MAZ-5337: technical characteristics of the car model

General information about MAZ-5337

The base of models with a 4x2 wheel arrangement is 3.95 meters. The load capacity of an onboard vehicle based on chassis 5337 is 8.7 tons with a total curb weight of 7.15 tons.

The distribution of the full tractor load of 16 tons is expressed by the ratio 0.37:0.63, i.e.:

front axle – 6 t,
rear axle – 10 t.

The permissible weight of the trailer (data for the main type used - MAZ 8926-02), when the machine is operating as part of a road train, is 12 tons, thus, the total weight of the hitch reaches 28 tons.

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The versatility of the series makes it possible to tow other types of platforms. But you should take into account:

indicated maximum towable weight;
design of the coupling device;
the possibility of using the trailer brake system as part of a road train;
voltage value and the presence of appropriate connectors for connecting electrical appliances.

The metal truck platform mounted on the chassis has sides that open on three sides. At the same time, the side ones consist of two parts, which makes loading and unloading operations at a height of 1.4 meters convenient.

The platform flooring is made of durable, rot-resistant wood.

Advantages of the vehicle

MAZ trucks are quite often designated as superautos. This name is quite justified, since the car is as advanced as possible. The elements and mechanisms of the car are made in a unique exclusive design. The MAZ brand vehicle is fully equipped with a variety of modern devices. It is for this reason that cars are very popular and are used in a wide variety of areas of the construction and industrial sectors.

A modern truck tractor is characterized by a large number of undeniable advantages. Among the most important positive aspects are:

A true hard worker who is ready to work without any failure at full load;
Optimal performance and load capacity, the truck does not let the driver down on long trips;
High reliability indicators.

Thanks to these positive qualities, the truck was in demand during the Soviet Union and is popular today. The vehicle's middle axle is a pass-through structure that is installed to reduce the overall load on the main rear axle. One of the important details is the presence of a center differential, the purpose of which is to effectively distribute the total torque between the main axles. The design is installed on the rear axle and only on cars that are characterized as three-axle. At the same time, competent, uninterrupted driving and operation are ensured through timely technical inspections.

The cabin of the MAZ truck deserves special attention. Drivers appreciate it for its high levels of comfort and practicality. In terms of external characteristics, the truck is quite attractive. The latest models are equipped with uniquely shaped headlights, the design of the cabin itself, and also the radiator. In the new models, the shape of the windshield has been slightly changed; if previously it was split, now it has a panoramic one. The shock-proof bumper was replaced with a more attractive aggregate one, on which the headlights are installed. The entire interior of the cabin has been slightly improved, it has unique levers and the most comfortable steering wheel.

Cabin and steering

For experienced drivers who worked on Belarusian cars, the 500 series of the MAZ family was remembered as not having the most comfortable working conditions.

The cabin was noisy, cold, and the glazing was problematic, especially the front glass.

In general, long-distance flights became a real pain. The workplace in the 5337 series is characterized by modern comfort. Thermal and sound insulation of the standard interior has been improved, and an effective heating and ventilation system has been used.

The two- and three-seat cabins located above the engine are equipped with a hydraulic cylinder with a hand pump to tilt them forward when access to the engine is necessary. The driver's seat has a sprung base.

Its design allows you to adjust the distance to the controls, seat height, and the angle of the seat cushion and backrest.

Most models do not have a berth in the cabin. But in some modifications (MAZ-533701 HL) there are up to two sleeping places.

Cars with this marking can be used in the Far North, where temperatures often drop to -60 degrees Celsius.

Important! The dashboard and all interior trim elements meet safety requirements in their modern sense, that is, they have special linings that serve to absorb impact energy.

Rear view mirrors, a system of internal cabin lighting devices, a power steering column, etc. were made taking into account the same requirements.

Convenience and ease of control of a heavy machine is ensured by a complex that includes a rack and pinion mechanism and a hydraulic booster, consisting of a distributor in the steering wheel and a booster cylinder.

The cabin glazing uses a panoramic windshield, curved and solid, providing an excellent view of the road. High-quality seals on windows and doors prevent moisture, dust, etc. from entering the cabin.

When the machine moves, special air intake flaps create air flows along its side surfaces, preventing them from becoming dirty. The all-metal body is welded from steel elements with a protective coating.

Priming and dip painting, in combination with other processing methods and timely maintenance, provide long-term protection of the cabin from corrosion processes.

Summing up

Many people are motivated to purchase this car by the numerous positive reviews about the truck from the owners. What deserves the greatest admiration is its attractive appearance, small dimensions, carrying capacity; it is very comfortable and solid to sit behind the wheel of this car. Also attractive is the optimal combination of price and quality of the truck. Almost everyone notes the ideal handling of MAZs; they get real pleasure from the work process on this machine. Standard work can be carried out with an optimal level of control and comfort at the same time.

Engine and transmission

The design of the engine installed on the MAZ in question is a turbocharged V-shaped diesel engine YaMZ-236 HE2 (meets EURO II standard) with six cylinders located at an angle of 90°, with a total volume of 11.15 liters.

The developed power at 2,100 rpm is 180 “horses” (or 132 kW). The torque reaches a maximum of approximately 68 kgf/m in the range of 1,250-1,450 rpm.

The six-section injection pump includes a low-pressure pump for pumping fuel, a multi-mode speed controller and an injection advance device (clutch). The type of working nozzles used is closed.

The dry type air filter has an indication of the contamination limit, and it is possible to change the filter element.

The kit includes an electric flare device (EFD). As a separate option, the manufacturer offers a special heater for starting the engine (PZD-30).

A single unit with a diesel engine is a transmission, including a dry clutch with two discs and a pneumatic booster, as well as a five-speed YaMZ-236P gearbox.

Its design includes synchronizers for forward gears, starting from II to V; their gear ratios from I to V and reverse gear (3X) are respectively:

I - 5.2,
II - 2.9,
III - 1.53,
IV - 1.00,
V (accelerating) - 0.66,
ZH - 5.48.

A pair of shafts connected in series form a cardan transmission, which has an intermediate support.

The main two-stage transmission of a spaced type consists of a central gearbox with bevel gears and planetary gears along the sides in the wheel hubs. The total gear ratio is 7.14 (7.7), and by components:

gear – 2.08 (2.27),
onboard – 3,428.

Thanks to the used power plant, the car can be accelerated to 85 km/h in just 50 seconds.

In economical “cruising” mode, the average diesel fuel consumption reaches about 21.5 liters for every hundred kilometers traveled.

Combined cycle driving will require up to 35 liters per 100 km. The road train easily overcomes slopes up to 25% steep and fits into a general turning radius of up to 9.8 meters.

Brake systems series

The 5337 series uses multi-level braking systems driven by pneumatics.

The efficiency of their operation is ensured when moving at a speed of 60 km/h, slowing down and completely stopping a multi-ton road train - over a distance of only 36.7 m.

All equipment of combined systems has two independent circuits, separate for the front and rear pairs of wheels.

Traffic and parking safety is ensured by:

drum-type service brakes with a width of 160 mm, a diameter of 420 mm and cam release devices. The brake chambers at the rear have additional spring accumulators;
parking brake (activated by pneumatics in the rear wheel chambers on spring energy accumulators);
spare brakes (combined with parking brakes). It is recommended to use when all others fail;
Special flaps in the exhaust gas exhaust system, activated by pneumatics, provide the function of auxiliary brakes , slowing down the engine speed.

When working as part of a road train, combined options for activating trailer brakes (one- and two-wire) are provided.

There is protection against blocking in case of freezing of accumulated condensate.

Malfunctions

When operating a vehicle, the following breakdowns may occur:

low braking efficiency;
uneven braking of the wheels of the right and left sides;
jamming of service or parking brakes (brake jam);
increased travel of the parking brake handle.

An increase in braking distance can occur due to a large gap between the pads and the brake drum (TB), due to wear of the pads or insufficient output of the rod at low pressure in the pneumatic system. If such a malfunction appears after repairs associated with replacing the pads, then there is a high probability of oiling of the friction material or the inner surface of the brake pad.

In most cases, a car skidding during braking occurs due to a large difference in the strokes of the brake rods installed on one axis or the shaft getting stuck in the expansion cam bushings in the brake pad block.

Slow release most often occurs due to a broken or stuck return spring in the brake cylinder. The cause of such a defect may also be incorrect adjustment of the brake pedal. Therefore, the brake valve lever does not reach the stop. Due to the breakdown of the brake pad tension springs, spontaneous braking may occur, and a characteristic knocking sound in the wheel will be heard when driving.

When driving a truck with a trailer, there may be a delay in the latter's braking. This is due to incorrect installation of the adjusting ring in the brake valve. The same failure is typical for a stuck piston in the trailer air distributor.

It must be remembered that a breakdown in the steering will only lead to a loss of control of the car, and a vehicle failure will lead to the impossibility of stopping it, which will inevitably end in an accident.

Suspension, wheels and tires

The series uses an improved front and rear suspension system:

The front suspension springs , combined with two telescopic shock absorbers, have a semi-elliptical shape, their rear ends slide smoothly;
two main and two additional springs of the rear suspension are semi-elliptical in shape. The rear ends of the main springs and both ends of the additional springs are sliding.

The wheels with 8.5V-20 rims used in the MAZ-5337 truck have a discless design. Each is fastened with clamps on 6 bolts. Radial tires can be installed: 11.00R20 (300R508), I-68A, I-111A or I-111AM.

Power and consumables

The on-board voltage of 24 V is provided by the G-273V generator, the operation of which is monitored by the built-in voltage regulator Y120M.

Starting the engine is ensured by the ST103-A-0 starter, powered by two 6ST-190A (6ST-182EM) batteries.

The standard fuel tank, holding 200 liters of diesel fuel, provides an autonomous range of 450 to 900 km, depending on the load and configuration.

The total amount of oil in the engine is 25 liters of all-season M-6/10B (or M-10B in summer and M-8B in winter). Antifreeze A-40 is recommended for use in the cooling system; its total quantity is 29 liters.

Truck cranes based on MAZ-5337: general technical characteristics

The general demand for truck cranes is related to their mobility, ability and ease of maneuver, ease of installation and operation, etc. The famous “Ivanovtsy” can serve as an example.

A wide range of models with different load capacities, types and lengths of cargo booms are installed specifically on the MAZ-5337 biaxial chassis. An important component is their cost: it compares favorably in combination with the high quality of the equipment.

Today, a good new truck crane can be bought from 3 to 6-7 million rubles, depending on its technical characteristics.

A feature of all crane superstructures on the MAZ-5337 is the complete development and absence of “raw” components and elements in the design.

Cost of work

Price
Adjusting the brakes	1,100 rub.

The prices indicated on the website are not final and may change either up or down.

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