Hansen P4 Single Stage

Optimal balance between Mechanical, Thermal and Bearing ratings


The Hansen P4 single stage gearbox is available in a parallel horizontal configuration. Technically balanced between optimum thermal and mechanical performance there are mainly 2 series available:

  • The standard single stage series with a monoblock housing are available in 5 sizes with a power rating up to 4MW.
  • The heavy duty single stage series has a housing with horizontal split plane and a dedicated pressure lubrication system with a power rating up to 12MW (available in 4 sizes).

Technical Info

Number of Sizes9
Housing type – standardMonoblock
Housing type – heavy dutySplit plane
GearsHelical gears (designed and rated in accordance with AGMA)
Reduction Ratios1.2:1 to 5.6:1 (pre-designed ratio available within 1% of requested ratio)
Power RatingUp to 12 MW
Nominal output torquefrom 15 to 185 kNm
Input speedup to 1800 rpm
Lubrication – standardSplash Lubrication
Lubrication – heavy dutyDedicated pressure lubrication system