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Old 11-26-2013, 10:16 PM   #1
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Engine ID info

Looking for basic info on my 2006 Monaco Diplomat engine.

It is a ISL 400 in a Roadmaster RR8R chassis.



Is this a 6.7 liter motor? Where might I find the serial number
on it?


I came across this Cummins related site...

http://www.turbodieselregister.com/t...s/TSB-2012.pdf

Looks like it is mostly for pick-ups. Are these the same engines
in our motorhomes?

Thx!
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Old 11-27-2013, 12:19 AM   #2
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The Cummins ISL is an 8.9 liter engine the ISC is an 8.3. The designation for a 6.7 and 5.9 is ISB.

Sorry I do not know where the serial number is located.
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Old 11-27-2013, 12:34 AM   #3
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Don't know about in a MH. In a stationary generator all the engine info is on the belt guard. The tag is always on the left side looking at the flywheel end.

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Old 11-27-2013, 04:23 AM   #4
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It was a pain to get mine and very important when getting parts. I had to remove my engine cover and use a camera. To avoid that hassle call or e-mail Monaco and ask for a Data Sheet using your vin number which is much easier to get. They will send you a list of every serial number on your unit. Real handy thing to have.

The actual location on my engine (400 ISL) while facing the rear of the coach and lying over the engine opening the serial number is on a 1.5 inch wide label wrapping over the rounded edge of a front cover. If you take your left hand and kind of put it over the left front of the engine your hand will fall onto the area.
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Old 11-27-2013, 09:29 AM   #5
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Getting the serial number can be a real PITA, but YC1 has it correct. Or you can just call Monaco. Once you get the serial number go to the Cummins web site and you can get a data sheet for your engine that will give you all of the build data.
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Old 11-27-2013, 03:41 PM   #6
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You should find you serial number and check to see if the numbers fall into the recall for a wrist pin problem on that engine in that year. There is a free of charge change to the check engine warning system to help diagnose this problem. This problem usually shows up before 10,000 miles. For that reason alone find your serial number. ISL 400 is a great engine, lots of power and 7.5 to 8.0 MPG.
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Old 11-27-2013, 03:54 PM   #7
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The serial number on circa 02 Cummins is on a sticker attached to the timing chain cover just ahead of [rearward] of the injection pump. Unfortunately its backwards so an Iphone or digital camera will work fine to capture the number.
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Old 11-27-2013, 05:00 PM   #8
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Quote:
Originally Posted by YC1 View Post
It was a pain to get mine and very important when getting parts. I had to remove my engine cover and use a camera. To avoid that hassle call or e-mail Monaco and ask for a Data Sheet using your vin number which is much easier to get. They will send you a list of every serial number on your unit. Real handy thing to have.

The actual location on my engine (400 ISL) while facing the rear of the coach and lying over the engine opening the serial number is on a 1.5 inch wide label wrapping over the rounded edge of a front cover. If you take your left hand and kind of put it over the left front of the engine your hand will fall onto the area.

Thanks guys!

By the way Monaco tech support is...

mcctech@navistarrv.com

877 466-6226


They no doubt have more contact numbers/emails
but these worked for me today (Nov. 2013)
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Old 11-27-2013, 05:51 PM   #9
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Glad you got the number.

But I would do two things.

1. If you have a Freightliner chassis I would sign up at www.AccessFreightliner.com
Once you get ID you have everything available on that site including engine SN.

2. Get an ID for www.quickserve.cummins.com Enter your SN and you will get all engine part numbers and some manuals.

A must have if you do your own work.
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Old 11-27-2013, 06:22 PM   #10
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I also found a bit more info on Monaco's site.


Monaco Coach - manualaddendums
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Old 11-28-2013, 10:03 AM   #11
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Quote:
Originally Posted by greystroke View Post
Glad you got the number.

But I would do two things.

1. If you have a Freightliner chassis I would sign up at www.AccessFreightliner.com
Once you get ID you have everything available on that site including engine SN.

2. Get an ID for www.quickserve.cummins.com Enter your SN and you will get all engine part numbers and some manuals.

A must have if you do your own work.

OK, signed up for an account (free) with Cummins.

Regarding the serial number this is what I found on their QuickServe site...


++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++


How to Find My Engine Serial Number (ESN)?

In general, Cummins engine serial numbers consist of eight (8) digits, e.g. 79012323.

If you have a hard copy of an Owners Manual or an Operation and Maintenance Manual or if you already have access to the online manuals, there is a procedure that describes how to find the engine serial number on your engine's dataplate. These steps will show you how to find that procedure and locate your engine serial number.

When using a hard copy manual go to the section titled "Engine Identification". This will show you where to find your engine serial number.

When using an online manual, follow these steps:

Click on "Engine Family Search" link in the left column of QuickServe Online.
Select your engine family from the drop down menu.
Note: If you are not sure which engine family to select, call 1-800-DIESELS, and they can help you determine the correct engine family for your engine.
Click "Search". It is not required that you select a Fuel System, Application or Build Year.
Click on the "Service" tab located across the top of the page.
Click on "Owners Manual" or "Operation and Maintenance Manual."
Select the appropriate manual.
Open the section titled "Engine Identification". This will show you where to find your engine serial number.
If you do not have access to a manual the following instructions tell you where to physically find the ESN on the engine. This will vary based on the engine model. Please note that if your engine dataplate is missing or is not readable, the ESN is identified on the engine block.

ISM:
The dataplate is located on the fuel pump side of the engine, on the rocker housing. The following information is shown on the dataplate:
Engine Serial Number (ESN)
Critical Parts List (CPL)
Model
Horsepower and RPM rating
Emission statement (if applicable)
ISX:
The engine dataplate, located on top of the rocker lever cover, provides the model identification and other important data about the engine.
Engine Serial Number (ESN)
Critical Parts List (CPL)
Model
Advertised horsepower and RPM
ISB:
The dataplate is typically located on the engine rocker cover, but may be located on the side of the gear housing. The engine serial number and CPL provide data for ordering parts and service.
NOTE: ISB engines are produced worldwide. The data plates used on engines may differ in appearance and location of information.

NOTE: If the engine dataplate is not readable, the engine serial number can be identified on the engine block on top of the lubricating oil cooler housing. Additional engine information is available by reading the ECM dataplate.

ISC and ISL:
The dataplate is located on the top side of the gear housing. It includes the following engine data:
Engine Serial Number (ESN)
Critical Parts List (CPL)
Model
Horsepower and RPM rating
If the engine dataplate is not readable, the ESN can be found on the engine block on top of the lubricating oil cooler housing. Additional engine information is on the electronic control module (ECM) dataplate.
QSK45 and QSK60:
The dataplate on the QSK45 and QSK60 engines is located at the rear of the engine block opposite the starter. It includes the following data:
Engine Serial Number (ESN)
Critical Parts List (CPL)
Horsepower
RPM
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Old 11-28-2013, 11:07 AM   #12
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bukzin,
Keep your engin serial number and vin where you can find them easialey. You will ned the engin serial number any time you by parts filters or have any conversations with cummins about your engin.
I have a quick referance list where I list all the part numbers for filters belts or any parts I change or come across. Same for the genarater.
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Old 11-28-2013, 11:26 AM   #13
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bukzin,

When you call up parts, it will give you the original pn plus all updates. Sometime they just change pns when changing vendors. Aftermarket stuff usually cross references to the original code. For example it list my lift pump as 4943048 but if you ask for this part from Cummins, they will give you 3942801.


When you call up service, you can look up fault codes. For example, you can convert SPN/FMI codes that you get from your diagnostics and convert them to a Cummins code. Once that is done it provides links for troubleshooting and repair. Also tells you if your SPN/FMI is valid.
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