Why is My Caterpillar Engine Serial Number Important?Īs 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.
If you want to know more about one of CAT's most popular engines, check out our Caterpillar 3406E Engine Spotlight! 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. A 6NZ is a common prefix for a single-turbo C15. You may have heard someone say, Oh, yeah, my 6NZ runs like a champ. For the more popular prefixes, people will sometimes refer to their engine by the prefix rather than the broader model. The prefixes will correspond to a particular model, and usually to a certain subsets of the model. They all begin with a three number/letter prefix, which is then followed by 7 digits. 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.Īll Caterpillar ESNs have a similar format, which makes them pretty easy to identify. Its a little hard to find something when you dont know what youre looking for. What's the Format of a Caterpillar Engine Serial Number? If you're looking for more information on ESNs in general, we have a blog about other diesel engine serial numbers! Want all the info on your Caterpillar ESN? Download this free quick guide! However, Caterpillar is pretty regular with their location. The dataplates for a certain type of engine can be found in various places depending on the model. Not all engines are consistent in where they put these information plates. Most engine serial numbers can be found on the dataplate, which is typically on the driver side of the valve cover. Need parts for your CAT diesel engine? Let our ASE Certified Technicians help you get the right parts the first time! Give Us A Call! Where Do I Find My Caterpillar ESN? 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. To help us get you exactly what you need, you need to have your engine serial number handy. 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.
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