- #Yanmar 8 hp deisel motor serial numbers#
- #Yanmar 8 hp deisel motor code#
- #Yanmar 8 hp deisel motor series#
Engines with serial numbers 80931 - 81130 and any serial number higher than 81181 will use standard 2QM20 parts. Engines with serial numbers 80001 - 8091 - 81180 were also different from the primary production models and may require different parts.
#Yanmar 8 hp deisel motor series#
F=Factory Fresh Water This series includes the following engines: EngineĮngines with serial numbers 0001 - 0030 were prototypes and may require different parts. A designation of F near the end of the model means it is fresh-water cooled. The QM series was available either sea-water or fresh-water cooled. This series includes the following engines: Engine Single cylinder, 2:1 or 3:1 transmissions, sea water cooled, heavy duty. Vertical models, updated two times with the SVE engines followed by the SB. The models were sea-water cooled, singe cylinder, heavy duty. The series was updated three times with the YSE being the earliest model, followed by the YSB and then the YSM. These horizontal models lay down in a low profile.
#Yanmar 8 hp deisel motor code#
When the code has a Z, e.g., 4LHA-STZE, the engine is an inboard outboard model with a Mercruiser sterndrive or 'Z' drive. UTE is ultra turbocharged, -STE is super turbocharged, etc. TE, is a turbocharged, export model engine, -ETE is extra turbocharged -HTE is highly turbocharged, -DTE is deluxe turbocharged
The models 3JH and over have a suffix in the model code: -E is a normally aspirated export engine The 4LH and 4LHA series are both 4 cylinder engines with the same long block assembled in Japan, but the 4LHA is finally assembled in the USA with US sourced components, the same also applies to the 6LY and 6LYA engines. 3JH, and 3JH3 versions are also of this family. 6CXM-ETE The 4JH series was uprated to 4JH2 series, then 4JH, series, each series increasing in bore size and horsepower while reducing emission levels to comply with the Bodenzee Regulations in Europe and the EPA / CARB regulations in the USA. An M means the engine was shipped from the factory without a gearbox e.g. A 4JH2-BE model is fitted with a down angle gearbox. A 3GM30FC is a 3 cylinder, freshwater cooled engine from the GM family, with a saildrive attached. The letter C indicates the engine has a saildrive attached.
The JH, LH, LP, LY, CX and KY family of engines are all freshwater cooled. If the F is absent, it is a 'raw' water cooled engine. On engines that are either 'raw' or 'fresh', below 34hp, the fresh water cooled engine has the letter F in the model designation, i.e. An engine with an enclosed cooling system containing fresh water and coolant, in turn cooled by raw water going through a heat exchanger, is a fresh water cooled engine. The 1GM, 2GM and 3HM were also uprated to 1GM10, 2GM20 and 3HM35 respectively, note, the suffix numbers are not the horsepower of the engine.Īll of the above engines are either 'raw water' cooled or 'fresh water' cooled. A 2GM is a 2 cylinder engine with a GM type block, and so on.Ī 3GM30 is a 3GM that has a larger bore and therefore develops more horsepower than its predecessor. For example, 3GM is a 3 cylinder engine with a GM type block. The numbers 1, 3, 4, and 6 indicate the number of cylinders. If an engine model does not have the Y in the beginning, the engine has a vertical cylinder or cylinders. Here are some examples of engine model codes and their meanings: YSE8 Y= horizontal cylinder, lying down. Some older engines have the data plate on the adapter plate between the engine and the gearbox. Most engine model designations are on an engine data plate, on the front or the top of the engine. Let us know what engine you have and we will make it a priority to get your engine listed. If you do not find your engine listed here you may contact us at: We will be adding more information to this page often. Use this page to help identify your engine model based on year, horsepower and other data.