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#4496411 - 08/23/17 07:50 PM MI-T-M pressure washer
mobilaltima Offline

Registered: 02/03/11
Posts: 1148
Loc: Golden Meadow, LA
We bought a new pressure washer at work a month ago, 3000 psi. Works great and the lil Honda knock off engine runs fine. It calls for straight 30 or 10W30. I ran the factory fill for 5 hrs or so, drained it and filled it up with Havoline straight 30 and ran that for another 10 hrs and drained it and it now has Rotella 15W40 which I'll use from here on out at 25 hr intervals. It gets a good bit of use. I called MI-T-M and they said I need to use Straight 30 non detergent pump oil in the pump. I couldnt find any locally so I used some Napa straight 30 non detergent ISO 100 oil. I havent ran it yet it with the Napa oil as I just changed it today. Should it work fine with the Rotella and the Napa 30, or should I switch to a 30 weight for the engine and different oil for the pump?
2006 2500 Dodge 5.9 Cummins Mobil Delvac 15W40, Fleetguard Stratapore 90k miles
Early '99 F250 ECLB 7.3 Stroker, 223k miles

#4496592 - 08/24/17 01:40 AM Re: MI-T-M pressure washer [Re: mobilaltima]
Colt45ws Offline

Registered: 08/15/06
Posts: 9637
Loc: Central Washington
Both of those will be fine.
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2

#4497254 - 08/24/17 07:27 PM Re: MI-T-M pressure washer [Re: mobilaltima]
Donald Offline

Registered: 03/21/04
Posts: 20450
Loc: Upstate NY
I would not change the pump oil so soon. Once every few years would be fine.
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)