2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42
The ZMZ 406 internal combustion engine is produced at the Zavolzhsky Motor Plant, which is the main supplier of components for the Gorky Automobile Plant (GAZ). Also, the ZMZ enterprise is engaged in the manufacture of the model 405 engine. These two engines have become the real pride of the Zavolzhsky plant. In their design and technical data, they are somewhat different from each other. But still, almost every motorist knows their principle of operation.
Which cars is this engine model installed on?
Most often, the engine of the 406th model was installed on the Volga model 31105, as well as on the well-known Gazelkas. Moreover, since 2003, the Gorky Plant has completely updated the technical characteristics of all models of these trucks. Since that moment, the 402nd motors have completely gone out of production and were no longer installed on any modern truck. They were replaced by two newunit - ZMZ 406 and ZMZ 405.
406 engine - specifications and description
This engine model went into serial production back in 1997. But, despite this, GAZ 3302 GAZelle cars until 2003 were equipped with only 402 engines. The novelty worked on the 92nd gasoline. The main detail that distinguishes it from other models is fuel injection, which was first developed by engineers at the Zavolzhsky plant. Over its long period of existence, the engine of the 406th model has gained immense popularity and has become one of the most common in Russia. It gained such popularity due to its reliable design and economical fuel consumption.
History of Creation
During the operation of the 405th engine, significant shortcomings were noticeable: on hot summer days, the Volga and Gazelle simply overheated and boiled (probably everyone saw such a phenomenon when there was an empty plastic bottle under the hood of the GAZelle). This spoke of flaws in the cooling system. Many drivers installed a three-section radiator instead of a serial two-section one, but still the engine sometimes made itself felt. The engineers of the Zavolzhsky Motor Plant understood that they could not go on like this, and began to develop a new injection engine ZMZ 406. It was not developed from scratch - its entire design resembled the 405th engine. But now all the shortcomings have been taken into account and are not included in the new 406 engine (injector).
What are the changes in these two models?
So, the very first difference between the 406th motor is the presence of an injector. The carburetor had its drawbacks and was unreliable. The power of the novelty was 145 horsepower. The working volume is 2.4 liters. The unit has a significantly lower fuel consumption, and in winter it is very easy to start. Also, this engine is distinguished by its high reliability, which cannot be said about the 405 model. Actually, these are the main advantages, because of which many motorists choose the 406 engine.
Major overhaul
About a turn of 200-300 thousand kilometers, this motor requires a major overhaul. This procedure is much more expensive than the repair of ZMZ 402 and 405 (about 30-40 thousand rubles). And all because of the complex design of the unit. Therefore, when operating a GAZelle, it should be remembered that in about 3-4 years it will require significant repair costs.
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