Hansen Uniminer
Hansen Uniminer

Hansen P4 UniMiner

Hansen Industrial Gearboxes - P4 Alignment-Free Drive

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The P4 UniMiner gear units are compact and optimized for mining and other applications involving bulk-material handling.

  • Drop-In replacement for most alignment-free drives
  • Split-housing design
  • Compact to fit tight spaces
  • Variety of accessories to meet your needs

5 Sizes C - G in M series 2 Sizes G - H in Z series

Power Mechanical power up to 1738 kW
Torque Torque up to 100,445 Nm
Ratios Ratios from 8:1 to 71:1
Accessory Options Motor lantern and scoop, motor base, backstop, swing base, flexible or hydro-dynamic couplings, belt-drive arrangements
Low Speed Shaft Solid (standard) Rigid-Rigid, Keyed Hollow, Shrink Disc Hollow
Bearings Tapered, cylindrical or spherical roller types

Grey cast iron (standard) or ductile iron (optional) machined on CNC machining centers

Tilt angles of +/- 3 degrees without forced lubrication

Key Facts

Up to 100,445 Nm and 7.5in. (190mm) Shaft Size
Drop-in for Model R, as well as sizes 405, 425, and 2090.
From 8:1 to 71:1, custom ratios can meet your needs.


Universal, flippable, alignment-free housing design with pilot for lantern housing along with horizontal-split housing for easy maintenance

Easy Maintenance

Accessible covers for service on-the-spot inspection and maintenance, as well as optimized-bearing selections for longer service life


Precision carburized and ground gearing delivers maximum capacity, minimal loss and quiet operation. Low-noise geometry in high-speed gear sets

Oil Guard™

Dynamic drain-back, maintains positive lubrication of high-speed shaft


Standard epoxy paint withstands harsh mining environments. Rugged steel-cased, filtered breathers are suitable for dusty environments


Wide variety of motor-installation accessories include: lantern housings, scoop brackets, common bases, and belt-drive arrangements


Shaft sealing incorporates dual grease-purgeable seals (Split-seal retainers available as an option)


Standard UniMiner built for 3 degrees of tilt in all directions


Choose from a variety of mounting options to meet your needs. Solid Shaft, Keyed-Hollow Bore, or Shrink Disc options are available.

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