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Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs #5258233 11/04/19 10:09 AM
Joined: Dec 2010
Posts: 138
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jetman Offline OP
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Posts: 138
Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs on oil.

This oil is out of a liquid cooled Kubota 4 cyl diesel engine that drives the generator head of our 17.5kw PowerTech generator in our motorhome. They are very common engines used for yrs in tractors, Bobcats, etc. This engines hobbs meter indicated 12868 hrs when this first oil sample was taken.

The first results are from OAI, and the second are from JG Lub Services. I believe both companies use Polaris Laboratories.

These are the only 2 UOA that we've done on this equipment. We have only owned this equipment for the previous 400 hrs. We don't know its mx history before that. Runs great, doesn't consume any oil, nothing coming out the slobber tube, 7 qt sump, and I change the oil & filter every 100 to 125 hrs. I didn't have any real reason to send in an oil sample except for the HIGH # of hrs on the hobbs meter. I'm glad I did. OAI commented that bearing material, copper & lead, were at a SEVERE level. Its normal mx on diesel engines to replacing the rod bearings at half life. So I dropped the pan, changed them, replaced oil and filter with the same, Mobil Delvac 1300 Super 15w40. 1 yr and 100 hrs later we sent in the second sample, this time to JG lubricant services, and all is good to go.

What say you?

Mobil Delvac1300 Super 15w40
Code
LAB         OAI       JG
Date        5-18      6-19    
Lube hrs    107       100     
Total hrs  12.8k     12.9k      

WEAR METALS-PPM
Iron        2.........4
Copper      9.....…...0
Alum        3.........1
Lead       103........1

CONTAMINANT METALS-PPM
Silicon     13........7
Sodium       6......….3
Potassium    2........0

MULTI SOURCE METALS
Molybdenum 33.........39
Boron      51.........62

ADDITIVE METALS-PPM
Magnesium  395.......510
Calcium    1901.....1682
Phosph    1035.......755
Zinc      1152.......795

V100C       14.7.....13.2
IR Oxidation 13.......16
IR Nitra      6........6
TBN        7.98.....8.12


Fulltime DIYer, retired pilot
12 MKX 3.7
07 Yukon 6.2
07 Toyota FJ 4.0
96 Prevost XL40 12.7
51 Chevy 5w PU Resto 5.3
92 TopSportsman Firebird w/604
241" 4link Dragster w/565
83 Glasair! TD
90 Ez-Go 2-cysle GC
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258234 11/04/19 10:13 AM
Joined: Sep 2010
Posts: 10,644
4WD Offline
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Posts: 10,644
TSC had a decent price on the 2-1/2 gallon jug yesterday




1A19E433-80D8-468A-B9B6-B01DA13F40B5.jpeg
Last edited by 4WD; 11/04/19 10:15 AM.
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258275 11/04/19 11:19 AM
Joined: Jun 2013
Posts: 1,991
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mattwithcats Offline
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Nice job on catching those bearings...

Rock Auto has COS7328 Champion oil filters, which are equivalent to HH164-32430...
$1.32, but watch the shipping...
COS7328

They also have COS8a, which are twice the length of the Kubota filter...
COS8a

Last edited by mattwithcats; 11/04/19 11:21 AM.

2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258280 11/04/19 11:27 AM
Joined: Aug 2018
Posts: 598
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wdn Offline
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12,868 hours on the Kubota engine at he halfway mark . If it were a car engine averaging 35 MPH that would be over 450,000 miles on the engine.

Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258281 11/04/19 11:29 AM
Joined: Jun 2013
Posts: 1,991
M
mattwithcats Offline
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Posts: 1,991
Shell has released a full synthetic 15W-40...

You may be able to go 200 hours on an oil change...

Rotella T6 15W-40


2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258286 11/04/19 11:37 AM
Joined: Jun 2013
Posts: 1,991
M
mattwithcats Offline
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Joined: Jun 2013
Posts: 1,991
Rock Auto also has Wix oil analysis kits for $9.49...

Wix 24077


2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: wdn] #5258391 11/04/19 02:11 PM
Joined: Dec 2010
Posts: 138
J
jetman Offline OP
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Joined: Dec 2010
Posts: 138
In the future I'll probably increase the OCI to 250-300 hrs.

The oil filter I've been using is a Fram XG3593A which has 20mm x 1.5mm threads. Base gasket is 2.125" i.d. and 2.422 o.d.. It's only 3.39" tall. Any body know of a x-tall that has these specs?
Originally Posted by 4WD
TSC had a decent price on the 2-1/2 gallon jug yesterday

I got u beat.
I go thru a lot of oil/yr(see my signature?), so in recent yrs I look for deep discounts, not just WalMart size discounts. I purchased the Mobil Delvac 1 ESP 5w40 in 2018 for $10/gal. I also purchase 25 gals of Mobil Delvac 1300 Super 15w40 for $5/gal. I took advantage of a NAPA sale combined with a Mobil mail-in rebate program. Mobil mailed me a check for $242.SWEET!! The Mobil mail-in rebate program for 2019 isn't as generous. But, I have already taken advantage of it and an O'Reillys sale to purchase Mobil Delvac 1 ESP 5w30 for $13/gal. The oil I have on hand now will last me to 2021
[Linked Image]

Originally Posted by wdn
12,868 hours on the Kubota engine at he halfway mark . If it were a car engine averaging 35 MPH that would be over 450,000 miles on the engine.

Most "good" diesels are million mile engines before they need an full overhaul. "Great" ones 1.5 to 2 million.
[Linked Image]
[Linked Image]


Last edited by jetman; 11/04/19 02:13 PM.

Fulltime DIYer, retired pilot
12 MKX 3.7
07 Yukon 6.2
07 Toyota FJ 4.0
96 Prevost XL40 12.7
51 Chevy 5w PU Resto 5.3
92 TopSportsman Firebird w/604
241" 4link Dragster w/565
83 Glasair! TD
90 Ez-Go 2-cysle GC
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: mattwithcats] #5258394 11/04/19 02:14 PM
Joined: Dec 2010
Posts: 138
J
jetman Offline OP
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Joined: Dec 2010
Posts: 138
Originally Posted by mattwithcats
Rock Auto also has Wix oil analysis kits for $9.49...

Wix 24077

That's a deal. I'll give'em a try.


Fulltime DIYer, retired pilot
12 MKX 3.7
07 Yukon 6.2
07 Toyota FJ 4.0
96 Prevost XL40 12.7
51 Chevy 5w PU Resto 5.3
92 TopSportsman Firebird w/604
241" 4link Dragster w/565
83 Glasair! TD
90 Ez-Go 2-cysle GC
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258463 11/04/19 03:27 PM
Joined: Jun 2013
Posts: 1,991
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mattwithcats Offline
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Baldwin B1431 or Luber Finer LF486 is 4 inches long, but they are impossible to find

I use Wix 51356, but Rock Auto has COS3593a filters for $1.33

Watch the shipping costs, and the “Private Label” Wix are different from regular Wix

COS3593a


2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Wix XP 51356 filter, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258535 11/04/19 04:48 PM
Joined: Feb 2009
Posts: 2,147
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krismoriah72 Online Content
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K
Joined: Feb 2009
Posts: 2,147
on 3593 applications i have moved to 7317.

Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5258850 11/05/19 05:19 AM
Joined: May 2007
Posts: 8,207
dnewton3 Offline
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Impressive wear after the rework.

This is a good example of how wear metals can be a signal to those whom really pay attention. There are folks here whom would have us believe that UOAs are not a good tool to discern wear; to that, I say "poppycock". It's nice to see that the rod bearings were the root cause, rather than having to go in deeper for mains, cam bearings, etc.

Generators in this type of use are typically loaded between 25% to 75% in duty cycle; it all depends on how many appliances they are running while in use such as the A/C units, the refrigerator, other 110v items, etc. It's hard at times to gauge hours on a meter to some manner of road driven equivalent. Also, 12.9k hours seems like a lot, but really it's only about 1.5 years of constant running. You state you had around 100 hours of use in a year's time; that's interesting. Is this typical of your use? At your rate of 100 hours per year, it would have taken 129 years to accumulate those hours. Did you put the 400 hours on the unit in roughly 4 years? The previous owner must have done a lot of boondocking.

At the rate you're using it, you'll never have to change those bearings again! It will serve you well for years to come.
Congrats and enjoy the RV life!


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5259321 11/05/19 06:18 PM
Joined: Dec 2010
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jetman Offline OP
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Yes, the original owner must have done a lot of boondocking. I was told he was the owner/operator of a small mobile regionally operated(GA) amusement park. When we purchased the bus less than 6 yrs ago the genny had 12400 hrs and the odometer had 66,500. Not much driving. But it doesn't look lived in either.

I've never seen or heard a MH gen with more than 3000 hrs on it. So when I was trying to decide what price to offer the seller for the bus, I called PowerTech and asked should I be worried and budget for a overhaul. They said these gens are on yachts an go to 25k hrs all the time. Evidently MH owners don't us gens like yacht owners.

We're putting about 200 hrs a yr on it currently. In the past, much less.

I'll try to post soon the 3 UOA that I've done on its 12.7L 470hp 1995 Detroit Diesel 60 series.


Fulltime DIYer, retired pilot
12 MKX 3.7
07 Yukon 6.2
07 Toyota FJ 4.0
96 Prevost XL40 12.7
51 Chevy 5w PU Resto 5.3
92 TopSportsman Firebird w/604
241" 4link Dragster w/565
83 Glasair! TD
90 Ez-Go 2-cysle GC
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5259415 11/05/19 07:35 PM
Joined: Oct 2010
Posts: 1,058
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mattd Online Content
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That engine will last forever. Those pre EGR S60s are probably one of the best engines ever made.


2007 Ford F-350 4x4 6.0 PSD

ASE Master, L1
Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5259474 11/05/19 08:43 PM
Joined: Aug 2019
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tundraotto Online Content
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very impressive all around. Obviously a great engine, great maintenance and performance. Well done. Keep it up.

Re: Mobil Delvac1300 Super 15w40, Kubota V2203, 107 hrs [Re: jetman] #5259675 11/06/19 06:13 AM
Joined: May 2007
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dnewton3 Offline
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Originally Posted by jetman
Yes, the original owner must have done a lot of boondocking. I was told he was the owner/operator of a small mobile regionally operated(GA) amusement park. When we purchased the bus less than 6 yrs ago the genny had 12400 hrs and the odometer had 66,500. Not much driving. But it doesn't look lived in either.

I've never seen or heard a MH gen with more than 3000 hrs on it. So when I was trying to decide what price to offer the seller for the bus, I called PowerTech and asked should I be worried and budget for a overhaul. They said these gens are on yachts an go to 25k hrs all the time. Evidently MH owners don't us gens like yacht owners.

We're putting about 200 hrs a yr on it currently. In the past, much less.

I'll try to post soon the 3 UOA that I've done on its 12.7L 470hp 1995 Detroit Diesel 60 series.

Well most fullt-ime MH owners spend a majority of their time hooked up to shore-power (land power) in a campsite, so the gennys only run during transport sessions from site to site. Whereas a yacht has no such luxury if she's "out to sea" (hence no shore power) so they run a great deal more. Having a boat and not leaving the dock is akin to owning the RV and not leaving your driveway. But when the RV finds a place to stay, it's likely to have shore-power; not so if the craft is afloat in the sea/ocean/lake/river/bay ...

Overall I'd say the little Kubota is doing fine, and given your much lower expected use, it'll outlast your intend use.

As for the DD60; those also are great engines and last a LONG time with just general routine maintenance. One of the true greats in the diesel world.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
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