KTR

What KTR does

KTR Systems GmbH is a privately held, family-owned German manufacturer of mechanical power transmission components, headquartered in Rheine, Germany and tracing its origins to 1886. The company operates under the 'Made for Motion' motto and produces a comprehensive portfolio spanning four categories: drive technology and shaft connections (couplings including ROTEX, BoWex, GEARex, POLY-NORM, RADEX-N, RIGIFLEX-N, MINEX, EVOLASTIC, TOOLFLEX, COUNTEX, REVOLEX, and ROFLEX; torque limiters and overload clutches including RUFLEX, SYNTEX, and KTR-SI; CLAMPEX tensioning sets; drive joints; and DATAFLEX/MONITEX torque sensors), brake systems (hydraulic KTR-STOP and electromechanical EMB-STOP lines plus STOP-BLOCK-TURN marine systems and IntelliRamp electronic control), hydraulic accessories (temperature control, pump carriers, damping elements), and cooling systems (oil-air, oil-water, and MMC combination coolers). The company develops over 20,000 custom-engineered products per year alongside standard catalog items, holds certifications including ATEX, UKEX, UL, ISO, API 610/671, AGMA 9008, and DIN standards, and supplies OEMs across construction machinery, agriculture, wind power, marine, pumps and compressors, automation, machine tools, and hydraulics.

Revenue is generated through a dual-channel model combining direct enterprise field sales via 24 country subsidiaries with indirect distribution through 90+ international sales partners; standard catalog products are also sold through the shop.ktr.com e-commerce storefront. Sales are supported by technical sales engineers and product managers providing application engineering consultation, with custom orders handled through direct sales. Pricing is not publicly disclosed. KTR is financially independent and has never raised external funding, maintaining ownership within the founding family and reporting 101-250 employees. Leadership is provided by CEO Nicola Warning, and the company operates a wholly owned brake-systems subsidiary, KTR Brake Systems GmbH (established 2014 in Schloss-Holte-Stukenbrock).

Name

KTR

Legal name

KTR Systems GmbH

Website

https://ktr.com

Company type

Private

Founded year

1886

Operating status

Operating

Headcount range

101–250 employees

Short description

KTR Systems GmbH is a German family-owned manufacturer of mechanical power transmission components including couplings, torque limiters, brake systems, hydraulic accessories, and cooling systems, serving industrial OEMs across construction, agriculture, wind, marine, pumps, automation, and machine tools through 24 country subsidiaries and 90+ sales partners.

Ownership category

akta.pro rank

Product category

Mechanical Power Transmission Components

NAICS

Mechanical Power Transmission Equipment Manufacturing (333613), Other General Purpose Machinery Manufacturing (3339), Fluid Power Valve and Hose Fitting Manufacturing (332912)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Wholesale-Industrial Machinery & Equipment (5084)

akta.pro primary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

akta.pro secondary industries

Hydraulic Power Units & Systems (HPUs, Manifolds, Integrated Circuits) (IMAHAGAB), Proportional & Servo Hydraulics (Electrohydraulic Valves, Servo Systems) (IMAHAGAF), Filtration, Condition Monitoring & Fluid Management (Filters, Breathers, Oil Analysis, Cooling) (IMAHAGAL)

Keywords

• Mechanical power transmission
• Industrial couplings
• Industrial brake systems
• Torque measurement sensors
• Hydraulic cooling systems

Headquarters

HQ city

Rheine

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Industrial Power Transmission Components: KTR generates revenue through the manufacture and sale of mechanical power transmission components including couplings, torque limiters, braking systems, hydraulic components, and cooling systems. Products are sold as standard catalog items and custom-engineered solutions to industrial customers globally. The company develops over 20,000 customized products per year in addition to standard product lines.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

KTR Systems manufactures mechanical power transmission components for industrial machinery and plant engineering, including couplings (elastic claw, curved tooth, gear, magnetic, steel lamella, servo, metal bellows, and highly elastic types), brake systems (hydraulic KTR-STOP and electromechanical EMB-STOP), torque limiters, tensioning sets, torque sensors, hydraulic components, and cooling systems. The company develops over 20,000 custom-engineered products per year in addition to standard catalog items, serving construction, agriculture, wind energy, marine, pumps and compressors, automation, and machine tool industries globally.

Product overview

KTR Systems is a German manufacturer of high-quality mechanical engineering components for machinery and plant construction, operating under the motto 'Made for Motion' for over 60 years. The company offers a comprehensive portfolio of drive technology components organized into four main product categories: (1) Drive Technology and Shaft Connections encompassing couplings (elastic claw couplings like ROTEX®, curved tooth couplings like BoWex®, all-steel gear couplings like GEARex®, magnetic couplings like MINEX®, servo couplings like ROTEX® GS, metal bellows couplings like TOOLFLEX®, steel lamella couplings like RADEX®-N and RIGIFLEX®-N, highly elastic couplings like EVOLASTIC®, and elastic bolt couplings like REVOLEX®), torque limiters/overload clutches (RUFLEX®, SYNTEX®, KTR-SI), tensioning sets (CLAMPEX®), drive joints, and torque sensors (DATAFLEX®, MONITEX® BT); (2) Brake Systems comprising hydraulic KTR-STOP (caliper brakes, floating/fixed caliper brakes, thruster brakes) and electromechanical EMB-STOP systems, plus STOP-BLOCK-TURN systems for marine applications and IntelliRamp electronic control systems; (3) Hydraulic Components including temperature control/monitoring equipment, pump carriers, damping elements, and containers; and (4) Cooling Systems featuring oil-air coolers, oil-water coolers, and MMC combination coolers. The company serves diverse industries including construction machinery, agricultural machinery, wind power, marine, gearboxes, pumps and compressors, automation, machine tools, hydraulics, and power generation, maintaining its headquarters in Rheine, Germany with subsidiaries in 24 countries.

Differentiator

Problem solved

Functional benefit

Brands

• KTR: KTR is identified as a key market player in the universal lateral couplings industry alongside R+W Couplings, SKF, Lovejoy, Timken, and Rexnord.
• KTR Systems

Products and services

• ROTEX® Torsionally Elastic Claw Couplings Elastic jaw couplings with compact design for torque transmission, vibration damping, and compensation of axial, radial, and angular misalignment. Torque ranges from 0 to 35,000 Nm. Designed for industrial machinery and plant engineering applications.
• BoWex® Curved Tooth Couplings Flexible curved-tooth shaft couplings using a double-cardanic working principle that avoids edge pressure during angular and radial displacement, providing nearly wear-free and maintenance-free operation. Torque up to 2,500 Nm.
• GEARex® All-Steel Gear Couplings All-steel gear couplings with grease lubrication and O-ring sealing, conforming to AGMA Standard 9008 B00, suitable for high operational safety and long service life expectations.
• POLY-NORM® Torsionally Elastic Shaft Couplings Three-part large couplings for high torques and shock-loaded drives, transmitting high torques via elastomers between cams with relatively compact external dimensions and shaft diameters up to 900 mm. Used primarily in pump applications.
• RADEX®-N Steel Lamella Couplings Torsionally rigid, backlash-free all-steel couplings with laminated coupling packages made of high-strength stainless spring steel. Torques up to 280,000 Nm, temperature range -30°C to +280°C, ATEX certified.
• RIGIFLEX®-N Steel Lamella Couplings Steel lamella couplings compliant with API 610 and API 671 standards for pumps, compressors, and turbines, featuring large shaft distances and high nominal torques.
• MINEX® Permanent Magnetic Couplings Permanent magnetic couplings that transmit torque contactlessly through magnetic forces between two magnetic rotors, providing hermetic separation of drive and driven sides for pumps and agitators. Materials include stainless steel, Hastelloy, PEEK, and ceramic.
• EVOLASTIC® Highly Elastic Couplings Highly elastic, torsionally secure, and backlash-free shaft and flange coupling with compression-preloaded elastomer element that reduces torsional vibrations in the drivetrain and softly cushions overload shocks.
• TOOLFLEX® Metal Bellows Couplings Backlash-free and torsionally rigid metal bellows couplings made of stainless steel bellows, designed for precision applications requiring backlash-free torque transmission in automation and machine tool applications.
• COUNTEX® Encoder Couplings Three-part, backlash-free and torsionally rigid encoder coupling, axially pluggable and assembly-friendly, with high-temperature resistant intermediate piece for temperatures up to +160°C.
• REVOLEX® Elastic Bolt Couplings Torsionally elastic, torque-safe bolt couplings particularly robust, torque-safe, compensating for all types of shaft offset and safely transmitting torque for high torques starting from 4,300 Nm.
• ROFLEX® Torque-Safe Shaft Couplings Torsionally elastic and torque-safe shaft couplings with short design and minimal DBSE (Distance Between Shaft Ends), ATEX-approved for explosive atmospheres, manufactured to DIN 740 standard.
• RADEX®-NC Backlash-Free Servo Lamella Couplings Backlash-free servo lamella couplings with torsionally rigid and flexurally elastic steel lamellas compensating axial, angular, and radial shaft offsets, operating at temperatures up to +200°C.
• CLAMPEX® Tensioning Sets Shaft-hub connections enabling backlash-free, friction-locked connection between cylindrical, unkeyed shafts and hollow shafts or hubs using radial forces from clamping screws. Alternative to feather key connections.
• RUFLEX® Slip Clutches Slip clutches providing load-holding, friction-based overload protection where the drive element slips when the set torque is exceeded, automatically resuming torque transmission when torque decreases.
• SYNTEX® Safety Couplings Form-locking safety couplings for torques up to 400 Nm using a specially perforated disc spring as the torque-transmitting element, ensuring short response times and high repeatability.
• KTR-SI Torque Limiters / Overload Couplings Torque limiters available in various engagement designs (DK, SR, FR) and forms, offering backlash-free and form-locking ball-latch system solutions for nearly any drive case requiring overload protection.
• ROTEX® GS Backlash-Free Servo Couplings Three-part, preloaded backlash-free servo elastomer couplings with various hub designs and shore hardnesses for optimal coupling selection in automation technology.
• KTR-STOP Hydraulic Brake Systems Hydraulic brake systems including caliper brakes, floating caliper brakes, fixed caliper brakes, thruster brakes, and hub brakes with brake discs for mobile machinery and industrial applications.
• EMB-STOP Electromechanical Brake Systems Electromechanical brake systems offered by KTR Brake Systems GmbH, complementing the hydraulic KTR-STOP product line for different customer preferences and application requirements.
• STOP-BLOCK-TURN (SBT) Marine Brake System Combined brake, lock, and turn systems for ship drives providing integrated brake, lock, and turn functions for azimuth thrusters and rudder propeller systems in marine applications.
• IntelliRamp Electronic Brake Control System Electronic control system providing intelligent braking management for KTR-STOP and EMB-STOP brake systems.
• Hydraulic Components Hydraulic components including temperature control and monitoring equipment (fillister necks, oil eyes, temperature sensors and switches, tank heaters, oil temperature valves), pump carriers, damping elements, and containers and accessories.
• Cooling Systems Cooling systems including oil-air coolers, oil-water coolers, and MMC combination coolers (mobile machinery coolers), available as custom solutions or standard versions for mobile working machines or stationary hydraulics.
• DATAFLEX® Torque Measurement Shafts Precision torque measuring shafts in 11 sizes for measurement ranges of 10 to 20,000 Nm, with integrated encoder for speed and direction measurement. Contactless, maintenance-free operation with coupling delivery for test bench technology.
• MONITEX® BT Torque Measuring Coupling Hub Torque measuring coupling hub with integrated measurement system and inductive power supply for permanent use. Torque and speed data transmitted via Bluetooth to mobile devices. Includes display, app for iOS/Android, and Windows software.
• Wellengelenke (Drive Joints) Precision drive joints in various designs according to DIN 808, consisting of a joint center piece and two hub bodies connected via lugs, with plain or needle bearing mounting options.

Quantifiable outcome

• Over 90% of apprentices stay with KTR after training, indicating strong talent retention and organizational culture
• +1 more outcomes

Named customers6 records

Segments8 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

Five partnerships are on record, tiered minor, core and moderate.

• Magnetic Coupler Market (KTR Systems as market participant)minorOthersKTR Systems is identified as a market participant in the global magnetic coupler market alongside Siemens and EagleBurgmann. The market report cites rare earth magnet couplers dominating with 70% market share in 2026, driven by superior torque transmission and compact design. KTR's MINEX-S and MINEX-H magnetic couplings compete in this market segment.
• Universal Lateral Couplings Market (KTR as industry participant)minorOthersKTR is listed as an industry participant in the global Universal Lateral Couplings Market alongside R+W Couplings, SKF, Lovejoy, Timken, and Rexnord. The market is projected to grow from $12.31 billion in 2025 to $23.73 billion by 2033, driven by industrial automation, technological innovation, and increasing demand in manufacturing, oil & gas, and power generation sectors.
• KTR Brake Systems GmbHcoreStrategic or Co-development PartnerKTR established the KTR Brake Systems GmbH subsidiary in 2014, located in Schloss-Holte-Stukenbrock, Ostwestfalia, Germany. This subsidiary serves as the 'Competence Center for Brake Systems' and focuses exclusively on developing and manufacturing hydraulic (KTR-STOP) and electromechanical (EMB-STOP) braking systems. The subsidiary enables focused innovation and specialized expertise in braking technology.
• Industry 4.0 / IoT Integration PartnersmoderateTechnology or IntegrationKTR products are designed for Industry 4.0 adoption with IoT integration in coupling systems. The MONITEX BT torque sensor transmits data via Bluetooth to mobile devices, and the DATAFLEX torque measurement shaft includes integrated encoders for digital integration. CAD libraries and configurators enable digital engineering workflows.
• TRACTOmoderateImplementation/ SI/ Consulting PartnerKTR supplies drive components to TRACTO, a company specializing in trenchless boring equipment. KTR's components are featured in a case study in the KTR Insight magazine ('Im Zeichen des Maulwurfs' / 'In the sign of the mole') showcasing how KTR components enable underground boring with reduced earth movement, noise, costs, and effort.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Siemens (Flender): Siemens' Flender unit is a global leader in mechanical drive systems and couplings for wind, marine, and industrial applications. Competes with KTR's RADEX-N and RIGIFLEX-N lines especially in wind and process industries.
• Timken (incl. Lovejoy): US bearings and power transmission company that acquired Lovejoy, a long-standing coupling competitor. Competes with KTR in elastomeric and gear couplings for industrial applications.
• Regal Rexnord: US-listed power transmission and motion control conglomerate (includes former Rexnord, McGill, Rollway). Competes with KTR in industrial couplings, gearing, and conveying components via a broad portfolio.
• SKF: Global Swedish bearings and power transmission giant. Competes with KTR across couplings, lubrication, and rotating equipment, though SKF's core franchise is bearings rather than couplings specifically.

Direct peers

• EagleBurgmann: Joint venture between Eagle Industries and Burgmann that competes directly with KTR's MINEX-S magnetic couplings for hermetic sealing in pumps, agitators, and chemical process equipment.
• R+W Couplings: German-based specialist manufacturer of precision servo, safety, and torque-limiting couplings. Closest direct peer to KTR — comparable product portfolio, customer base (automation, machine tools, medical), and private mid-market positioning.
• Mayr Power Transmission: German family-owned manufacturer of safety clutches, brakes, and torque limiters. Overlaps directly with KTR's KTR-STOP, EMB-STOP, RUFLEX, and SYNTEX lines and competes for similar industrial OEM customers.

Emerging players

• Jakob Antriebstechnik: German specialist in metal bellows and servo couplings, a more focused product range than KTR. Comparable in precision spindle and servo applications but with narrower scope than KTR's full portfolio.

Others

• KTR Systems (subsidiary KTR Brake Systems GmbH): KTR's own brake-focused subsidiary, listed here as an internal adjacent business for completeness rather than an external comparable; illustrates how KTR's organizational structure itself mirrors the focused-specialist model used by direct peers like Mayr.

Regional players

• Huco Dynatork (Regal Rexnord): Precision couplings brand now under Regal Rexnord with strong presence in UK/European precision motion markets. Competes with KTR's TOOLFLEX and ROTEX GS lines for servo and encoder coupling applications.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@KTRSystems
• Facebookfacebook.com/KTRSystems
• LinkedInlinkedin.com/company/ktr-group-worldwide
• Instagraminstagram.com/ktr_systems

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 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 KTR