High-Pressure Washers & Surface Cleaners

What type of lubricant oil is required inside the crankcase of a high-pressure triplex plunger pump?

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 Correct IncorrectNon-detergent SAE 30 or specialized pump oil, per the pump manufacturer. Automotive motor oils have detergents that can foam under splash lubrication, which can lead to bearing failure.

What type of lubricant oil is required inside the crankcase of a high-pressure triplex plunger pump?

• Non-detergent industrial pump oil (prevents air foaming and protects bronze bearings)
• Standard automatic transmission fluid
• 10W-30 automotive detergent motor oil
• Canola cooking oil