Description of the machine
Before studying the MDSU 3500 spare parts catalog, it is advisable to examine in more detail the features of such a unit. This type of special equipment belongs to the category of multifunctional machines designed to perform construction and utility work.
One of the characteristic features of the unit is a wide range of additional equipment with which it can be equipped. Thanks to this, it is possible to significantly expand the scope of use of MDSU. Among the problems that can be solved using this type of machine, the following should be mentioned:
- loading of various bulk materials, soil;
- cleaning roads, sidewalks and playgrounds;
- loading/unloading of products placed on Euro pallets.
Loader MDSU 3500
There are many modifications of this model, which allows you to select a unit with optimal characteristics for each type of work. The machine was developed and manufactured by the Technokor concern, and among the most characteristic features of the model it is necessary to note its long service life and high reliability.
Technokor MDSU 3500 description
The MDSU 3500 universal road construction machine is a multifunctional power-assisted machine designed to perform a wide range of work (digging and loading soil and bulk materials, utility work, cleaning roads, sidewalks and sites from debris, dirt and snow, loading cargo on Euro pallets and other work ) due to the possibility of aggregating the machine with various working equipment.
The hydromechanical gearbox housing is also located above the articulation joint, which eliminates the possibility of damage to the gearbox by any obstacles.
Specifications
If you study the operating manual for this unit, which is supplied by the manufacturer, you can familiarize yourself with the main technical characteristics of the MDSU. The weight of this machine varies significantly depending on the modification and type of equipment used.
A front loader with a minimum configuration will weigh about 10 tons, and when equipped with additional devices, the weight increases to 12 tons. The machine can be equipped with buckets of various sizes - from 1.7 to 2.2 m3, which allows you to select equipment in accordance with the expected volume of work.
Among the most significant technical characteristics of a universal road construction machine, it is necessary to mention the following parameters:
- load capacity 3.5 tons;
- dimensions (LxWxH) - 7x2.4x3.2 m;
- power - from 75 to 96 kW;
- fuel consumption 227 g/kWh;
- bucket lowering/unloading time - 3.1/1.2 s.
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It must be remembered that the dimensions of the product may vary significantly when using different types of attachments. This type of special equipment is equipped with a hydromechanical gearbox, which is located above the hinge joints, which avoids damage when overcoming various obstacles.
The vehicle is equipped with a four-stroke diesel power unit with liquid cooling, which avoids overheating even during intensive use at high temperatures. The volume of the fuel tank depends on the specific modification, ranging from 140 to 200 liters, which allows you to carry out work for a long time without the need to refuel.
The maximum speed of the unit at rated speed is 40 km/h. This allows it to be used for transporting goods over short distances.
Distinctive features of MDSU 3500
The front loader has distinctive features that set it apart from similar municipal equipment:
- The choice of engines from Deutz or Cummins by the Russian MDSU manufacturer allows us to speak about the high power of the loader and fuel economy. Motors of these brands are repairable and have a long service life;
- The location of the loader cardan shafts protects the machine from external influences. The shafts are located above the joint of the semi-frames of the vehicle;
- the location of the gearbox housing above the driveshaft also helps protect it from collisions with obstacles on the road;
- brake discs are surrounded by a wheel rim, brake pads and pneumatic system parts are located far from the surface of the earth.
The designers raised all the vital systems of the loader to a considerable height, which protected the machine from various types of damage characteristic of this type of equipment.
Features of operation
This multifunctional machine seems to be a reliable and effective tool for performing various tasks. This is confirmed by its widespread use in the public utilities and construction sectors. The design of the unit is characterized by high build quality, which avoids breakage of individual components.
Standard MDSU headlights have a long service life and allow you to carry out work in the dark. If desired, the buyer of special equipment has the opportunity to customize the machine as much as possible to suit his needs - the manufacturer offers a wide selection of cabins, work equipment, and electronics.
Among the additional options that are most often purchased, it is advisable to mention:
- work cabins that meet ROPS-FOPS standards, which are characterized by a wide viewing angle;
- additional heat and sound insulation;
- hydraulic pumps, high-performance generator.
If you intend to make the operation of the product as comfortable as possible, it is possible to install an anatomical seat, which, unlike its standard counterpart, is adjustable, as well as air conditioning systems. Since the maintenance of this unit is minimal, the driver only needs to promptly replace the oil filter MDSU 3500, the alternator belt, and other consumables.
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Characteristics of the MDSU 3500 front loader
| Nominal load capacity of the machine, kg | 3500 |
| Bucket capacity, m3 | 1,8 |
| Operating weight, kg | 10500 |
| Loading equipment diagram | Z - shaped |
| Returning the bucket to digging position | Provided by kinematics of loading equipment |
| engine's type | Diesel, direct injection, 6-cylinder, liquid cooled, turbocharged |
| Rated engine power, kW (hp) | 92 (125) at 2200 rpm |
| Maximum traction force, kN | 92 |
| Maximum breaking force, kN | 120 |
| Transmission type | Hydromechanical, gear shifting under load within the range, the ranges are switched mechanically in a stopped car |
| Number of forward/reverse gears | 4/2 |
| Number of gear ranges | 2 |
| Torque converter | Single-stage, three-element, maximum transmission ratio - 3.2 |
| Forward/reverse speeds, km/h | 0 – 37 / 0 – 31,5 |
| Turning system type | Hydrostatic control with hydraulic feedback, 2 actuating hydraulic cylinders |
| Half frame folding angle | ±36° |
| Rear axle swing angle | ±11° |
| Bridge layout | Main gear and differential in the central gearbox, final planetary gear in the wheel gearbox |
| Working brakes | Disc, dry, with separate hydraulic drive on axles |
| Parking brake | Single-disc, dry, on the gearbox shaft, with mechanical drive |
| Hydraulic system type | Twin pump, with priority steering valve |
| Maximum pressure of the working hydraulic system, MPa | 16,0 |
| Bucket unloading height at unloading angle 45°, mm | 3000 |
| Unloading height at the bucket hinge, mm | 3830 |
| Bucket unloading range at an unloading angle of 45°, mm | 1100 |
| Length in transport position, mm | 7270 |
| Width in transport position, no more, mm | 2500 |
| Wheel width, mm | 2300 |
| Bucket cutting edge width, mm | 2424 |
| Cabin height, mm | 3230 |
| Ground clearance, not less, mm | 377 |
| Wheelbase, mm | 2750 |
| Track, mm | 1850 |
| Turning radius along the outer edge of the bucket, mm | 6005 |
| Tire size | 17,5 – 25 |
| Electrical equipment | 24 V, single-wire system, negative terminals connected to the frame (“ground”) of the machine |
| Cabin | Safe, highly comfortable, with panoramic glazing, with electric front window wiper, thermally vibration-insulated, with heating, ventilation and air filtration system, with sprung adjustable seat |
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Front loader PK-65
This front loader has been manufactured since 2007 in Chelyabinsk, at ChTZ (Uraltrak tractor plant). It belongs to the Proffi series, being its most successful model (and most powerful). It should be noted that all machines in this series are equipped with excellent foreign hydraulics and a comfortably equipped operator cabin.
The machine has the following advantages:
- Reliable automatic transmissions and drive axles from the German company ZF;
- a special equipment scheme, according to which the bucket, after unloading, itself returns down to collect soil;
- panoramic glass;
- convenient joystick for controlling the operation of the bucket;
- a device for removing air from the hydraulic system, developed by ChTZ specialists;
- turn tracking system.
Photo of front loader PK-65
By the way, the PK-65 was designed in just one year. Comparing it with two earlier models of the Proffi line (PK-30 and PK-46), you can see that it has more substantial dimensions and weight, a larger bucket and a more powerful diesel engine. The design has changed for the better, the design of the handrails and wings has changed. The reinforced frame required the use of durable German axles and transmission (Zonrad Fabrilc).
Purpose
The main task of the PK-65 is to unload and load all kinds of materials. These are, for example, dry and wet sand, asphalt, gravel, clay, coal, fertilizers and agricultural products.
The loader copes well with metal shavings, wood chips, and stones. Reliable components and parts guarantee trouble-free operation in any conditions and with any materials.
This machine is also actively used for a variety of earthmoving work. For example, if you need to backfill a shaft, dig a trench, or remove a pile of earth or gravel. Thanks to its more compact dimensions than, say, an excavator, a front loader is more maneuverable, allowing it to work in tight spaces.
