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#3305035 - 03/07/14 11:39 PM Cat 938H loader, 6.6L engine
sdan27 Offline


Registered: 06/07/09
Posts: 477
Loc: Michigan
This is a couple UOAs from a Caterpillar 938H loader we bought for our farm about a year ago. We use this loader almost exclusively to load the feed wagon for cattle. Especially this time of year, it is left to idle a lot between loads on the wagon. Using a Caterpillar 269-8325 oil filter and an LF777 bypass filter that I installed. Using Service Pro 15w-40 oil.

Unit hours 4046, 3484, 3018
Oil hours 1539, 977, 511

Fe 56, 39, 18
Cr 2, 1.7, .8
Mn .8, .4, .7
Ni .3, 0, .2
Al 3.9, 3.2, 1.4
Pb 1.3, .5, .1
Cu 6.3, 6.9, 5.6
Si 5.3, 4.6, 4.3
Na 9.7, 10, 5.2
K 0, 0, 1.1
B 2.7, 2.5, 4.6
Mo 38, 43, 38
Mg 649, 783, 712
Ca 1392, 1225, 1123
P 952, 940, 911
Zn 1238, 1244, 1037
S 1198, 2669, 3344

Soot% 1.5, 1.6, .7
Oxid 56, 56, 40
Nitr 75, 75, 50
Sulf 69, 66, 50
Visc 14.72, 14.31, 14.48
TBN 6.72, 6.49, 6.95
_________________________
'94 F250 Powerstroke. LF9691 primary oil. AH1141 air filter. FS1282, FF5320 fuel filter. WF2071 coolant filter.

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#3305148 - 03/08/14 05:52 AM Re: Cat 938H loader, 6.6L engine [Re: sdan27]
dnewton3 Offline



Registered: 05/14/07
Posts: 6000
Loc: Indianapolis, IN
Typical of your UOAs with Service Pro, this looks to be excellent performance.

The Fe is clearly tracking with use, and is not close to condemnation yet. All other metals are extremely low. Contamination and such all very low. TBN strong enough to not question TAN. Vis very steady with no excessive ox or nitration.

Continue use for sure.
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

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#3309774 - 03/12/14 07:05 PM Re: Cat 938H loader, 6.6L engine [Re: sdan27]
dustyroads Offline


Registered: 05/13/13
Posts: 409
Loc: upstate NY
I'm always amazed how well the oil in your machinery holds up. It maintains good tbn and viscosity for long hours. I need to speak with my dairy farmer friends and neighbors about sampling and possibly extending oci's.

Thanks for posting!
_________________________
2011 Taurus sel

2013 Volvo truck with D13

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