The engine ZMZ-511 for vehicles medium-duty


2020-02-15 02:00:11




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The Engine ZMZ-511 is petrol eight-cylinder V-shaped power unit, which is simple, reliable designs and quality technical parameters of the previously widely established in a variety of domestic cars and medium duty trucks.

Development of motor plant

Plant in the village of Gorky the Volga region began to build as a company for the production of bicycles. Already during the construction of the new decision ordered the plant to produce spare parts for automobile “GAS” and only the third has the government identified the purpose of the plant, as manufacturer of automotive powertrain and in 1958 the enterprise got the name “Zavolzhsky motor plant" (ZMZ).

“wheels” was built as a full-cycle plant for the production of automotive engines. First motors, the company released in the fall of 1959 for passenger cars GAZ-21 “Volga”. In the future, with the development of the enterprise has mastered the production of engines for trucks “GAS” and buses “GROOVE”, while constantly expanding the range and quantity of produced motors. In the 1990s, the company released the first domestic high-speed diesel engine ZMZ-514.

Further development of the enterprise connected with joining to the group «Sollers". In the present period, “wheels” manufactures engines for a variety of automotive transportation (more than 20 modifications), spare parts. The plant's products are certified in accordance with applicable regulations.


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ZMZ 511

Production and application engine

The First petrol engine model ZMZ-511, the plant produced in 1959. The new engine was to replace the outdated engine GAZ-51 and at the initial stage of production it was intended for the acquisition of medium-duty trucks GAZ-53, which was produced from 1961 to 1993.

ZMZ-511 due to the simple design and high quality technical parameters turned out to be a very good engine and well established in the prescribed vehicle. Therefore, the company has prepared several modifications of the motor to equip other vehicles, namely:

  • Truck terrain GAZ-66;
  • Small buses “GROOVE”;
  • Trucks “POPS”;
  • Buses of the middle class “Adapt”;
  • Truck GAZ-3307, replaced the model GAZ-53.

Currently, the plant produces an upgraded version of the engine under the index ZMZ-511.10.

ZMZ 511 specifications

Technical parameters

Widespread use contribute to the technical parameters of the power unit. Have produced modifications to the engine ZMZ-511 specifications are as follows:

  • Type – four-stroke, gasoline, carburetor;
  • Arrange the cylinders – V-shape with angle of 90 degrees;
  • Cooling method – liquid;
  • Number of cylinders – 8;
  • Volume - 4.25 l;
  • Capacity – 125,0 HP;
  • The amount of compression and 7.60;
  • Height – 1.10 m;
  • Length – 1.00 m;
  • Width – 0.80 m;
  • Weight – 0,262 t;
  • Specific fuel consumption - 286 g/kWh;
  • Oil consumption – 0,4 % (from fuel consumption);
  • A resource & ndash; 300 thousand km

The Specified technical parameters of the motor allow operation of vehicles medium-duty trucks.

Features engine

When upgrading the engine ZMZ-511 applied the following design solutions:

  • Set high turbulent combustion chamber;
  • Used for cylinder head screw intake channels;
  • Reinforced mounting brackets front support;
  • Essipova method of fastening the bearing caps:
  • In the manufacture of top compression rings applied high-strength cast iron;
  • Mounted system for exhaust gas recirculation;
  • Changed the phase and location of Cams on the camshaft.

These decisions enabled not only to preserve but also to reinforce the main advantages of ZMZ-511, which are:

  • Reliability;
  • Easy construction;
  • Maintainability.
engine ZMZ 511

Despite this, the engine is currently not installed on mass-produced cars, he is still in demand for replacement fulfilled the normative service period of power units on previously manufactured vehicles.

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