LIEBHERR SLEWING GEAR OIL EQUALIZING RESERVOIR

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This oil equalizing reservoir is a critical component of the Liebherr slewing gear system, designed to compensate for the thermal expansion of gearbox oil during operation. It functions as a breather tank and level check point, absorbing volume changes to prevent internal pressure buildup that could damage seals. Regular inspection and replacement of this unit are essential to avoid costly gearbox failures and oil contamination.

Compatible machines:

• A902 ZW223-223
• A902 ZW227-227
• A902-141
• A902-142
• A902-255
• A902-256
• A902-275
• A902-276
• A912-144
• A912-145
• A912-244
• A912-245
• A922-149
• A922-150
• A922-249
• A922-250
• A922-261
• A922-290
• R902-143
• R902-257
• R902-277
• R912 HD-148
• R912 HD-193
• R912 HD-248
• R912 LC-146
• R912 LC-147
• R912 LC-186
• R912 LC-247
• R912 LCW-331
• R912 ST-185
• R912 ST-246
• R912 ST.-146
• R912-246
• R922 HDS-282
• R922 LC-152
• R922 LC-197
• R922 LC-252
• R922 ST.-151
• R922-251
• R932 EW-318
• R932 EW-334
• R932 HD-153
• R932 HD-199
• R932 HD-259
• R932 HD-SL-334
• R932 HDSL-192
• R932 HDSL-260
• R932 HDSL-318
• R932 SPUR-334

Component used in slewing reducers (upper structure rotation gearboxes) of excavators, cranes, material handlers and mining machines. Industry synonyms: swing gearbox, slewing reducer, swing reducer, swing drive, slewing drive, swing reduction gear, slew drive.