// Q&A · Maintenance & Troubleshooting
Engine oil for excavators: which grade should I use?
Expert Answer
For an excavator, the correct engine oil depends on the engine model, ambient temperature, and the service specification in the operator’s manual. In many diesel-powered excavators, common grades include 10W-30 or 15W-40, but you should always match the viscosity and performance rating the OEM recommends. If you are also asking about the travel motor/final drive, that uses gear oil or hydraulic oil specified for that component, not engine oil. VANROCK Drives supplies brand-new OEM-specification final drive and travel motors online at vanrockdrives.com, shipped fully assembled, filled with oil, with duties and shipping included, fast and free delivery, and a Limited Lifetime Warranty. We are an independent supplier and not affiliated with any OEM brand.
Answered by VANROCK specialists · Published 9/5/2026
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