1. Serial Number
2. Caterpillar 3406b Serial Number Location 302
3. Caterpillar 3406b Serial Number Location On Dji Mavic Air 2
4. Caterpillar 3406b Serial Number Location 1
5. Caterpillar 3406b Serial Number Location Number

If you're shopping for parts for your Caterpillar diesel engine, then you're going to want to make sure that you're getting the right ones the first time. To help us get you exactly what you need, you need to have your engine serial number handy.

Where is that, you ask? Well, we're going to take you through where you should be looking to find this information on your CAT engine. Read on to find out more!

Need parts for your CAT diesel engine? Let our ASE Certified Technicians help you get the right parts the first time!

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Where Do I Find My Caterpillar ESN?

• I have a CAT 3406B. Engine serial is 3ZJ04984. When the Engine is cold it puts out an enormous amount of white smoke, and misses quite a bit. Once it warms up the smoke goes away but the engine seems read more.
• Caterpillar Diesel Engine Serial Numbers. If you're shopping for parts for your Caterpillar diesel engine, then you're going to want to make sure that you're getting the right ones the first time. To help us get you exactly what you need, you need to have your.
• Cat Truck Engine Serial Number Prefix ID Chart. Below is a table below to identify a Cat truck engine based on the 3 character serial number prefix (ex. An example ID plate is also shown. We sell downloadable service manuals for all Cat engines. Please contact us with any requests.

Most engine serial numbers can be found on the dataplate, which is typically on the driver side of the valve cover. Not all engines are consistent in where they put these information plates. The dataplates for a certain type of engine can be found in various places depending on the model. However, Caterpillar is pretty regular with their location.

If you're looking for more information on ESNs in general, we have a blog about other diesel engine serial numbers!

What's the Format of a Caterpillar Engine Serial Number?

Its a little hard to find something when you dont know what youre looking for. We get people that try to give us part numbers, casting numbers, or even VINs instead of ESNs, simply because they dont know what an engine serial number should look like.

Oct 20, 2010 Joined Apr 7, 2009. Discussion Starter #1 Oct 20, 2010. Cant seem to find the serial number on a certain 3406E model. The tag on the top is pretty much gone. Are they stamped on the block like a b or c model.? This engine did not come out factory in the truck that its in so we cant figure out exactly what internals we got. The Caterpillar 3406 engine was a popular choice for truck use before the development of the C series engines. The 3406 was available as a mechanical or electronic engine. The ending designator after the model 3406 (E for electronic or B for mechanical) indicates to the owner what type of Caterpillar engine they have.

All Caterpillar ESNs have a similar format, which makes them pretty easy to identify. They all begin with a three number/letter prefix, which is then followed by 7 digits.

The prefixes will correspond to a particular model, and usually to a certain subsets of the model. For the more popular prefixes, people will sometimes refer to their engine by the prefix rather than the broader model. You may have heard someone say, Oh, yeah, my 6NZ runs like a champ. A 6NZ is a common prefix for a single-turbo C15. Some prefixes even have reputations. For example, a C15 with a prefix of MBN is known as a Bridge motor (because it was the bridge engine from the mechanical C15 to the electronic C15 ACERT), and is often heavily criticized.

If you want to know more about one of CAT's most popular engines, check out our Caterpillar 3406E Engine Spotlight!

Caterpillar ESN Prefixes by Model

3406:

• 92U

3406B:

• 2EK
• 3ZJ
• 4CK
• 4MG
• 5KJ
• 7FB
• 8TC

3406C:

• 3ZJ
• 4CK
• 5KJ
• 8PN

3406E:

• 1LW
• 2WS
• 5DS
• 5EK
• 6TS

C7:

• KAL
• C7S

C12:

• 1YN
• 2KS
• 8YF
• 9NS
• 9SM
• CPD
• GEP
• MBL
• TME

C15 and C15 ACERT:

• 6NZ
• 9NZ
• B5R
• BXS
• EGH
• JEP
• KRA
• MBN
• MXS
• NXS
• RKS
• SDP
• TRB

C16:

• 7CZ

Why is My Caterpillar Engine Serial Number Important?

As much of a pain as it can be to find and identify your ESN, its incredibly important that you do it when you go to order parts. Giving us your engine serial number will guarantee you get the right parts for your engine, because we can look it up to figure out what your engine was originally built with.

You will see that when you entersome of our product pages, there is a box under our price with the available options. One option field that appears is for your Engine Serial Number. While youll be able to place an order without inputting your ESN, you will get a call from us asking for it before we will actually be able to get your order processed. And that just slows everything down.

Got questions? We've got answers! Our ASE Certified Technicians can help you with your diesel engine part needs. Give us a call at 844-304-7688 if you have any questions! Or, you canrequest a quote online.

Serial Number

Originally Posted October 4, 2017; Edited December 3, 2019

LOCATE YOUR CATERPILLAR ENGINE SERIAL NUMBER

When looking to buy a replacement engine for your piece of equipment, it is important to know the serial number of your current engine. This information can be found on the engine data plate, located on the left side by the injection pump. Engine serial numbers are also stamped on the engine block.

The serial number is usually 8 digits long. Pictured: engine data plate with a serial number of MSX81323.

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Caterpillar 3406b Serial Number Location 302

Write down the numbers or take a picture of the data plate and give us a call. A Diesel Engine Specialist will be able to verify whether we can supply a new engine, re-manufactured or both.

This is not your engine serial number!

We need your engine number and this tag does not give us enough information to find your replacement engine. This is the EPA tag.

Caterpillar 3406b Serial Number Location On Dji Mavic Air 2

Can’t find the tag on the valve cover?

Every engine has a number stamped on the block. This video show you what to look for on your engine block.

Caterpillar 3406b Serial Number Location 1

CAT DIESEL ENGINE RESELLER

Caterpillar 3406b Serial Number Location Number

We supply new surplus, remanufactured and good used engines for heavy duty pieces of equipment, industrial applications, off-highway and on-highway trucks. We supply CAT engines for excavators, dozers, loaders, and many other applications. View our CAT engine inventory.