# How Do You Get In There? Repairing the Drum Drive Gearbox of a CIFA Truck Mixer Pump

> Video: Oil leak from the drum drive gearbox of a CIFA truck mixer pump: securing and suspending the drum, removing the gearbox, replacing the main seal, assembling the planetary gearbox and filling gear oil.

[▶ How Do You Get In There? Repairing the Drum Drive Gearbox of a CIFA Truck Mixer Pump](https://www.youtube.com/watch?v=jsr9GXcKWyE)

Oil leak from the drum drive gearbox of a CIFA truck mixer pump: securing and suspending the drum, removing the gearbox, replacing the main seal, assembling the planetary gearbox and filling gear oil.

[**Read the full repair report →**](https://wibako.com/about-us/news/823-how-do-you-get-in-there-repairing-the-drum-drive-gearbox-of-a-cifa-truck-mixer-pump)

Published: 2026-04-10

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Source: https://wibako.com/about-us/video/822-how-do-you-get-in-there-repairing-the-drum-drive-gearbox-of-a-cifa-truck-mixer-pump
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