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Sumitomo Hansen P4 Single Stage Gearbox

The Sumitomo Hansen P4 Single Stage Gearbox is a high-capacity parallel shaft gearbox engineered for demanding industrial power transmission applications. Designed to balance thermal efficiency and mechanical performance, the P4 Series delivers reliable operation, high torque capacity, and simplified maintenance for continuous-duty environments.

  • Cooling tower fan drive systems
  • Power generation facilities
  • Mining and bulk material handling equipment
  • Cement and aggregate plants
  • Steel and metal processing facilities
  • Petrochemical and refinery operations
  • Water treatment plants
  • Heavy industrial manufacturing systems

Designed for high-power industrial applications requiring reliability, efficiency, and long service life.

  • High-efficiency helical gearing provides smooth and dependable power transmission
  • Available in standard monoblock and heavy-duty split-plane housing configurations
  • Power ratings up to 12 MW support demanding industrial operations
  • Optimized thermal performance improves reliability under continuous load
  • Pre-designed reduction ratios available within 1% of requested requirements
  • Heavy-duty models feature dedicated pressure lubrication for enhanced protection
  • High torque capacity supports severe-duty operating conditions
  • Robust housing construction improves structural rigidity and gear alignment
  • Simplified maintenance design reduces downtime and service requirements
  • Manufactured to AGMA standards for proven performance and durability

Engineered to deliver exceptional torque transmission and operational reliability in large industrial drive systems.

  • Product Series: Hansen P4 Single Stage Gearbox
  • Configuration: Parallel Horizontal Shaft Gearbox
  • Gear Type: Helical Gears
  • Design Standard: AGMA Rated Gearing
  • Reduction Ratios: 1.2:1 to 5.6:1
  • Power Rating: Up to 12 MW
  • Nominal Output Torque: Up to 1.6 million lb-in (185 kNm)
  • Maximum Input Speed: Up to 1800 RPM

Available Series

Standard Single Stage Series

  • Monoblock housing construction
  • Available in 5 sizes
  • Splash lubrication system
  • Power ratings up to 12 MW

Heavy Duty Single Stage Series

  • Horizontal split-plane housing
  • Available in 4 sizes
  • Dedicated pressure lubrication system
  • Designed for severe-duty applications
  • Power ratings up to 12 MW

Lubrication Systems

  • Standard Models: Splash Lubrication
  • Heavy Duty Models: Dedicated Pressure Lubrication System

Sumitomo Hansen Gears Brochure
Sumitomo Hansen Catalog
Hansen P4 Single Stage Technical Data