Flipper Arm Flat Shaft

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The Bromma Flipper Arm Flat Shaft Collar upgrade may be applied to all ship-to-shore spreaders for increased flipper strength and durability. The enhanced design is based on two flat surfaces on the outgoing gearbox axis, which connect with a corresponding collar design on the flipper arms for efficient and safe torque transmission.

Benefits of the upgrade

  • Reduces downtime and increases productivity.
  • Increases dependability.


Scope of work

The scope of work for the supply and installation of the Flipper Arm Flat Shaft design upgrade includes:

  • Dismantle the Flipper Arm
  • Dismantle the Gearbox
  • Install a new Flipper Arm
  • Install a new internal Gearbox part
  • Test all functions
  • Revise drawings
  • Revise spreader manuals

Parts included

The following parts are included in the Flipper Arm Flat Shaft upgrade offer:
  • Flipper Arm
  • Shaft
  • Bearing Assembly
  • Bearing GE70ES 2RS
  • Key 20 x 12 x 45
  • Screw MLC6S 8 x 16
  • Washer Nord-Lock M8

Additional items included in work scope

The following additional items are included in the Flipper Arm Flat Shaft upgrade:

  • Flipper Arm Flat Shaft upgrade installation training

Material & installation leadtime

  • Material leadtime: 5 weeks (Exw Bromma Malaysia)
  • Installation leadtime: 3 days (per spreader, inclusive of testing)

Price & delivery

  • Please connect with your local Bromma representative for price and delivery leadtime.