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 critiqued.Ĭummins engine will have the engine serial number on the dataplate however, the dataplate will be in different locations based on the model of the engine. 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. For the more popular prefixes, people will refer to their engine by the prefix rather than the model. For example, prefixes of 1LW, 2WS, 5DS, 5EK, and 6TS indicate that the engine is a 3406E. The prefixes will correspond to a particular model. They all begin with a three number/letter prefix, followed by 7 digits. However, Caterpillar is pretty consistent, and the dataplate on a Caterpillar engine can be found on the driver's side of the valve cover.Ĭaterpillar Engine Serial Number IdentificationĪll Caterpillar ESNs have a similar format. As you'll see later in this article, the dataplates for a certain type of engine can be found in various places depending on the model.
Cat engine serial number lookup serial numbers#
Most engine serial numbers can be found on the dataplate. Have questions about finding your ESN? Call our ASE Certified Staff! Give Us A Call!Ĭaterpillar Engine Serial Number Location Below we've collected the general formats your ESNs will have and where you can find them on your engine. How to Find Your Diesel Engine Serial Number Need an easy reference for locating engine serial numbers? Then download this free quick guide! This post will take you through some of the most popular diesel engine brands and where their engine serial numbers are located. If you know your engine serial number, you can find out the exact parts your engine was built with when it was first made. No engine that exists has the same serial number as another engine. Have you ever thought much about your ESN or why you might need to know it? Diesel engine serial numbers are vital to ensuring you're getting the right fit for your engine.Įngine serial numbers are specific numbers assigned to every individual engine.