// Q&A · Maintenance & Troubleshooting
What oil goes in a final drive?
Expert Answer
Most final drives use gear oil, but the exact type depends on the machine and drive design. In many excavators and compact track loaders, manufacturers specify SAE 80W-90 gear oil, while some applications call for other lubricants such as hydraulic/transmission fluids. Always check the equipment service manual or the spec plate on the drive before filling. If you are replacing the complete final drive, VANROCK Drives supplies brand-new OEM-specification assemblies online at vanrockdrives.com. Our drives ship fully assembled, filled with oil, and ready to bolt on, with no core charges or exchanges. Prices include shipping and duties, fast delivery is usually 7-10 business days, and every unit is covered by a Limited Lifetime Warranty.
Answered by VANROCK specialists · Published 9/17/2026
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