MTZ 1523 is a universal wheeled agricultural tractor designed to perform a fairly wide range of work. The model is used to prepare the soil for sowing, sowing, processing seedlings, and helps with harvesting and transporting it. In addition, the MTZ 1523 tractor is in demand in industry, construction, forestry and public utilities.
The production of this equipment is carried out by the Minsk Tractor Plant and is intended for operation in different climatic and soil zones.
History of creation
The MTZ-1523 tractor was developed and produced by the open joint-stock company Minsk Tractor Plant. This company owns the well-known Belarus brand.
a number of changes were made :
- a cabin of increased comfort with a durable frame;
- front axle of improved design;
- modern shape of the hood and fenders.
The climatic design of the U1 v model in accordance with GOST 14254-96 ensures the possibility of outdoor operation in almost any region of the Russian Federation.
Peculiarities
MTZ-1523 has a number of features that distinguish it from other models:
- 6-cylinder engine 155 hp. With. with turbocharging, which meets the highest requirements for ecology and emissions of harmful substances;
- availability of the latest hydraulic system;
- the synchronization transmission has planetary wheel reducers of the rear axle;
- can work in reverse mode;
- The model has a modern design and interior upholstery; the cabin is made of bent profiles and contains spherical laminated glass.
Purpose
MTZ 1523 is capable of performing work in any climate and on any soil.
In crop production it is used:
- for tillage;
- chemicalization of plants and protection;
- cultivation and harvesting of grains, corn, potatoes, vegetables and other industrial crops;
- for applying fertilizers;
- for the preparation of feed;
- to perform transport and loading operations.
In livestock farming MTZ 1523 is used:
- for removal and application of solid and liquid organic fertilizers to the soil;
- feed preparation;
- bringing prepared feed to farms in difficult to navigate areas;
- preparation and grinding of feed.
In addition, this technique is used in the repair and construction of roads, in forestry, road and municipal services.
A variety of devices can be attached to this unit: trailed, mounted and semi-mounted additional equipment, harvesting complexes, drives of stationary devices and mechanisms for loading and unloading operations, which greatly increases the functionality.
Brakes
The brakes are disc brakes and operate in oil. They act on the rear wheels and on the front wheels through the FDA drive. Control is interlocked with trailer brakes and pneumatic drive. For such mechanisms, this option can be considered classic. The disc parking brake is combined with service brakes, with a separate mechanical drive. This increases the safety of the mechanism. The trailer brake drive is pneumatic, combined with the tractor brake control.
In general, this model is a modern image of specialized equipment of its class, ensuring the fulfillment of all tasks assigned to it.
Specifications
"Belarus-1523" belongs to the category of energy-rich vehicles with a traction class of 3 tf. The tractor has a classic layout with a front longitudinal engine, which is mounted on a frame in front of the cab and covered by a hood with removable sides.
The power transmission is located directly behind the power unit and consists of:
- The clutch is a dry type, double-disc with hydrostatic drive.
- Manual transmission.
- Rear axle with locked differential.
- Front axle of portal type with wheel reducers of planetary-cylindrical type.
- Power take-off shaft for driving attachments.
The tractor chassis consists of front and rear wheels of different diameters. MTZ-1523 is equipped with dry three-disc brakes with hydrostatic control; actuators are installed on the drive gears of the final drives. Changing the direction of movement is carried out by turning the front wheels using hydrostatic steering.
Engine
The MTZ-1523 “Belarus” tractor is equipped with a six-cylinder in-line turbocharged diesel engine of its own production.
The power unit of the D-260.1 model has the following technical characteristics:
- Working volume – 7,120 cm3.
- Engine power:
- Nominal - 155 hp. or 114 kW.
- Operational - 148 hp. or 109 kW.
- Specific fuel consumption – 161.8 g/hp ×h.
- Crankshaft speed:
- Nominal - 2100 rpm.
- Maximum – 2275 rpm.
- Idle speed – 800 rpm.
- Maximum torque – 587 N∙m.
- Diesel weight without operating fluids is 650 kg.
The power unit is equipped with a three-stage air cleaner. The engine can be equipped with one of two turbochargers of the TKR-7 or S2A “Schwitzer” K27 brand, which provides air injection into the cylinders. Starting is carried out by an electric starter using an aerosol device.
Preliminary pressure in the fuel line is created by booster pumps with an eccentric drive; at the stage of preparation for launch, a piston pump is used. The tractor is equipped with two diesel fuel tanks with a total volume of 270 liters. One of the tanks is located under the cabin floor, the other is on the right side.
The cooling system is a dual-circuit liquid type with a radiator installed in front of the power unit. The antifreeze circulation is ensured by a centrifugal pump; the thermal regime is maintained by two thermostats and a fan with a viscous coupling.
lubrication system is combined with a gear oil pump. Oil purification is carried out using a centrifugal unit and a filter element. Cooling of the liquid lubricant is carried out by a built-in heat exchanger, which is built into the engine.
Transmission
The choice of driving mode is carried out using a synchronized manual gearbox with constant mesh gears.
The gearbox has 16 forward gears, distributed between 4 ranges. In reverse mode, there are eight gears, which are equally divided between two ranges.
Main elements of the gearbox:
- housing with crankcase;
- hydraulic system;
- control mechanism;
- low gear shaft;
- gear block;
- transmission unit;
- intermediate shaft.
The parts in the gearbox are lubricated with transmission oil located in the crankcase. The gearbox oil is changed periodically in strict accordance with the operating instructions.
The power unit and transmission allow the tractor to reach speeds from a minimum of 1.74 to a maximum of 32.58 km/h when moving forward and up to 15.61 km/h when reverse. This allows the tractor to be used for a wide range of agricultural operations.
Chassis (transmission) and controls
The MTZ model 1523 tractor is equipped with a working and parking brake system. The actuators are installed on the drive gear shafts of the final drives.
The service brakes are divided into right and left and are operated by two pedals using a hydrostatic drive.
The parking system is activated by a fixed lever using independent mechanical rods. There is a pneumatic drive for the brakes of the trailer or towed equipment, the compressor of which is also used to inflate tires.
The transmission of the MTZ-1523 tractor is mechanical and includes the following elements:
- The clutch is a dry double-disc clutch, permanently closed. The control is a pedal, the drive is hydrostatic.
- Rear axle, the design consists of a main gear, a differential with a locking function, two final drives and final drives.
- The front axle, the drive axle, is in the form of a cast beam, in which there is a main gear housing with drive and driven gears.
The chassis of the Belarus-1523 tractor is highly reliable and easy to use. The wheels are mounted on hubs, the design of which allows changing the track of the agricultural machine. On the front axle, the distance is increased or decreased by rotating the disk 180°, on the rear axle - by moving the unit along the axle shaft. To improve cross-country ability, it is possible to install dual wheels.
Steering
tractor "Belarus" hydrostatic, which can significantly reduce the effort when performing maneuvers.
The system consists of the following elements:
- dispenser pump;
- double-rod working cylinder;
- pump driven by a diesel engine and hydraulic system;
- oil containers with fine filter.
The mount is designed in such a way as to be able to control the movement of the tractor in reverse mode from the rear operator's workplace.
Aggregation
The tractor has wide application possibilities in soil-cultivating units and other agricultural machines, and is also used for attaching special drive equipment to the tractor on the rear and front linkages.
Aggregated storage car | Specific resistance of average soils kN/m, at a speed of 5 km/h | Machine working width |
Ploughshare plow | 12-14 | 2-2,5 |
Disc harrow | 1,6-2,1 | Up to 12 |
Ploughshare hoe | 6-10 | 3-4 |
Cultivator | 1,6-3 | To 10 |
Seeder | 1,2-1,8 | Up to 12 |
Reaper | 1,2-1,5 | Up to 15 |
Trailed combines: | ||
silage harvesters | 2,6-3,3 | Until 3 |
beet harvesters | 6-12 | Until 3 |
potato harvesters | 10-12 | Up to 2.7 |
A change in speed of 1 km/h changes the resistivity by up to 1% |
MTZ 1523 with trailed plow
Device
Confident control of the tractor under any load is ensured by hydraulic steering, which includes a metering pump and two differential hydraulic cylinders, as well as ballast weights installed in front of the tractor.
Thanks to the BOSCH microprocessor control module built into the hydraulic system of the model, the machine works effectively with any additional equipment, regardless of its position relative to the tractor body. The tractor's hydraulic circuit with a capacity of 35 liters is powered by a pump with a capacity of 55 liters per minute.
Hydrostatic brakes attached to the main gears of the final drives operate in a container with oil.
The hydromechanical synchronized transmission unit of the stepped type with 16 forward and 8 reverse gears and a dry double-disc clutch allows the transition between speed ranges without interruption of torque.
Overall weight indicators and dimensions
The tractor belongs to the category of middle-class agricultural machines. MTZ-1523 “Belarus” has the following overall dimensions and weight parameters:
- The length in the transport position of the rear suspension system is 4710 mm.
- The width at the ends of the rear wheel axle shafts is 2250 mm.
- Maximum height – 2960 mm.
- Base – 2850 mm.
- The track on the front wheels is 1610 mm, on the rear wheels – 1800 mm.
- Minimum ground clearance – 388 mm.
- The weight of the tractor without operating fluids and fuel is 5800 kg.
- Total weight – 7200 kg.
The characteristics of the tractor provide the latter with good cross-country ability and the ability to overcome fords up to 0.85 m deep.
The tire size used on the MTZ-1523 “Belarus” for the front wheels is 420/70R24, for the rear wheels – 520/70 R38.
The agricultural machine has good maneuverability: the minimum turning radius is no more than 5 m when braking the rear inner wheel.
Cabin
The MTZ-1523 tractor differs from the previous model in improved ergonomics of the operator’s workplace. The single-seat cabin has a rigid spatial protective frame made of steel profile. The design is insulated and provides reliable protection from noise and vibration.
Maintaining a comfortable microclimate is carried out by a heater-type ventilation and heating system. Upon request, a refrigerant air conditioner can be installed.
The operator sits on a sprung blue seat, which has a wide range of height adjustments. The windshield and rear window are equipped with electric wipers and washers, which makes it possible to use the tractor during precipitation.
Large glass area and large rear-view mirrors provide good visibility. The cabin provides space for installing a standard car radio and audio system.
The operator controls the tractor using the following controls:
- Column-mounted steering wheel tilt-adjustable with multifunction switch.
- Four of them are pedals: two control the working brake system, the rest control the fuel supply and clutch.
- Gear and range shift levers.
- Control units: PTO, hydraulic lifting system, differential lock and front axle connection.
- Handles for switching modes, operation of the power take-off shaft and hydraulic system distributor.
- Parking brake lever.
Monitoring of the status and operation of systems is carried out using indicators installed on the instrument cluster. Here are the pointers:
- gearbox oil pressure;
- fuel level;
- tension;
- pressure in the pneumatic system;
- coolant temperature;
- pressure in the engine lubrication system.
The instrument panel is also equipped with a block of warning lamps and an electric tachometer with a control panel. The operation of the heater fan, headlights, windshield wipers and signal lights of the road train is controlled from a switch panel mounted in the ceiling lining.
Attachments
The universal row-crop tractor MTZ-1523 is designed to perform a wide range of agricultural and transport operations.
The work is carried out using the following mounted and trailed equipment:
- Plows PPN.7.30/50, PO-(4+1)-40, PKM-5-40R, PKM-6-40R, PLN-5-35P and PLN-5-35P-2.
- Platform for transporting feed.
- Semi-trailers: agricultural with spreader, transport and special tractor.
- Seeders: pneumatic, mechanical and dotted seeding.
- Stubble seeders-cultivators.
- Units: sowing, chisel, tillage and combined.
- Mounted cultivators for continuous tillage or steam.
- Mounted and semi-mounted harrows.
- Frontal and mounted mowers.
- Baler.
- Forage harvester.
Installation of the listed equipment is carried out using a universal mounted system located at the rear of the tractor. The mechanisms of the units are driven from the power take-off shaft, and the operation of the pneumatic systems is ensured from the tractor pneumatic system.
Tractor attachments
The universal row-crop tractor MTZ-1523 is designed to perform a wide range of agricultural and transport operations.
The work is carried out using the following mounted and trailed equipment:
- Plows PPN.7.30/50, PO-(4+1)-40, PKM-5-40R, PKM-6-40R, PLN-5-35P and PLN-5-35P-2.
- Platform for transporting feed.
- Semi-trailers: agricultural with spreader, transport and special tractor.
- Seeders: pneumatic, mechanical and dotted seeding.
- Stubble seeders-cultivators.
- Units: sowing, chisel, tillage and combined.
- Mounted cultivators for continuous tillage or steam.
- Mounted and semi-mounted harrows.
- Frontal and mounted mowers.
- Baler.
- Forage harvester.
Installation of the listed equipment is carried out using a universal mounted system located at the rear of the tractor. The mechanisms of the units are driven from the power take-off shaft, and the operation of the pneumatic systems is ensured from the tractor pneumatic system.
Modifications
The manufacturer is constantly working to improve the base model and offers several versions of the tractor. Currently, the consumer is offered five modifications:
- MTZ-1523V "Belarus" . The main difference from the base model is the presence of a reversible control post, which is used when performing work with the tractor moving in reverse for a long time. It is equipped with a gearbox with an increased number of gears to 24 – forward and 12 – reverse.
- MTZ-1523.3 "Belarus" . Equipped with a diesel engine model D-260.1S2 (environmental standard Stage II). Rated power – 150 l. With. with specific fuel consumption – 250 g/(kWh).
- MTZ-1523V.3 “Belarus” is a version of the tractor with a reversible control post and a D-260.1S2 power unit.
- MTZ-1523.4 "Belarus" . A D-260.1S3A engine was installed, brought to the Stage IIIA environmental standard. The power unit has increased torque to 660 Nm.
- MTZ-1523.5 "Belarus" . Equipped with a diesel engine model D-260.1S3В, rated power 153 hp. with reduced fuel consumption up to 222 g/(kWh). The engine meets the requirements of the European environmental standard Stage IIIB.
Minsk Tractor Plant is modernizing its products in accordance with market needs. There is a clear tendency to make changes to the engine design in connection with the tightening of environmental requirements for agricultural machinery. The manufacturer's engineers are working to improve the ergonomics of the operator's workplace.
Engine
The model is equipped with a six-cylinder, in-line, 4-stroke diesel engine produced by MMZ with turbocharging. The unit has low fuel and oil consumption, power is 116 (158) kW (hp). The MTZ 1523 engine meets all the necessary safety and environmental requirements for emissions of toxic harmful substances and heavy particles. The tractor is capable of using both domestic and imported fuels and lubricants. The model has a torque reserve. The diesel engine corresponds to the technical level of the best foreign analogues.
MTZ 1523 engine technical characteristics have the following:
- Engine type - highly reliable diesel, four-stroke, 6-cylinder, equipped with turbocharging.
- Rated power - 114(155) kW (hp).
- The nominal rotation speed is 2100 rpm.
- Cylinder diameter - 110 mm.
- Number of cylinders - 6.
- Piston stroke 125 mm.
- Working volume 7.12 l.
The unit provides a torque of 596 Nm, thanks to which this equipment can be used for the most difficult jobs in industry and agriculture. The torque reserve is 15%.
Directly behind the engine are the power transmission mechanisms:
- checkpoint;
- posterior VOS;
- clutch MTZ 1523;
- rear axle
Basic faults and repairs
One of the priority features when choosing a MTZ Belarus tractor is the ability to quickly perform the necessary repairs in the field. During the operating period specified by the manufacturer, the unit is characterized by stable operation, regardless of the intensity of use. The maintainability of components and mechanisms is quite high.
According to numerous reviews from machine operators, the price-quality ratio is optimal. And malfunctions and breakdowns are most often caused by improper operation, negligence in work, illiterate maintenance, and incorrect use of attachments.
Air conditioner
On request, air conditioners can be installed on the tractor, which include a system for cleaning the supply air, cooling or heating it depending on the outside air temperature. Equipping this equipment with air conditioners can significantly facilitate the operator’s work and reduce fatigue throughout the entire working day.
Stepless regulation of supply air cooling creates the most optimal and comfortable working conditions in warm weather. The cabin heating system ensures operation of the tractor in harsh winters. Thanks to the 3-stage regulation of the air flow rate created by the fan and the use of recirculation dampers, you can quickly heat up the tractor cabin even after long periods of parking in cold weather.
The ventilation and cleaning system, which is part of the air conditioner, prevents dust and harmful impurities from entering the cabin, which is also important for comfort.
Advantages and disadvantages of MTZ 1523
The most accurate and complete information about the advantages of any tractor can be obtained by reading reviews from owners and machine operators who have experience in operating it. Based on such reviews, the advantages of the Belarus 1523 tractor include:
- reliable and powerful power unit, which has strong traction characteristics and high efficiency;
- convenient and understandable control by providing machine operators with informative operating instructions and detailed descriptions of the design of various systems;
- modern ergonomic cabin;
- increased cross-country ability provided by all-wheel drive;
- a large assortment of additional mounted and trailed equipment for aggregation;
- the reliable hydraulic distributor installed on the MTZ 1523 provides good power availability for additional hydraulic equipment;
- good maintainability due to the availability of spare parts and consumables, as well as the availability of detailed repair catalogs;
- high-quality standard tires that provide good grip on various soil categories in all weather conditions
Certain disadvantages of the Belarus MTZ 1523 tractor should be considered:
- rapid wear of the clutch discs, which even frequent adjustments cannot prevent;
- low reliability of rubber hydraulic hoses operating under pressure;
- presence of facts characteristic of poor-quality assembly (poor tightening, misalignment, lack of tightness in connections).
The reliable, multifunctional, economical family of Belarus 1523 tractors, which has good technical characteristics and successful design solutions, will allow you to highly efficiently perform a wide range of agricultural work, as well as transport, loading and unloading and other operations in industries that require increased cross-country ability for production work.
Cabin
This equipment has an injury-proof cylindrical cabin with a rigid protective frame made of bent profiles. Glued-in tinted spherical glass. The rear and side windows open. The cabin interior features molded upholstery and panels and carpets. On the roof there is an emergency hatch and a ventilation and heating system, as well as a control panel for some electrical appliances, lighting and alarms, a sun visor, a radio receiver, and a rearview mirror. The seat has a comfortable backrest. Upholstery and sound-absorbing mastics provide sound, heat and moisture insulation. Thanks to heating, ventilation and air purifiers, working conditions are always comfortable.
Hydraulics
The MTZ 1523 hydraulic system is equipped with an integrated block of the BOSCH brand, which provides power, positional and mixed position control of agricultural machines. The system's gear pump NSh-32-3 is of right rotation with a maximum capacity of 55 liters per minute, providing a pressure of 20 MPa. The BOSCH integrated block includes a four-position three-spool valve and an electro-hydraulic spool regulator HER-23LS, operating from an on-board electrical network with a voltage of 12 volts. The mounted system is equipped with a pair of hydraulic cylinders Ts90x250. Before installing the integral unit, the tractor was equipped with a BOSCH distributor and a BOSCH EHR4 regulator. The tractor is equipped with a lift-type towing device TSU-3V, adjustable in height.