Engine Identification

Engine Tags

Here Are a few examples of the Identification tags you will find on your engine or generator. The underlined portions are the important numbers essential for proper parts lookup. Red is the Model number, Green is the Spec or Specification number, and the Blue is the Serial number. The serial number is seldomly needed for engine and parts identification.

May 22, 2010  The first three digits of the engine serial number of an Onan usually indicate the year and the month of manufacturer (the month is the letter with A=Jan, B=Feb, etc.) An '84 model 318 would have originally had the Onan B43 engine -- and the years after 1986 had the P218 Onan engines. Post your numbers if you wish us to confirm your findings. Feb 15, 2019 - John Deere 318 Engines: 18HP Onan 709cc 2-cyl gasoline. 18HP Onan 781cc 2-cyl gasoline. Photo of 318 serial number.

Toshiba serial number not valid. This is a Model B48M GA018 With a Spec of 3423A. All of this information is helpful.
This is a CCKA With a Spec of 3718J

This is a newer 7000 watt Model HGJAD with a spec of C.

This is an older 12000 watt JC generator. Notice the spec number of 17687AB. This is important because it is one of the few that have two letters in the Spec number. The 'AB' is important, Thats why you need to read the tag carefully and provide us with everything you see or might think you see.

B Series Engines- All of the B series engines originally came with either breaker point ignition or the less common magneto coil ignition, and electronic or 'breakerless' ignition was available as an add-on or option. To the untrained eye many people would insist that all of the engines that fall into this catagory are the same engine. They look similar and they do share many components from model to model. These engines have an aluminum block, and will have nine or 10 head bolts.

Mobilego for android free. download full version windows 10. Performer Engines- Performer engines are the new version of the B engines. They all will have electronic ignition.

Linamar Onan Engines- Onan had the company Linamar manufacture their Performer engines for them towards the end of production. They are the same as the Performer and have coresponding model numbers for parts lookup.

Cast Iron Block Engines- These engines are some of the original Onans. They all origianlly had breaker points or the magneto coil for ignition. Very few had oil filters as it was just an option at this time.

Single Cylinder Engines- These were used on A small amount of mowers, generators, and floor buffers.

Old Generators- What you think is old and what we think is old may be different. We consider the generator to be an 'older' model if it has the cast iron engine with a 'square' or green painted perfect cylinder shaped generator back end. Generator components are getting scarce but not impossible to locate. These generators also often do not use a simple engine starter but start with DC voltage applied to the generator. (Easily identified by the quiet start up)

Emerald Generators- Probably the most common RV and commercial generator for a long time. It uses an aluminum B series engine or Performer engine. Depending on how old it is it may contain a heafty amount of electronics.

Newer Generators- Onan is still building generators but has decided to modify Robin Subaru engines for generator use. All parts and service must go through Onan as the engines are heavily modified. These units are highly advanced and have such features as Electronic fuel injection, Auto startup, Fully electronic governor controls, and onboard self diagnostics.

Onan Generator Serial Number Identification

Diesel Generators- Onan has over the years used several common diesel engines with their generators such as Kubota, Isuzu, and Cummins. Parts are usually required to be ordered through an Onan dealer as Onan does modify and have special specifications for many parts on the engines.

You can snap a few pictures and e-mail it to Parts@enginemastersinc.com if you need parts.

How to Find a Cummins Engine Serial Number

Onan Model Identification

Cummins engines will have the engine serial number on the dataplate. The dataplate on an engine can be a great reference because it will often also include additional information, such as CPL, horsepower, and RPM rating. However, the dataplate can be hard to find, as it will be in different locations based on the model of the engine. The location of the dataplate for your engine will be in your owner’s manual. If you’ve long since lost the physical owner’s manual, but can access Cummins Quickserve, you can see a digital copy of the owner’s manual there.

If you don’t have your owner’s manual and don’t have access to Quickserve, we have the locations for the dataplate on some of the more popular engine models.

Onan Serial Number Decoder

Onan Motor Serial Numbers

Unable to find the dataplate or don’t see your engine model listed above? It’s okay. Cummins also stamps the engine serial number into the passenger side of the engine block for all models.

Cummins Engine Serial Number Format

Onan Generator Serial Number Decoder

Cummins engine serial numbers look more like a classic serial number than Caterpillar ESN’s do. Cummins ESN’s are eight digits long and are composed only of numbers. They go in a numerical sequence, based on which engine came first off the assembly line. There is no special designation for particular models.

Cummins engines do have something a little unique, called a CPL. “CPL” stands for “Critical Parts List” and is a list of the critical parts of the engine. There are fewer CPL’s than ESN’s because multiple engines can have the same CPL’s. When ordering most major parts of an engine, providing a CPL will work just as well as supplying an ESN.

The Importance of Your Cummins Engine Serial Number

We know that finding and identifying your ESN can be a hassle, but knowing your ESN can be crucial when ordering parts for your diesel engine. Giving us part numbers will usually work if you are looking for a single part or two, but we absolutely need an ESN if you are looking for any kind of rebuild kit. If we know an ESN, we can look up all of the exact parts that your engine was built with, and know that we’re getting you the right stuff.

When you go to some of our product pages, you will see a box under our price with the available options. One of the fields that appears is for you to input your Engine Serial Number. If you place an order without inputting your ESN for one of these products, you will get a call from us asking for it. We will always do this before processing an order if your ESN is required. We want to send you the wrong parts just as little as you want to get the wrong parts.

Download game pc youtuber life. Got questions? We've got answers! The staff at HHP has ASE certified technicians with years of diesel engine experience. Give us a call at 844-215-3406 if you have any questions!