The Komatsu D65EX-16 bulldozer is a heavy tracked vehicle manufactured by the Komatsu manufacturer. The products of the Japanese brand are very popular all over the world. The history of Komatsu began in 1917. At that time the company was a small enterprise servicing mining equipment. Over 100 years of development, the company has become one of the leaders in the construction equipment market. Bulldozers began to be produced in Komatsu in 1947, and the first export deliveries to the USSR took place in the 1960s. Today, almost 35% of all bulldozers have the logo of this brand, and the brand itself is associated with high quality and advanced technology.
Komatsu D65EX-16 is a representative of the manufacturer’s basic model range. The bulldozer is designed to perform a wide range of work:
- mining;
- performing various operations in mining activities;
- performing work during the construction and dismantling of buildings, structures and other objects;
- transporting soil and materials over short distances;
- performing road transport works.
Komatsu D65EX-16 is used for cleaning, leveling, clearing areas, creating pits, trenches and ditches. This machine is especially effective when working with gravel, soils of any category, coal, crushed stone and other materials.
Modifications
The Komatsu D65 family is considered the base line of the brand. When developing the series, the priority was comfort and ease of operation, which led to a reduction in the number of repetitive actions. As standard, the equipment is equipped with various blades, the presence of which is indicated in the index.
The series consists of several variations with different attachments:
- Komatsu D65E - basic version with a fixed blade and adjustable skew. The index does not affect the shape of the blade (straight or hemispherical type of the blade is set);
- Komatsu D65EX - modification with a rotating blade and adjustable skew. The functions are the same as the basic version;
- Komatsu D65A - variation with the ability to adjust the blade misalignment.
The pioneer of the Komatsu D65EX series is considered to be the Komatsu D65EX-12, which was modernized over several years. The range also includes the following machines:
- Komatsu D65EX-15;
- Komatsu D65EX-16;
- Komatsu D65EX-18.
Komatsu D65EX-16 is the most popular model in the series. Bulldozer Features:
- a modern working body and an automatic transmission, complemented by a hydraulic transformer locking clutch, increasing the capabilities of the bulldozer and increasing its efficiency;
- new gearbox with increased efficiency;
- simple steering based on a hydrostatic system;
- a unique blade shape designed for excavation work and significantly increases productivity;
- Komtrax system;
- reliable and powerful motor with fan to reduce temperature.
DESCRIPTION AND PURPOSE
Komatsu D65E-12 belongs to bulldozers of traction class 12. In terms of power, the model is among the leaders in its category, which allows it to perform work of increased complexity. Among the features of the equipment are ease of maintenance, thoughtful design of the workplace and reliability, which is due to the use of its own aggregate base. Despite the high cost, the Komatsu D65E-12 quickly pays for itself.
The bulldozer is used in various fields: mining, economic, road construction and industrial. The model is suitable for both zero-cycle construction work and for use in technological processes in enterprises. Komatsu D65E-12 is designed for various climatic zones and shows high efficiency when operating in the cold season. The main activity of a bulldozer is moving soil and materials. Various configuration options and additional options allow you to expand the scope of application of the bulldozer and choose the version that will be optimally suited for specific working conditions.
Specifications
Dimensions:
- length – 5490 mm;
- width – 3410 mm;
- height – 3155 mm;
- track width – 1880 mm;
- track width – 510 mm.
Blade characteristics:
- maximum lifting height – 1130 mm;
- maximum level of penetration into the ground – 505 mm;
- maximum range of skew angle adjustment – 870 mm;
- volume – 5.61 cubic meters.
The bulldozer's ground pressure is 0.64 kg per cubic cm (55.2 kPa) with a total mass of 19,500 kg. The maximum speed is 13.4 km/h.
Photo
Device
The high technical parameters of the Komatsu D65EX-16 model are explained by modern technologies and the standard quality of the main components manufactured by the manufacturing company. Due to this, the hydraulic and electronic systems, chassis and engine are fully adapted to the intended purpose of the machine, which increases its efficiency.
Main components of Komatsu D65EX-16:
Rigid and durable load-bearing frame. The stresses in the frame nodes are reduced, which increases the service life of the equipment. To improve reliability, a kingpin and a larger cross-section crawler frame are also used.
Improved chassis with proprietary parallel links and rotating bushings. The design is characterized by increased wear resistance due to the possibility of rotation of the bushings. The drive wheel support is automatically adjusted to ensure a stable load on the wheel, reducing play during movement and reducing vibration and noise. The Komatsu D65EX-16 is equipped with an extended track that makes lifting easier. Other features of the chassis include:
- low profile equipment providing optimal stability and balance;
- new multi-disc oil-cooled brakes that do not require regular adjustment. They are characterized by a long service life and high wear resistance.
A hydraulic system that includes spool valves located adjacent to the hydraulic tank. The main element is a piston-type hydraulic pump operating with a power of 248 l/min. Another feature of the hydraulic system is the flat O-rings that prevent hoses from leaking. The working body of the bulldozer also has a tilt cylinder pipeline, which is located in the body of the push bar, which eliminates damage.
TORQFLOW transmission, which is a signature feature of the Komatsu brand. It is a three-element liquid-cooled torque converter and a 6-speed planetary gearbox (3 forward and 3 reverse speeds) with hydraulic drive and torque converter lock-up clutch. Due to this, the equipment can move in a wide range of speeds. The gearbox is equipped with a locking lever and a switch that can prevent the equipment from rolling back when stopping on an uneven area.
The basic equipment includes a ROPS safety system, developed using 3D modeling. The Komatsu D65EX-16 cabin is characterized by high tightness and strength. Thanks to this, vibration and noise in the cabin are reduced. The advanced safety system eliminates the need for external grilles and posts, increasing operator visibility. For ease of control, the cabin has a large liquid crystal display, which displays data on the status of the equipment in various languages. The monitor has built-in special thin-film resistors that produce high-quality images in any conditions. The interior contains special switches used for various tasks.
Dampers installed at the body mounting points reduce dynamic vibrations during movement. The spring system does not involve direct contact between the supporting structure and the cabin, absorbing dynamics.
The main control element of the bulldozer is the joystick. The control system is responsible for the following functions:
- movement and position of the working body;
- change of speeds;
- speed and direction of movement (joystick and electronics);
- gearbox indicators (gears are switched using buttons);
- operating mode;
- selection of automatic or manual transmission control mode.
All malfunctions and failures are recorded on the monitor. The system monitors the condition of equipment through a variety of controllers and sensors installed in various places. A buzzer and lamp notify the operator of serious faults, after which an error code appears on the display.
Komatsu D65EX-16 can be operated with the following attachments:
- rotary blade (straight or hemispherical);
- single-tooth type rippers. They are mounted on the rear linkage and controlled from the cab;
- scoring knives, consisting of side and middle knives. Installed along the edges of the blade;
- pipe-laying attachment;
- three-prong type rippers. Mounted on the rear linkage and controlled from the cab.
Control system
The D65EX-16 bulldozer is equipped with joystick control, like the other models in the line. The control system regulates the following functions:
- direction and speed of movement (via joystick and electronics);
- position and movement of the working element (joystick control);
- operating mode and fuel supply;
- setting manual or automatic gearbox control mode;
- principle of changing speeds;
- gearbox indicators (via ECMV valve).
For precise and high-quality control of the working body, a hydraulic system is provided, due to which manipulations are carried out without the application of additional effort. The same applies to the direction and speed of movement of the Komatsu D65EX-16, gears are switched using buttons.
Hydrostatic steering ensures smooth, fast turning that directs motor power to both tracks without interrupting flow on the inner track. To ensure high maneuverability, counter-rotation has been developed at an extremely small turning radius.
Engine
The Komatsu D65EX-16 is equipped with a 4-stroke diesel unit SAA6D114E (manufacturer - Komatsu) with charge air cooling, direct fuel injection, liquid cooling system and turbocharging. The model uses the previous variation of the engine compartment with side doors. The gull-wing design facilitates access to the unit and its maintenance. The SAA6D114E engine is highly fuel efficient and complies with EU Stage 3A and EPA Tier 3 environmental standards.
Characteristics of the SAA6D114E motor:
- working volume – 8.27 l;
- rated power – 116 (155) kW (hp);
- maximum traction force – 400 kN;
- maximum torque – 800 Nm;
- number of cylinders – 6;
- cylinder diameter – 114 mm.
The average fuel consumption of the Komatsu D65EX-16 model is 20.3 l/hour. Depending on the nature of the work, the indicator can vary from 7 to 31 liters. Consumption taking into account operating mode:
- heavy – 23-31 l/hour;
- average – 15-23 l/hour;
- light – 7-15 l/hour.
Fuel tank capacity – 415 l.
Working equipment
The price of Komatsu D65EX-16 (12, 15, 18 series) depends on the working equipment that comes with the equipment. The standard equipment includes the installation of a modern and high-tech Sigma blade. It is positioned as a productive and efficient working body for performing a range of earthworks. A special feature of the design is the device of the central part, which cuts and moves the soil. This made it possible to increase the capacity of the organ and reduce the divergence of soil on the sides of the dump. A positive effect is also a reduction in soil resistance, which led to an increase in the volume of work while reducing energy costs.
The width of such a working body is 3.41 m, and the volume depends on the model purchased. For the EX, the standard blade holds 5.6 cu. m. The maximum unloading height is 1.13 m, digging depth is 0.5 m. The distortion can be no more than 0.87 m.
Bulldozers are optionally available with a rotating or fixed blade with controlled tilt. Additional equipment also includes:
- multi-shank parallelogram ripper;
- straight blade with manual angle adjustment;
- hemispherical blade;
- rippers of our own production;
- straight blade.
Depending on the shape of the blade, the scope of use of the equipment changes. At the same time, all working bodies are characterized by high-quality work with any type of material, have excellent penetration into the thickness and low rolling resistance.
Price
The price of a new Komatsu D65EX-16 bulldozer depends on the equipment and starts from 9 million rubles. It is not possible to buy this model in Russia without mileage.
Used cars are present on the domestic market. Here the final cost is determined by the configuration, year of production and additional equipment. The price tags for used Komatsu D65EX-16 bulldozers are significantly lower, which, taking into account the high reliability of the equipment, makes such a purchase a good option. In normal condition, the car will cost 4.7-6.7 million rubles.
An hour of renting a Komatsu D65EX-16 costs 1500-1800 rubles.
Rent a bulldozer Komatsu D65EX-16
The Japanese Komatsu tractor equipment plant was founded almost a hundred years ago and during this time has established itself as one of the best manufacturers in the world. Quality, performance and reliability of products are the main criteria by which this brand has been evaluated for more than a decade.
The Komatsu D65 bulldozer is known for its versatility, since it is possible to install replaceable equipment, which includes: rippers, openers, extenders, etc. This expands the scope of application and allows the model to be used in different areas.
Renting a Komatsu D65 has the main purpose of digging or filling trenches, constructing dams, quarrying, and working with soils. But it is also often used in construction; in mining; in performing road, repair and cleaning operations.
It is noteworthy that the D65 bulldozer is filled with original elements (engine, hydraulic drive and transmission), that is, manufactured by the same manufacturer, which indicates a long service life, quality and efficiency of the equipment. If we talk about the engine, it is designed in such a way that it works in conjunction with a direct injection system.
Thus, renting a Komatsu D65 bulldozer guarantees increased labor productivity on site.
Rent Komatsu D65 in Moscow and Moscow region
The considerable cost of the Komatsu D65 is perhaps the only drawback of the unit, but if the machine is needed one-time or it is necessary to use the equipment with some frequency, then renting a D65 bulldozer will help solve this issue.
As for the positive aspects of a crawler bulldozer, they include a combination of high power and low fuel consumption. Therefore, the D65 is considered to be one of the best in its class, because it is capable of completing a task of truly any complexity.
The large size of the Komatsu D 65 does not deprive it of maneuverability. After all, a motion controller is installed on board, which contributes to accuracy and speed when changing the direction of the machine.
Renting a Komatsu D65 bulldozer in Moscow and the Moscow region is work performed in accordance with generally accepted environmental safety standards.
The wide tracks of the bulldozer indicate good maneuverability of the unit, so it is able to work with tasks in places where other equipment may not be able to cope.
