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

Cummins Engine Serial Number (ESN) is located on the dataplate. Dataplates on. Cummins ESN's are eight digits long with no accompanying letters. Aug 30, 2011  With your engine serial number,this can be obtained from the Chassis Manufacture along with any other part numbers serial numbers you may want to keep on file. With that piece of information you can create an account and view information directly related to you engine.

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

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

When using an online manual, follow these steps:

1. Click on 'Engine Family Search' link in the left column ofQuickServe Online.

2. Select your engine family from the drop down menu.

o Note: If you are not sure which engine family to select, call1-800-DIESELS, and they can help you determine the correct enginefamily for your engine.

3. Click 'Search'. It is not required that you select a FuelSystem, Application or Build Year.

4. Click on the 'Service' tab located across the top of thepage.

5. Click on 'Owners Manual' or 'Operation and MaintenanceManual.'

6. Select the appropriate manual.

7. Open the section titled 'Engine Identification'. This willshow you where to find your engine serial number.

If you do not have access to a manual the following instructionstell you where to physically find the ESN on the engine. This willvary based on the engine model. Please note that if your enginedataplate is missing or is not readable, the ESN is identified onthe engine block.

ISM:

The dataplate is located on the fuel pump side of the engine, onthe rocker housing. The following information is shown on thedataplate:

• 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 aboutthe 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 engineserial number and CPL provide data for ordering parts andservice.

NOTE: ISB engines are produced worldwide. The data plates usedon engines may differ in appearance and location ofinformation.

NOTE: If the engine dataplate is not readable, the engine serialnumber can be identified on the engine block on top of thelubricating oil cooler housing. Additional engine information isavailable by reading the ECM dataplate.

ISC and ISL:

The dataplate is located on the top side of the gear housing. Itincludes 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 onthe 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 therear of the engine block opposite the starter. It includes thefollowing data:

• Engine Serial Number (ESN)
• Critical Parts List (CPL)
• Horsepower
• RPM

For cheap Cummins (N-14, ISX, ISM, L10, M11, NTC, etc.) enginerebuild kits and parts go to:

http://www.detroitdieselmiami.com/cummins-diesel-engine-rebuild-kits.html

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There are three major manufacturers of truck engines in the United States--Detroit Diesel, Caterpillar and Cummins. In addition to the major three, Navistar also produces proprietary engines built specifically for its vehicles. All truck engines consist of a model and serial number to help repair shops and truck-parts personnel decide how to best service the truck owner.

Detroit Diesel

The Detroit Diesel on-highway engines consist of the Series 60, the DD13 and the DD15. To [identify a Detroit Diesel](https://itstillruns.com/identify-detroit-diesel-7840995.html) engine, locate the metallic plate on the driver's side of the valve cover. An engine serial number will be present, in addition to a model number. Detroit Diesel Series 60 engines are painted light blue from the factory, and the DD13 and the DD15 engines are painted black. Series 60 serial numbers will begin 06R followed by seven digits. The DD13 and the DD15 consist of 10 numeric digits.

Caterpillar

Caterpillar on-highway engines consist of the 3208, the 3406 and the C series engines. All Caterpillar engines are painted yellow from the factory. Serial numbers consist of a string of alphanumeric code. The serial and model number is located on a metallic plate on the passenger side of the valve cover. If the metallic plate is missing, the engine serial number is stamped on the passenger side of the cylinder block, just behind the exhaust manifold.

Cummins

Cummins on-highway engines consist of the N14 and M11, and the ISX, ISL and the ISM. Cummins engines are painted red from the factory. The engine and model numbers are engraved on a metallic plate located on the driver's side front cover. All Cummins serial numbers are eight numeric digits. If the identification plate is missing, the engine serial number is stamped on the passenger side of the cylinder block, near the rear of the engine.

Navistar

Navistar on-highway engines consist of the DT series. The DT series are painted black from the factory. The engine serial number is located on a metallic plate on the driver's side of the cylinder block at the center of the engine and just below the cylinder head. The serial number will consist of 13 numeric digits. If the plate is missing, the owner will need to find the fuel pump and turbo part numbers located on each part and call their local Navistar dealer to determine the engine type.

Proprietary Engines

Many truck manufacturers used the same model engines in their on-highway vehicles. During the 1980s and 1990s, Detroit Diesel, Caterpillar and Cummins built engines for most of the truck manufacturers in the United States. A Freightliner, Peterbilt or a Navistar may have been built with a Detroit Diesel, Caterpillar or Cummins engine up until the late 1990s. Beginning in the early 2000s, however, engine companies began to produce engines for specific truck manufacturers. Detroit Diesel engines are now used exclusively in Freightliner trucks. Caterpillar and Cummins engines are used by Peterbilt, Kenworth and Freightliner. Navistar engines are still proprietary to International Harvester Trucks.

Good Practice

Throughout an engine's life, there is a chance that the engine was repaired or overhauled at some point. As most engine serial numbers used to identify the engine are located on metallic plates; these plates to wear and in some cases become illegible. In other cases, parts such as the valve cover are changed without the repair shop removing the old identification plate and installing it on the new one. It is good practice to locate the serial number that is stamped on the cylinder block to prevent misidentification of the engine.

Cummins Engine Serial Number Lookup

• blue truck image by Edyta Anna Grabowska from Fotolia.com

Cummins Engine Serial Number Meanings

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