Pressuer Washer Pump Oil 15w-40

Messages
109
Location
Arizona
Just picked up a used Dewalt DXPW3425 pressure washer on Craigslist.

Gonna change the oil in the Pump and engine.

For the pump, online manual recommends Simpson Oil for the AAA pump (8.7GA12), or 15w-40 if simpson is not available.

Pump plate just states 15w-40.
Will any 15w-40 work? There is a lot of info here about non-detergent oils for pumps.

Thanks,
~C
 

Cmobile

Thread starter
Messages
109
Location
Arizona
The Simpson Oil, $10-$15 per pint. Just says "non-foaming 15w-40"

The placard on the pump merely states change oil every 100 hours with 15w-40. The pump holds 8oz. of oil.

Has a nice 1.5" sight glass For my viewing pleasur. I'll change the oil with T4 15w-40 that I have and see if the oil foams through the sight glass. If so, ill buy the overpriced Simpson Oil.
 

Cmobile

Thread starter
Messages
109
Location
Arizona
Ok. I'll wait on the change and order the Simpson stuff. It's the only 15w-40 non detergent I can find.

I can find SAE30 ND all day, but the 15w-40 seems like a unicorn.

Anybody know of alternatives?
 
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