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Old 04-27-2013, 10:56 PM   #1
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Location: TX
Posts: 722
Used Oil Analysis-02 Cummins ISM 500hp

Motorhome: 2002 Monaco 45' Signature
Lab: Oil Analyzers Inc(Polaris Labs)
Engine: 2002 Cummins ISM w/81,000 miles since new
Oil: Amsoil AMO 10-40w. 4500 miles and 24 mths since last changed. No make-up oil.
Oil Filters: Full Flow position - Fleetguard# LF9080; Bypass - Fleetguard# LF3542. Like the oil, both filters have been in place for 4500 miles and 24 mths.
Air Filter: Ecolite# 546893, in place for 3+ yrs.

Lab Comments: Data indicates no abnormal findings. Resample at normal interval. Oil is suitable for continued use.

WEAR METALS(ppm)
Iron 6
Chromium 1
Copper 1
Tin 0
Lead 0
Nickel 0
Alum 1
Tin 0
Silver 0
Cadmium 0
Vanadium 0

CONTAMINANT METALS(ppm)
Silicon 3
Sodium 2
Potassium 2

MULTI SOURCE METALS(ppm)
Magne 0
Titan 0
Molybdenum 0
Antim 0
Mang 0
Lith 0
Boron 2

ADDITIVE METALS(ppm)
Magnes 9
Calcium 3785
Barium 0
Phosph 1168
Zinc 1309

CONTAMINANTS
Fuel Dilution < 1%
Soot Vol < .5%
Water < .1%

FLUID PROPERTIES
V100C(cSt) - 13.6
Oxidation(abs/cm) - 49
Nitration(abs/0.1 mm) - 7
TBN(mg KOH/g) - 10.40

We'll leave the oil in place and do another UOA in a couple of yrs. We'll change the oil filters now.
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Old 04-27-2013, 11:25 PM   #2
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I have not change my Amsoil in over 80,000 miles.
Engine filter changed annually. By pass Filters every 80,000.
Test annually.
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Old 04-28-2013, 03:01 AM   #3
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Heck, with a report like that, I wouldn't even change the filters yet. Wait until fall.
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Old 04-30-2013, 08:22 AM   #4
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Since this thread isn't getting many views here, I'm reposting my original post over at the CUMMINS area.
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