What oil does the 8251 load use?


The 8251 uses 1.1 gal. (4.1 liters) Silicone Oil. The Bird part number is 5-1070-2.

For convenience, Bird offers various maintenance kits for the 8251 load that includes the silicone oil here: 8251 Repair & Maintenance Kits

Depending on availability, you can order the oil coolant in a variety of sizes:

Part Number of Silicone Oil Container Size
5-1070-1 1 Pint
5-1070-2 1 Gallon
5-1070-3 5 Gallons


Please see the Material Safety Data Sheet (SDS) for further information: Silicone Oil SDS


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