Offered for sale is a complete OEM FALK shaft pinion assembly, part number 5743011, intended for use in a FALK gearbox model 4.4001 525A1. This component was staged as a replacement as part of a planned gearbox removal and internal repair during an outage in 2025, but ultimately remained unused and was not installed.

The shaft pinion includes:

• Integrated helical gear set
• Precision‑machined shaft journals
• Factory gear geometry consistent with heavy‑duty industrial reduction gear service

Assemblies of this type are manufactured to tight tolerances and are typically long‑lead, high‑value items supplied directly by FALK/Rexnord.

Typical Applications

• Heavy‑duty FALK reduction gearboxes
• Mining and minerals processing equipment
• Conveyors, mills, crushers, and rotating process machinery
• Critical gear‑drive applications requiring OEM internals