Bonfig Gearbox Seal Ring

Bonfig Gearbox Seal Ring

This is a main gearbox seal ring, Bonfiglioli part number 710301185, designed specifically for the Bonfiglioli 580L series transit mixer gearbox. This seal is critical for preventing oil leakage and protecting internal gearbox components from contamination by dust, water, and debris. Replacing a worn or damaged seal ring is essential during gearbox maintenance or rebuilds to ensure the longevity and efficient operation of the concrete mixer's drum drive.

Key Features

• Direct replacement for OEM part number 710301185
• Prevents lubricant loss and contamination
• Designed for high-torque, heavy-duty concrete mixer applications
• Dimensions: 235mm x 265mm x 15mm

Fits These Mixers

ZF, Rex, PMP, Challenge, Bonfiglioli. Specifically fits the Bonfiglioli 580L series planetary gearbox commonly used in concrete transit mixer trucks.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.