Hansen P4 Multistage Gear Units

The Hansen P4 gearbox is available in 19 different sizes, ranging from 6kNm to 1100 kNm output torque. It is available with two, three or four-gear stages and reduction ratios between 6.3:1 and 630:1. Housings are avialable with a parallel or right-angle shaft configuration, either with a solid or hollow low speed shaft.

Features of P4 Multistage Units:

• High torque geometry in low speed gear sets
• Low noise geometry in high speed gear sets
• Dedicated housings for horizontal and vertical applications
• Horizontal split housing for easy maintenance
• Standard higher bearing span for vertical applications
• The rounded housing design features a smooth surface to minimize dirt or moisture accumulation
• Multiple housing materials available
• Accessible covers for service on the spot inspection and maintenance
• Optimized bearing selections for longer service life
• High speed shaft seals incorporate Hansen Oil-LockTM System
• Simple, standardized systems for cooling and lubrication
• Centralized oil fitting guarantees initial oil lubrication and circulation through all bearings
Technical Information

Hansen Industrial Transmissions' P4 line of multi-stage gear units and drive packages cover an exceptionally broad range of configurations, ensuring a stock solution for nearly any application. The performance of P4 units is characterized by low noise and weight, extreme environmental tolerance, and exceptional reliability.

 Sizes  19 sizes (A through U)
 Power  Mechanical power up to 10,000 HP (approximately 7,500kW)
 Torque  Torque up to 10,000,000 in-lbs (1,130 kNm)
 Ratios  6.3:1 to 630:1 (Custom ratios to within 1% of requested value)
 Accessory Options  Motor lantern and scoop, motor base, torque arm, backstop, heaters
 Low Speed Shaft  Solid or Hollow (for Hollow: Shrink disc as standard, Keyway connection available upon request)
 Bearings  Tapered, cylindrical or spherical roller types
 Housing  Grey cast iron (standard) or ductile iron (optional) machined on CNC machining centers
Hansen P4 Multistage Catalog
Hansen P4 Multistage Unit