Products and services

• Screw Jacks Industrial screw jacks used to lift, position (push, pull, tilt, roll) and support loads, ranging from mini screw jacks (up to 1,000 lbs) to acme screw jacks (up to 350 tons capacity), including machine and ball screw jack variants. Used in plastics machinery, beverage bottling, aircraft assembly, and paper production.
• Industrial Linear Actuators Electric linear actuators for industrial automation and motion control applications, available in various load capacities and configurations. Used in industrial positioning, automation, and motion control.
• Heavy Duty Electric Cylinder Actuators High-capacity electric cylinder actuators for heavy industrial lifting and positioning applications requiring high load capacities.
• Lifting Columns Column-style lifting devices for ergonomic workstations, medical equipment, and industrial automation applications requiring vertical positioning.
• Bevel Gear Boxes Bevel gear boxes for transmitting rotational motion at various angles in industrial power transmission systems.
• Modular Actuators Customizable modular actuator systems designed for specialized industrial motion control requirements.
• Rotary Unions Mechanical devices enabling transfer of fluid (water, steam, oil, air) from a stationary supply to a rotating component such as spindles, rotors, or shafts. Includes general purpose and steam/hot oil variants.

Quantifiable outcome

• Screw jack capacity range from mini (1,000 lbs) to heavy-duty (350 tons)
• +1 more outcomes

Named customers1 record

Segments9 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Thomson Industries: Thomson manufactures linear motion components including lead screws, ball screws, and linear actuators with overlapping industrial applications. Direct competitor to Duff Norton's screw jacks and electric actuators in factory automation and OEM machinery.
• Linak: Linak specializes in electric linear actuators and lifting columns used in industrial automation, ergonomic workstations, and medical equipment. Direct overlap with Duff Norton's MPB/HMPD series and lifting column product lines.
• Warner Electric: Warner Electric (part of Altra Motion) produces industrial linear actuators, electric cylinders, and motion control products. Direct comparable to Duff Norton's electric actuators and actuator control systems.
• Joyce Dayton: Joyce Dayton manufactures mechanical screw jacks, actuators, and rotary unions for industrial applications. A long-standing direct peer to Duff Norton with overlapping products and customer base, historically co-distributed through similar industrial channels.
• Nook Industries: Nook Industries is one of the closest direct competitors, manufacturing screw jacks, ball screws, and linear actuators for industrial lifting and positioning. Highly comparable product lineup to Duff Norton's core offerings across the same end markets.
• Moog Inc. Moog's Industrial Group designs electromechanical motion control products including servo actuators and linear positioning systems for industrial machinery. Direct overlap with Duff Norton's heavy-duty electric cylinder actuators.

Broad incumbents

• Bosch Rexroth: Bosch Rexroth is a major manufacturer of linear motion technology, electric cylinders, and tightening systems. Significant overlap with Duff Norton in industrial automation, but operates at much larger scale across broader motion-control categories.
• Parker Hannifin: Parker's Motion & Control division offers electric and hydraulic cylinders and actuators across a much broader portfolio. Overlaps with Duff Norton's actuator and rotary union products but serves a much wider set of motion-control applications at significantly larger scale.
• SMC Corporation: SMC is a global leader in pneumatic and electric actuator technology serving factory automation with a much broader portfolio. Comparable to Duff Norton's actuator and automation offerings but at substantially larger scale.

Regional players

• Tsubaki: Tsubaki manufactures linear motion products including ball screws, actuators, and power transmission components. Comparable technology overlap with Duff Norton; primarily serves Asian and Japanese industrial markets rather than competing directly in North America.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/duffnorton
• LinkedInlinkedin.com/company/duff-norton

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Duff Norton