Electric motor families
Industrial and marine motors with application-specific efficiency, voltage and enclosure options.
View sourceElectric motors, drives and marine power packages combined with engineering, installation and lifecycle service. The combined Hoyer VMS group supplies industrial and marine OEMs and undertakes engine, turbocharger, gearbox, propeller and shaft work through its international service network. Danish operations include motor administration in Hadsten and marine aftermarket work in Frederikshavn.
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Industrial and marine motors with application-specific efficiency, voltage and enclosure options.
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Marine/industrial drive controls, engine/generator packages and propulsion supply.
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Engines, turbochargers, propulsion and machining through the group service network.
View sourceSystem assessment, integration, conversion and commissioning.
View sourceEngine renewal and drive/control retrofits for existing systems.
Overhaul and repair of four-stroke marine diesel engines.
Adaptation of standard motors to application-specific requirements.
On-demand electrical, mechanical and performance tests for motors.
Maintenance, repair and alignment of marine gearboxes and shafts.
Installation and commissioning of motor, drive and power systems.
Motor condition assessment using electrical, mechanical and thermal measurements.
Engineering and integration of power, motion and control systems.
Repair and reconditioning of bronze and stainless-steel propellers.
Turbocharger inspection, repair and rotor balancing.
Workshop and on-site machining for marine and industrial equipment.
VARD
Engineered six Wabtec MDC-based generator sets for VARD’s 164 m RV11000 research vessel for Inkfish, integrating engines, generators, controls, vibration isolation, acoustic treatment and interfaces. The vessel was under construction when the project was announced on 17 August 2026.
A retrofit for a European shipowner reduced engine-room fan energy use by 49%, seawater cooling-pump use by 54% and freshwater-chiller use by 40%. These figures concern one vessel in the 24 August 2026 account; its measurement period is not disclosed.
DNV type approval: HMC3 80–355
DNV TAE000041E revision 2, issued 2025-12-04, valid until 2030-08-03. Holder Svend Hoyer A/S, Hadsten. HMC3 80–355 motors: 220–690 V,0.75–378 kW,50/60 Hz, IP55/56/65/66 per selected configuration. Essential/important-function motors above 300 kW require separate DNV product certification. Manufacturing places identified only by DNV IDs 10694675 and 10330395; not proof of Hadsten production.
ATEX HMCX 80–355 type examination
CNEX 19ATEX0028X, issue 8 dated 24 April 2026. Holder Svend Hoyer A/S, Over Hadstenvej 42; additional manufacture explicitly in Ningbo, China. HMCX 80–355 explosion-proof three-phase motors. Model-dependent gas/dust markings and 0.37–375 kW schedule; this is design examination, not complete manufacture/supply conformity. Specific X conditions apply to ambient temperature, converter duty, winding protection and flameproof-joint repairs.
IECEx HMCX 80–355 certification
IECEx CNEX 19.0019X, issue 8 dated 24 April 2026, with the document status Current. Svend Hoyer A/S holder; Ningbo manufacturing site. HMCX 80–355 with model-dependent Ex db/db eb gas and tb/tc dust protection. X conditions include ambient/duty limits, PTC protection for converter or non-S1 operation, switching frequency at least 2000 Hz and voltage rise limit 1500 V/µs. Flameproof-joint repairs require manufacturer specifications.
Bosch Rexroth
Motor-supply relationship lasting more than 20 years, with preferred-supplier recognition for 2026–2028.
View sourceYANMAR
Equipment supply partner listed in the marine range.
View sourceWabtec
Equipment supply partner listed in the marine range.
View sourceMasson Marine
Equipment supply partner listed in the marine range.
View sourceAC motors
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Updated Sep 13, 2026