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Correct type of hydraulic fluid

I have a New Holland 640 hay roller. I had to repack the bale density cylinder. Does anyone know what kind of oil I need to use to refill it. It is a closed system with no reservoir.
- Don Barnes
- Thread
- Views: 321
- Jun 2, 2025
- fluid hydraulic
- Replies: 0
- Forum: Parts/Repairs

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