Engine Yamz 534 device technical characteristics

New YaMZ turbodiesels: envy, Europe

Once upon a time, YaAZ, later renamed YaMZ, began with one site in Yaroslavl, and now there are two.
And one more - on the current outskirts, beyond the Volga, as the locals say. There, in 2013, a new plant was opened to produce YaMZ-530 engines. This is the most modern production of turbodiesels not only in our country, but throughout Eastern Europe. In addition to the YaMZ-534 “fours” and the YaMZ-536 “sixes”, since the fall of 2015, Mercedes-Benz OM 646 diesel engines have been produced here for Sprinter Classic buses, which are assembled at the Gorky Automobile Plant. At YaMZ, the block is completely processed with drilling of all holes, boring and honing. Crankshafts are processed and ground. This trust of the Germans is worth a lot.

Everything is yours

GAZ has mastered the casting of the most complex parts of the YaMZ-530 - block and head. The foundry in Nizhny is the most modern. Mechanical processing in Yaroslavl was established even earlier, and at first the castings were imported - from the German enterprise Fritz Winter. It is a supplier to many factories where BMW, Mercedes-Benz, Volvo and others are produced.

The piston group is supplied either from Kostroma, from Motordetail, where they use Kolbenschmidt technologies and materials, or from Naberezhnye Chelny, from the Federal-Mogul plant. Crankshaft blanks are supplied by KAMAZ. And at the Yaroslavl Diesel Equipment Plant (YAZDA) they have mastered the production of fuel injection pumps of a modular design! Previously, the entire fuel system was from Bosch.

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Electronic control unit - Moscow company ITELMA. Turbocompressors are made by NPO Turbotekhnika in Protvina, near Moscow. With domestic fuel equipment, we have not only achieved the Euro-5 level, but are also working to comply with Euro-6 standards.

Russian components make it possible to create more powerful modifications of diesel engines. If previously the YaMZ-534 (4.43 l) had a power limit of 190 hp, now there is a 210-horsepower engine, which they plan to equip the Lawn Next truck tractor and other cars.

The six-cylinder YaMZ-536 (6.65 l) had a limit of 312 hp, but will be 330 hp. (Euro-5). It is planned to produce a “six” with a working volume increased to 7.0 liters with the same piston diameter; power - from 330 to 370 hp. The main customers will include MAZ and Ural - especially since it is planned to begin production of on-road trucks based on the Ural M and Ural Next models.

Fan cylinders

A veteran on the assembly line is the V6/V8 family: these engines have been produced for 55 years! I remember that YaMZ specialists said that V-shaped engines would not even be brought to the Euro-4 level and would gradually curtail production. Among the reasons cited were greater weight than in-line sixes and relatively low liter power. But since the beginning of 2013, these engines have been produced in Euro-3, Euro-4, and now Euro-5 versions. And each version has its own consumer.

Based on the YaMZ-6585 V8 engine (14.86 l, 420 hp), a 500-horsepower version has already been made. But the torque increased slightly - from 1766 to 2000 Nm: too much torque is not needed, otherwise problems with the transmission will arise. The increase in power is achieved thanks to different valve timing and joint tuning of the common rail system and turbocharger.

The engine still has common cylinder heads with two valves per cylinder. The 500-horsepower version has a modified lubrication system; forced cooling of the piston with oil is used through a special gallery in a ni-resist insert. The pistons themselves are of a more complex design. A water-oil heat exchanger with increased efficiency is used.

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The common rail equipment is manufactured at YAZDA, but there are also imported components. On the G8, the electronic control unit and software were developed by the St. Petersburg company ABIT, and the production of the ECU was mastered at the Stary Oskol SOATE plant. Electronically controlled fuel injectors are made in Barnaul. To comply with Euro 4 requirements, SCR selective catalytic reduction technology with AdBlue was used. The Euro-5 V8 engine is also equipped with SCR, but has original settings, and compliance with Euro-3 standards is achieved without the use of urea.

French lessons

Work on a pilot batch of in-line sixes YaMZ-770/YaMZ-780 with a volume of 12.43 liters is nearing completion. Structurally, they are close to the YaMZ-650 (aka Renault dCi11 with a volume of 11.12 liters). There is a turbocharger, an intercooler, and a timing belt with four valves per cylinder. The power range is from 500 to 850 and even up to 1000 power! Torque - from 3000 to 3700 Nm. The new engines have a completely original cylinder block, cylinder head, and crankshaft.

The degree of localization reaches 90%. Moreover, in terms of dimensions, the new diesel engine is comparable to the YaMZ-650, so when processing parts for the YaMZ-770/YaMZ-780, you can use existing equipment and processing lines. All this will allow us to quickly launch the Yaroslavl new product into series.

Features of motor operation

Operation of the YaMZ-534 engine with a power of up to 158 kW will be as efficient as possible. This is achieved by the presence of a universal battery-type fuel system. It is additionally equipped with a control unit that supplies the exact amount of fuel to the system, depending on the needs of the vehicle. This allows you to reduce fuel consumption at maximum power and increase efficiency.

Diesel YaMZ-534

The environmental friendliness of YaMZ-534 is achieved by the presence of a waste gaseous substances recycling system. The engine design includes a special neutralizer, which is equipped with a replaceable filter for ease of operation.

Even when the YaMZ-534 engine operates at maximum power, its predicted service life without major repairs is 0.7-1 million km. At the same time, the engine manufacturer recommends maintenance of the unit every 30 thousand km.

Yamz 534 engine reviews from owners

The third modification is no longer equipped with a Chinese engine, but with the latest YaMZ-534 diesel engine from Yaroslavl. It was developed jointly with the Austrian company AVL, equipped with common rail injection from Bosch, exhaust gas recirculation and meets Euro 4 standards. The engine of the future! And although the version adapted for the PAZ loses to the “Chinese” in terms of “horses” (150 hp versus 185 hp), the torque here is higher - 580 Nm versus 550 Nm.

How does a “spring” PAZ drive with YaMZ? The rear suspension behaves approximately the same as on conventional “grooves”: stiff, shaking. In general, on rough roads, rear passengers will have no time to sleep. But springs are much more reliable than pneumatics. “Drivers are accustomed to going over bumps and jumping over rails on spring “grooves,” say the developers, “but pneumatics do not forgive this.”

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The new soundproofing of the engine compartment is very good: heaven and earth compared to the cars of the first releases! And the diesel itself is quiet: the “Chinese” is even noisier.

But the complaints about the car’s behavior remained the same as before. The steering is uninformative (if you “swing” the steering wheel left and right while driving, the bus doesn’t even think to react), the gearbox drive is like rubber, tight and with very closely spaced gears.

As for the engine itself, it confidently accelerates the car with passengers, but at about 80 km/h the bus completely loses its agility. However, the declared “maximum speed” of 100 km/h here is still higher than that of options with Chinese and, especially, Trans-Volga engines.

But the fate of the new Yaroslavl diesel engine is a big question. More recently, the GAZ Group reported that serial production of diesel engines of the YaMZ-530 family will begin in 2011, and 1,500 jobs will be created at the promising plant for their production. But exactly the day before the demonstration of the bus with the new engine, the state corporation Rostekhnologii blocked a loan from Vnesheconombank for 5.8 billion rubles for this project! And if there is no money, then there will be no engines as planned. Gas workers called the incident a “conflict of interest”: Russian Technologies owns a controlling stake in KAMAZ, and it is now launching the production of Chinese middle-class Cummins diesel engines. If so, get rid of Yaroslavl competitors from the market! Despite the fact that the YaMZ-530 is the first and, in our opinion, a very successful Russian unit of this class. But even if its production can be established, a “groove” with such an engine will be only slightly cheaper than the current one with a Chinese engine. Eh.

In the meantime, the fate of the shown modifications is as follows: a copy from YaMZ is being prepared for certification, the gas vehicle is experimental, but the first batch of long-wheelbase buses is already being produced.

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Motor modifications

The four-cylinder diesel YaMZ-534 with a power of 100-158 kW has a huge number of modifications, which is explained by its versatility and reliability. Their list includes:

• It is considered a basic modification, which is used for most trucks, tractors, road trains, and dump trucks;
• Designed primarily for URAL vehicles and road trains operating on their basis;
• Used for various MAZ vehicles with different functional purposes;
• 5341/10. Used for PAZ-320412 buses, the total weight of which does not exceed 11 tons;
• This power unit, a modification of YaMZ-534, is used for many PAZ buses with a load capacity of up to 11 tons;
• Popular model, ideal for PAZ-32053 buses;
• 5344-10. A popular modification for GAZ trucks with medium tonnage;
• Used for medium-tonnage GAZ trucks, characterized by increased cross-country ability;
• 534/CNG. It is the newest model, released into production several years ago, which is just being introduced to the market.

Characteristics of YaMZ-534

Unit design

YaMZ-5344 is made of cast iron, the crankshaft is steel. The cylinders form a monolithic block with a common head with an intake air manifold. The design of the main subsystems is as follows:

1. The ShPG consists of a one-piece piston, 3 piston rings, a steel pin, an I-section connecting rod, liners and an injector. The nozzle is located on the lower head of the connecting rod.
2. Cooling. In the “front” part there are cooling units that operate from a belt drive. The cooling system is liquid; a water pump, a centrifugal pump and an axial fan with a clutch are mounted in the service module.
3. Fuel filtration is carried out by two fuel filters (coarse and fine) produced by MANN+HUMMEL.
4. The gas distribution device is overhead valve, the camshaft is located at the bottom.
5. Lubrication is carried out by sucking oil from the crankcase with an oil pump and feeding it into the system through a liquid-oil heat exchanger and filter. The pump can only be accessed by first removing the flywheel housing.
6. Fuel injection is coordinated by the ECU. The nozzle is a closed type. Includes a sprayer, hydraulically controlled needle lift, and an electromagnetic fuel supply valve.

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The unit is equipped with a turbocharger that uses exhaust force to produce boost.

Reliability, problems and repair of YaMZ-534

The YaMZ-530 engine series began production in 2012 and consisted of a 6-cylinder YaMZ-536 and a 4-cylinder YaMZ-534, we’ll talk about the latter here.
This is a complete copy of the 536, but without 2 cylinders. There is a cast-iron in-line cylinder block with oil nozzles and cast-iron wet liners. The crankshaft with 88 mm journals and 76 mm connecting rod journals has a piston stroke of 128 mm. The 534 has steel connecting rods and 105 mm pistons. As a result, we have a working volume of 4.4 liters. Article on the topic: Cadillac SRX 2014 owner reviews

The engine is covered with a head with 4 valves for each cylinder. Valve size (intake/exhaust): 36/34 mm. This is a lower engine and the camshaft is in the block. The valves need to be adjusted as needed; this need to be checked every 30 thousand km. Valve clearances (intake/exhaust): 0.3-0.4/0.4-0.5 mm.

Common rail injection and Bosch CP3.3 NH fuel injection pump are used here, and the injection pressure is 1800 bar. Euro-5 versions are equipped with a YAZDA 531 pump, the pressure is increased to 2000 bar, and the turbine is replaced with a Holset HE200VG. The oil pressure on a warm engine is in the range of 4.1-5.6 kgf/cm2. This turbodiesel is equipped with a TKR 60.02.02 (BorgWarner S200G) or TKR 50.09.14 (BorgWarner S100G) turbine.

The engine is controlled by a Bosch EDC7 UC31 ECU, and modifications for Euro 5 were received by Bosch EDC17 CV44 and Abit M240 units.

Modifications of YaMZ 534 and their differences

1. YaMZ-5340 - the first model with 190 hp. at 2300 rpm, torque 710 Nm at 1200-1600 rpm. This version meets Euro-4 standards and is equipped with a TKR 60.02.02 turbine. — YaMZ-53402 — model according to standards 96-02 for ZZGT-3344. - YaMZ-53403 - Euro 5 model for LiAZ-4292 and KAVZ-4270. Power increased to 210 hp. at 2300 rpm, torque 780 Nm at 1200-1600 rpm. The engine is equipped with an EOBD, a Holset HE200VG turbine, a YAZDA 531 pump, has increased injection pressure (2000 bar), and an M240 ECU. — YaMZ-53405 — combine harvester engine with 200 hp. — YaMZ-53406 — diesel for various construction equipment with 190 hp. 2. YaMZ-5341 - the same 5340, but upgraded to 170 hp. at 2300 rpm, torque 670 Nm at 1200-1600 rpm. Stands on PAZ-3204. - YaMZ-53411 - analogue of 5341 with OBD instead of EOBD. Installed on Vector 8.8 and PAZ-3204. - YaMZ-53412 - modification under 96-02 for boats KS-131M and 110-52. — YaMZ-53414 — CNG version 5341 for KAVZ-4235 and PAZ-3204. — YaMZ-53415 — tractor version with 190 hp. for K-708.4 according to standards 96-02. — YaMZ-53416 — 180 hp diesel. for construction equipment RM-Terex TG 140 and TX 210. Environmental class 4 (96-02). - YaMZ-53418 - another version under 96-02 for 137 hp loaders. at 2100 rpm, torque 710 Nm at 1300-1600 rpm. 3. YaMZ-5342 - version 5340 with TKR turbine 09.50.14. This power plant develops 150 hp. at 2300 rpm, torque 590 Nm at 1300-1600 rpm. They put it on PAZ-4234, 3337. - YaMZ-53421 - the same 5342 where EOBD is replaced by OBD. - YaMZ-53423 - analogue of 53403 with a TKR 50.09.16 turbocharger, which allows you to develop 170 hp. at 2300 rpm, torque 664 Nm at 1200-1600 rpm. They install an internal combustion engine on PAZ-3204, 3205, 4234. - YaMZ-53424 - version running on gas. Available in PAZ-3204, 3205, 4234 vehicles. - YaMZ-53425 - combine harvester model for environmental class 4 (standard 96-02), power 180 hp. at 2200 rpm, torque 690 Nm at 1300-1600 rpm. It is installed on Nova S300. 4. YaMZ-5344 - analogue of 5342 with firmware for 136 hp. at 2300 rpm, torque 422 Nm at 1200-2100 rpm. Found on PAZ-3205 and GAZ-3309. — YaMZ-53441 — 150 hp version. for GAZon Next under Euro-4. - YaMZ-53442 - analogue of 5344 under standards 96-02 for GAZ Sadko. - YaMZ-53443 - the same as 53423, but with hp reduced to 150 power. Under the hood is GAZon Next, Vector Next and Sadko Next. — YaMZ-53444 — gas engine based on 5344 for GAZon Next. 5. YaMZ-5345 - a diesel engine based on the YaMZ-5340, but without EGR, with a TKR 80-04 turbine and its own firmware. This allowed us to get 240 hp. at 2600 rpm and torque 784 Nm at 1400-1700 rpm. Such motors meet the 4th environmental class (rules 96-02). Installed on MZKT-5002 and Aerokhod A25. - YaMZ-53452 - analogue of 5345 with a power of 215 hp. at 2600 rpm and with a torque of 735 Nm at 1400-1700 rpm. Found on MZKT-5002. — YaMZ-53455 — combine version with 160 hp. for Nova S300. 6. YaMZ-5346 - version 5340 for KAVZ-4235. The engine develops 170 hp. at 2300 rpm, torque 590 Nm at 1300-1600 rpm. 7. YaMZ-5348 - version for diesel generators.

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YaMZ-534 malfunctions

This is a complete similarity to the YaMZ-536 and their problems are the same. Here you can learn more about the problems of the YaMZ-530 series.

Engine number YaMZ-534

Look for the motor number on the block next to the generator.

Scope of application of these power units

YaMZ-534, developed using medium-power YaMZ-530 diesel engines, is distinguished by its versatility. Therefore, it has found a wide range of applications as part of various specialized equipment. This engine effectively performs the assigned functions when installed on vehicles with a carrying capacity of up to 12 tons. They are often used as part of road trains weighing up to 21 tons.

Diesel engines YaMZ-530

The YaMZ-534 power unit can be used for vehicles with four or six wheels, where two or four of them are driving. When creating this engine, it was planned that it would be installed on the following specialized equipment:

• MAZ freight transport;
• GAZ cars;
• GAZonNext;
• Ural (preferably a new model);
• PAZ buses with small or medium capacity.