Motor grader John Deere 872G: work in comfort

John Deere always listens to the opinions of its customers and, based on this, modernizes its equipment. Sometimes, thanks to this, new improved models appear and the product line expands. In addition, John Deere factories can make changes to the design and equipment of already assembled machines. Today we're looking at the John Deere G Series motor graders, which are equipped with a variety of components that can improve machine performance.

Appearance changes

The appearance of the G Series motor graders has changed. Changes include painting the rear ripper linkage in dark gray.

The new, crisp, high-resolution monitor not only makes it easy to view data in bright sunlight, but also makes it easier to navigate menus that are structured by installed applications. New features: - ease of reading data under any conditions; - The new Cross Slope screen also displays information such as articulation angle, current and selected gears, engine speed, operating hours and fuel level.

Features and advantages of road construction equipment

As standard, motor graders are equipped with a cross-slope control system, an automatic differential lock function, and a rear-view camera. We offer to order mechanisms:

• with different locations of controls:

✓ on the console;

✓ on the armrests of the operator’s chair;

• with a bulldozer blade, pickaxe, ripper. Various types of attachments allow you to work with any type of soil and clear snow and ice. You can choose the optimal configuration of the working body for a specific site.

A standard control option is possible - pedals and steering column.

Road equipment components and systems:

• patented John Deere 9-liter engines that meet Tier 3 emissions standards. High performance with low fuel consumption are the main advantages of power plants;
• electronically controlled gearbox. Models 772G and 872G feature adaptive switching;
• 6-wheel drive on 672G, 772G and 872G models. The solution increases tractive effort by a third;
• keyless engine starting system and access codes for operator identification;
• cooling fan with auto reverse.
• working bodies with increased lifting height and powerful angular contact bearings.

Updated front axle

In order to continue to ensure efficient operation in difficult operating conditions, the front axle has been modernized. To achieve this, the following changes were made to its design: • the size of the tilt rod was increased, which made it possible to triple its strength; • the permissible load on the tie rod ends has increased by 20%; • The tilt link mounting point is now cast, providing improved support for the steering system; • The orientation of the wheel angle sensor inside the housing has been changed to better protect the sensor and wiring.

Power point

The John Deere 872G is equipped with the factory PowerTech 6090H engine, which has previously been used in other similar models. The six-cylinder diesel engine fully meets all accepted environmental standards. The cylinder capacity is 9 liters, and thanks to the maximum speed of 2,100 revolutions, up to 193 kW of power is produced. While the motor grader is operating from 1st to 7th gear, the drive is evenly distributed to all wheels, and as soon as the switch to 8th gear occurs, the motor begins to work in enhanced mode.

The air cooling system has a built-in turbocharger, complemented by a flow-through cooling function.

New front fenders

The new improved wing design is the result of the implementation of further customer wishes. In applications requiring quick removal of the fenders, they are now easily removed by loosening two clamping screws. In addition, these wings are shifted forward along the circumference to more effectively protect against dirt during operation and minimize the risk of damage.

Transmission

After a brief overview of the power plant, we can move on to the transmission. In this case, a proprietary development is used, which is complemented by the PowerShift Plus function, which allows you to change speed without losing the rated power of the motor. There are 8 gears to move forward, and the same number to move the grader backwards. Movement can be carried out at speeds from 4 to 44.4 km/h.

The front axle of construction equipment is a welded structure that is designed to work with increased loads. The axles have differentials that can be locked manually or automatically. Thanks to this system, the grader moves very smoothly, which affects the ease of control.

Increased blade traction and maximum weight

The maximum weight of John Deere G Series motor graders has been increased to 24,948 kg. This will provide additional traction on the blade and additional opportunities to use attachments, such as snow removal.

Why John Deere?

The first owner in Russia of the American motor grader John Deere 772G was a company specializing in road construction and reconstruction. In October 2009, this company purchased a grader for the construction of a federal highway from the village. Medyn, Kaluga region to the Safari Park complex in the Iznoskovsky district, also in the Kaluga region.

To carry out such important work, you need equipment of excellent quality, this will help complete the work on time, avoid downtime, and minimize operating costs. The head of the site, Rafik Avakyan, noted the following features of the motor grader: high productivity; the traction force is much greater than that of motor graders with rear-wheel drive only (which means that you can work with a large volume of material without reducing the speed and power of the machine - this saves time on basic operations); The widest blade in its class increases cutting width while reducing the number of passes. Particularly noted is the fact that the fuel consumption of the new grader is lower than that of its analogues due to the use of an improved fuel system and a hydraulic system with a “closed center”; The grader's design helps simplify and speed up maintenance by using the latest technologies and lubrication-free materials, and cleverly positioning filters, fillers and other systems on one side of the machine.

“The next day after signing the contract for the purchase of the motor grader, specialists came to us, put the machine into operation, and instructed the operator. Very efficient work! – the head of the site praised. “I would also like to note the work of the company’s call center, which does not forget about us, advises and provides assistance.”

The operator of the new John Deere motor grader purchased also highly appreciated the new equipment, especially noting the Russian-language LCD monitor with the ability to quickly diagnose the machine, the ease of operations, comfortable conditions in the cabin and good lighting, which allows you to work in the dark.

CVT

G Series motor graders now feature a new shift lever. The desired gear is selected by moving it forward or backward, and to change the direction of movement it is enough to tilt it in the appropriate direction. On G Series models, the new gear selector is mounted on a redesigned right console. Activating the parking brake no longer involves using the gear lever. It is now activated and deactivated by pressing the corresponding button on the SSM panel (as on 4WD front loaders and articulated dump trucks).

HEAD OFFICE: Irkutsk, st. Rabochego headquarters, 29E, t./f.: (3952) 482-460, 482-462 Tmbk.ru

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Motor grader John Deere 872G: work in comfort

A modern grader is a reliable, productive, and most importantly high-tech machine. Just yesterday, the main criteria for evaluating a grader were the weight and power of the engine, but today it has become clear to everyone that the performance of the machine depends not only on these indicators. Road construction professionals began to pay special attention to the reliability and precision with which the machine does its job. Yes Yes. We did not make a reservation, indicating that one of the criteria for the quality of work of the 20-ton monster was jewelry precision.

There is no need to explain what these requirements are related to. It is enough to calculate how much more a kilometer of road will cost if its construction requires not 1–3, but, say, 6 or 9 grader passes. What if the road is several hundred kilometers long? What if we count the irrationally used materials?

Among the seemingly wide range of brands, only a few can offer a car that meets all the requirements of a discerning customer. And one of these “few” is John Deere.

Tested in the harsh conditions of Siberia, the John Deere 872G all-wheel drive motor grader has already earned a reputation as a reliable and productive piece of equipment, and has also been able to change the idea of ​​what a grader should be and how the tasks assigned to this machine by the owner should be performed.

The John Deere 872G is an excellent example of how weight is only a criterion for the class of a machine, but performance is determined by technology, and this can be seen in everything. The 6-cylinder, 275-horsepower, 9-liter John Deere Power Tech engine allows the grader to reach speeds of up to 45 km/h. The engine is adapted to domestic diesel fuel thanks to an additional fuel filtration system, and to save fuel, a programmable automatic shutdown is provided. The hydraulically driven fan reduces energy costs, noise levels and engine wear.

Gear shifting occurs without squeezing the clutch pedal. The transmission features smooth gear shifting. Among the transmissions on the market today. Shuttle and automatic gear shifting are available.

Speaking about the John Deere 872G cab, we note that at first glance, the controls of this machine are no different from industry standards, and this was not done by chance.

The layout of the levers, which is familiar to any grader operator, is one of the factors that allows one to obtain good productivity already in the first hours of work, and the machine’s responsiveness to the operator’s commands and the accuracy of their execution allows one to increase productivity significantly. An informative LCD monitor above the steering column will also come to the driver’s aid. A bright, easy-to-read display allows you not only to monitor the current performance of the machine, but also to diagnose the grader for malfunctions. If it occurs, the monitor signals the operator by displaying an error code that contains the cause of the breakdown and how to eliminate it.

Easy-to-operate controls, a spacious cab, a comfortable seat, and highly efficient heating and cooling help keep the operator productive.

The sealed SSM keypad greatly improves the reliability of the machine's electrical system by reducing the number of switches, wires and connections. There are only 6 wires for 25 switches.

The all-wheel drive system of the John Deere 872G motor grader deserves special attention. When all-wheel drive is not required, it can be disabled and the John Deere 872G becomes a simple rear-wheel drive grader, thereby saving fuel. Engaging all-wheel drive increases blade traction to 20 tons. The machine is equipped with a front wheel speed control system for different operating conditions.

Activating the precision grader mode allows you to disable the rear tandem grader and make the machine front-wheel drive. In this mode, the grader speed varies from 0.4 to 8 km/h. The steering optimization mechanism allows the front wheels to operate independently of each other. When turning, the wheel moving on the outer radius rotates faster, which increases the maneuverability of the machine and also reduces tire wear.

The differential lock function is automatically disabled when the vehicle corners and is activated when the vehicle resumes driving in a straight line. To permanently lock the differential, the operator can disable automatic mode.

The potential of the John Deere 872G is also revealed in conditions that are commonly called difficult, especially in Russia. Connected all-wheel drive with the ability to adjust the speed of rotation of the front wheels allows this American to show the character built into it at the factory in Iowa (USA).

But even when performing work that requires pinpoint precision, the John Deere 872G feels confident thanks to its precise grading function. The slip system protects the blade, turntable, gearbox and traction frame from damage if the blade hits a stationary obstacle. Shock absorption system available. Unlike other manufacturers' wear slew bearings, which require significant effort and knowledge to replace, replacing John Deere grader slew bearings requires only a couple of hours and one wrench. Thus, you significantly save time and money on service maintenance.

New technologies are entering all areas of our lives, and this is especially felt where innovation is not inevitable, but an urgent need. With the arrival of John Deere road construction equipment in Russia, the SDM market changed, and new high standards were set.

Official distributor of John Deere - Timbermash Baikal, Irkutsk, st. Work headquarters, 29 "E" Tel./fax: +7 (3952) 482-460, 482-462

Krasnoyarsk, st. Poligonnaya, 10 Tel./fax

Tomsk, st. Ugriumova, 10, office 8 Tel./fax

Ust-Ilimsk, Ust-Ilimskoe highway, 8 A/6 Tel./fax: +7 (39535) 6-58-38, 6-57-33

Ulan-Ude, st. Stroiteley, 42 Tel: +7 (3012) 677-000

Bratsk, Padunsky district, Industrial site, 01 Tel./fax: +7 (3953) 371-372, 372-373

Irkutsk region, Novaya Igirma village, Eastern highway, 2/4 Tel: +7 (3952) 482-462

Krasnoyarsk region, village. Boguchany, st. Partizanskaya, 113, building. 2, room 1 Tel: (39162) 22-162

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