The SITI M-NHL Series are high-performance inline helical gearboxes and geared motors designed for industrial power transmission applications requiring high efficiency, reliability, and flexible mounting options. These gearboxes are engineered with a modular design and are suitable for demanding applications such as conveyors, pumps, material handling, packaging machinery, water treatment systems, cranes, and hoists.

The M-NHL range combines compact construction with strong torque capabilities and smooth, quiet operation, making them ideal for continuous-duty industrial environments.

Key Features

• High efficiency inline helical gearbox design
• Compact and lightweight construction
• Modular design for flexible configurations
• Available in 10 sizes with multiple mounting options
• 2, 3, or 4 reduction stages available
• Wide ratio range up to approximately 466:1
• Maximum torque up to 12,000 Nm
• Input power capacity up to 210–336 kW depending on model
• Foot mount or flange mount configurations
• Shaft mount or solid shaft output options
• Available with IEC motor adapters and geared motor assemblies
• Quiet, low vibration operation
• Long bearing life and heavy-duty construction
• Cast iron housings for larger sizes and aluminium housing on smaller models
• Suitable for harsh industrial applications
• Optional ATEX versions available for hazardous environments
• High interchangeability and easy maintenance