The engine cylinder block is cast iron, with insert liners made of gray cast iron with an acid-resistant insert in the upper part of the liner by clamping the liner collar between the block and the cylinder head through an asbestos steel gasket, and in the lower part by two rubber rings

The engine lubrication system is mixed.

The lubrication diagram is shown in Fig. 1

Design of contact ignition system ZIL 131

The engine is equipped with a shielded, sealed battery ignition system, consisting of a B 102-B ignition coil, a P102 ignition distributor, CH307 spark plugs and high voltage wires in shielding hoses and manifolds, as well as an ignition switch

The wheel brakes have two brake shoes with friction linings attached to them.

The engine fuel system is forced, with fuel supplied by a diaphragm-type fuel pump

The presence of a tire pressure regulation system on a car allows you to:

• a) increase the vehicle’s cross-country ability on difficult sections of the road by reducing the specific ground pressure by changing the tire pressure;