Mack GGB-6466, 751KB3494 Mainshaft Gear

Mack GGB-6466, 751KB3494 Mainshaft Gear, is a gear component identified by the GGB-6466 designation with the alternate code 751KB3494. Also listed under Mack as GGB-6466, 751KB3494 Mainshaft Gear, this part is categorized as a mainshaft gear used within gear trains to transmit torque and manage speed between shafts in a transmission or gearbox assembly. The labeling across brands suggests cross-brand recognition or rebadging for compatibility with either Mack or Mack documentation. As a mainshaft gear, it functions as a primary gear in the drive train, engaging with adjacent gears to establish the overall gear ratio and power flow in the system. Buyers should consult their equipment’s service manual or supplier datasheets to confirm exact fitment, mounting interface, and any brand-specific requirements, ensuring the component matches the intended transmission or gear housing configuration.