The Cat D6R bulldozer belongs to the class of medium-duty special construction equipment. Reinforced components and components are installed on it, and during its creation, previous experience and modern technologies were taken into account. This made it possible to endow the tractor with such qualities as productivity and efficiency. It is designed to perform excavation work of varying complexity and is used in heavy and mining industries, utilities and agriculture.
Photo Cat D6R
Navigation
- Features and Benefits
- Technical characteristics and dimensions
- Engine
- Device
- Chassis
- Hydraulic system
- Operator's cabin
- Control system
- Ease of operation and maintenance
- Attachments
- Modifications
- Cost of new and used
- Analogs
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Features and Benefits
Thanks to its excellent driving characteristics, the tractor can be used on unstable ground, with high viscosity and soil moisture. The track base is characterized by a quick response to operator manipulations, and the hydraulics ensure precision. The main advantages of the Caterpillar D6R bulldozer also include reliability, power, efficiency, and low cost. As a standard, a sufficiently voluminous working body is installed, due to which a large amount of material is transported.
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DESCRIPTION AND PURPOSE
Caterpillar D6R LGP is a crawler-type mining bulldozer manufactured by the legendary Caterpillar company. This equipment will be ideal for a work site, since the brand produces power transmissions, engines and components independently, which is a guarantee of their reliability and compatibility. Differential steering, advanced hydraulics and other features help you achieve optimal performance and maneuverability. The Cat D6R series features rugged design and a wide triangle track (a signature feature of the brand).
The Caterpillar D6R LGP differs from the standard modifications of the series in its wide track part, which determines the scope of its use. The swamp version is optimal for use in areas with waterlogged or weak soil. The main application of a bulldozer is to move large masses of earth and materials over short distances.
Currently, production of the Caterpillar D6R LGP models has been completed. In the brand's line, their place was taken by more advanced versions - Caterpillar D6R2 LGP.
Technical characteristics and dimensions
The Cat D6R bulldozer's performance is driven by innovative developments coupled with proven solutions. The caterpillar drive reduces the pressure on the base, now it is 0.35 kg/cm2. At the same time, the car weighs 18.67 tons.
| fuel tank | 424 l. |
| hydraulic tank | 51.5 l. |
| outlet pressure | 69 bar |
| pump performance | 217 l/min |
| length | 5.6 m |
| width | 3.3 m |
| height | 3.9 m |
| wheelbase length | 2.66 m |
| track width | 1.88 m |
| clearance | 0.38 m |
The main dimensional characteristics include:
The equipment is able to maintain its performance at ambient temperatures from -50 to +50 degrees.
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Bulldozer Caterpillar D11T
The largest bulldozer, Caterpillar D 11, is used in the mining industry. Its length with a blade (27.2-63.46 m³) and a ripper exceeds 10 m. Despite its large dimensions, the tractor is controlled effortlessly, and the maximum speed is 12-14 km/h. Systems similar to the D9 model contribute to this.
Specifications CAT D11
| Dimensions (L x W x H) | 6160x4379x4808 mm |
| Track width | 2896 mm |
| Ground clearance | 675 mm |
| Rollover protection | ROPS/FOPS |
| Engine | CAT C32 ACERT (862-949 hp) |
| Fuel consumption | not regulated |
| Fuel tank | 1609 (1911) l |
| Operating weight (CD) | 104590 (112718) kg |
| Shipping weight (CD) | 74418 (75455) kg |
| Ground pressure (CD) | 1.66 (1.4) kgf/cm² |
D11 frames are manufactured with a minimum number of welds and a one-piece saddle. The safety margin of the chassis is 2-3 service life of the equipment, which allows you to preserve the frame during major repairs.
The 32-liter diesel engine complies with existing environmental standards. The ADEM A4 ECU offers best-in-class efficiency and 20 percent torque reserve.
The bulldozer is available in 2 modifications (D11T/D11T CD). The Carridozer differs from the basic model in its reinforced frame, which can withstand any load.
Engine
A motor with a power of 130 kW or 175 horsepower and a volume of 8.8 liters is installed as standard; it consumes about 16.5 liters of diesel per hour of operation. The fuel tank is designed for 424 liters, which ensures long-term operation without the need for refueling. The shaft rotation speed is 2000 rpm.
The Cat D6R bulldozer is equipped with a six-cylinder (d=112 mm) single-row C9 engine of its own production. It is equipped with a hydraulic drive and an electronic fuel supply system. The unit includes a modern Acert system, which doses the amount of diesel, carries out electronic control and controls the quality of cooling, which has a positive effect on operation.
The exhaust quality meets international Stage IIIA standards. The motor is capable of operating even on low-grade fuel, is repairable and has a simple but reliable design. The main characteristics of the engine are:
- the presence of an additional fan, which reduces fuel consumption by 4% and increases productivity by 3%;
- a mesh installed in front of the radiator that protects the engine compartment from dust;
- high-quality connections of brass tubes and thick-walled manifold, which eliminates leaks;
- the modular design of the radiator of the bulldozer Cat D6R, which guarantees a high speed of repair; this factor is also positively affected by the presence of an indicator on the side wall for carrying out service work;
- electronic control and diagnostic system;
- the presence of a charge air cooler, which increases the efficiency and durability of the engine;
- electronic fuel supply system, which makes the equipment economical.
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Modern solution - Cat D6 bulldozer
The modern Cat D6 bulldozer, like the Chetra T-11, is designed to perform any tasks related to the development of soil and other materials. Heavy equipment of this model is most often used in mountain and sand quarries. With a large front blade and a powerful diesel engine, the Cat D6 can move up to several tons of bulk materials in a single pass. The production facility has been producing special equipment for 80 years. Caterpillar D6 belongs to the medium category bulldozers that are capable of performing any general construction work. The equipment performs well on different types of soil, including muddy off-road conditions.
Special equipment capabilities
The average Caterpillar D6 bulldozer has the capabilities standard for all modern bulldozers. The equipment is equipped with a main front blade, as well as a soil loosener located at the rear of the machine. Despite its weight of 18 tons, the tractor does not fail on soft soils, since 600 mm wide tracks are installed on its chassis. The bulldozer can easily maneuver around free-standing buildings. In general, we can highlight the main capabilities of this model:
- development of soils of any type;
- effective work with frozen soils;
- leveling and cutting off uneven soil;
- preparation of foundations;
- moving bulk materials over a distance;
Cat D6 is presented in a single version, but in some cases it is additionally equipped with a towing device for transporting or dragging large and heavy loads.
Model description
The new Cat D6 bulldozer technical characteristics, which exceed some domestically produced analogues, has a diesel engine with a turbine producing 175 hp. With. already at 2000 thousand revolutions.
Technical characteristics of the bulldozer:
- engine – C9 ACERT diesel, 8.8 liter, with a turbine, distributed fuel injection and a power of 175 hp. With.;
- volume of the main fuel tank – 424 liters;
- hydraulic equipment - two hydraulic cylinders for the blade, one for the ripper;
- ground clearance - at least 383 mm;
- engine cooling type – water with installed additional cooling fans;
- overall dimensions of the equipment – 5600 mm x 3300 mm x 3900 mm;
- curb weight – 18,669 kg;
- main equipment – blade, traction bar-ripper;
- additional equipment - cabin lighting, radiator protection, additional cooling fan, automatic engine overheating protection, automatic operating mode selection module.
The bulldozer cabin is installed directly on the supporting frame; the structure itself has solid glazing all around. The main controls are located inside; additional protection and driver comfort devices are installed.
Device
The advantages of the technology include not only the high technical characteristics of the Caterpillar D6R, but also its durability. It is able to withstand high moments and dynamic impacts due to forged elements in the structure.
The Series 3 frame is capable of reducing the force of impacts during movement and dynamic impacts. The front cross members are welded to resist torsional loads. The body is made using casting, which also has a positive effect on its strength. The VPAT frame is equipped with side guides and a support part of the cardan shaft, through which the load from the working element is transmitted.
The kingpin is also bolted to the main structure and connected to the rear rollers. It evenly distributes the load from dynamic influences, thereby significantly reducing it. In addition, this design eliminates the need for diagonal brackets.
The movement of the Cat D6R bulldozer roller frames is leveled using a special beam. At the same time, the equipment is characterized by high traction force, operating comfort and a minimum amount of vibrations in the cabin.
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Features of the device and operation
The supporting structure of the CAT D6R bulldozer is a strong main frame that quietly absorbs very high shock loads and torsional impulses. Cast elements ensure impressive strength of the main crankcase and balance bar support. The proven modular design allows you to easily remove and install back the main components for their service and (or) restoration.
The bulldozer frame is equipped with a welded cross member in the front part and a reinforced caliper. The main crankcase elements are welded. The kingpin, which is bolted to the main frame and connected to the rear frames of the bogies, allows the bogies to swing independently and ensure optimal distribution of shock loads. The mounting of the balancing weight is of a hinged type, allowing the tracked frames to swing freely vertically, ensuring stable contact with the surface.
Swing axles, mounted on hinges, combine the main frame with the roller frames, and create the possibility of independent movement. This ensures exceptional strength and optimal ground clearance. The heavy special vehicle precisely follows the contour of the surface, guaranteeing maximum traction force and comfortable working conditions for the operator.
Chassis
The shoes are reinforced, which ensures long-term trouble-free operation. The differential control system guarantees the distribution of power to the chassis; when turning, the tracks rotate at different speeds. The crawler track is characterized by high precision. The front guide roller has a long service life compared to its predecessors; its service life has doubled. The same applies to guide rollers and sprockets.
The maneuverability of the equipment allows it to overcome any obstacles. A planetary type gearbox with the ability to control under load is installed as standard. It is designed for 3 forward and 3 reverse speeds. The Caterpillar D6R tractor box includes clutches with an oil cooling system. The transfer case ensures maximum work productivity; it is used as a hydrodynamic element that transmits power from the engine to the gearbox. It has a block design, which guarantees high speed of service and its simplicity.
The Caterpillar D6R undercarriage features a wider track that ensures stability on any terrain and allows for easier turning. Shoes with increased width can be installed on it, unless we are talking about a modification of the LGP VPAT.
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Main modifications
- CAT D6R – basic model;
- CAT D6R series II - a version weighing 15 tons, adapted specifically for work in quarries;
- CAT D6R LGP series II - a modification with an operating weight of 21.6 tons, characterized by tracks with an increased surface, allowing work in swampy and moist areas of soil;
- CAT D6R series III – bulldozer weighing 18.7 tons;
- CAT D6R XL series III – bulldozer weighing 19.9 tons, equipped with a high-power engine;
- CAT D6R XW series III is a special 20-tonne quarry modification.
Operator's cabin
The basic assembly involves the installation of not only the main mechanisms and units, but also a radio with two speakers and an antenna, as well as an air conditioning system. Operational safety is due to great visibility. The tapered hood, improved fuel tank shape, and narrow single-post crawler track ensure good visibility of the work area. Large windows provide visibility to the blade as well as to the sides of the machine. Installing the rear view mirror at a low height makes it possible to control the position of the ripper.
To ensure efficiency, not only the high technical characteristics of the Caterpillar D6R are required, but also operator comfort. The cabin features an adjustable Comfort seat with a contoured high cushion and a folding front edge. The armrests can also be customized to suit individual needs. Lateral supports are convenient when working on a slope.
ROPS acts as a security system. The interior has a reduced level of noise and vibration, and has a 12 V or 24 V electrical system. The dashboard is equipped with indicators and sensors that display the current state of the car. They are visible even in direct sunlight.
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Caterpilar bulldozer design
Like other special equipment manufactured by Caterpilar, the machine is distinguished by a reinforced structure of its main components and leading structures, which allows it to perform many complex jobs and effectively increase labor productivity.
Advantages of Cat D6R special equipment:
- ability to work on wet and sticky soil;
- wide selection of attachments;
- high control accuracy;
- comfortable working conditions;
- versatility;
- power.
The Caterpilar D6R bulldozer is a basic model, on the basis of which several variations of special equipment of various weights and with special structural elements are produced for specific work in quarries or especially wetlands. Cat D6R is perfect for operation in Russian conditions. The main purpose is to move bulk materials, soil and mine rocks. Forged attachments allow the D6R to handle frozen soil and rock with ease.
Features of the Caterpilar D6R bulldozer cabin:
- a large wind window provides a wide view to the driver during operation, which ensures the accuracy of the actions performed and guarantees safety for others;
- pneumatic mounting of the chair allows you to adjust its position for maximum comfort;
- the built-in air conditioner maintains stable microclimatic parameters.
Caterpillar D6R cab inside
Control system
The ergonomic arrangement of controls improves the quality of work and guarantees operator comfort. The rocker switch is used to change the engine speed at idle, and you also need to use the brake pedal.
The control device of the Caterpillar D6R bulldozer involves the installation of a steering wheel. The differential type of control allows you to change the direction and angle of rotation, control the gearbox (switch speeds using a single control handle). For this purpose, there is a special button on the lever. This has a positive effect on maneuverability and makes it possible to use the tractor in confined spaces. The machine includes an automatic transmission, which does not distract the operator from the main tasks.
The blade and ripper control levers are equipped with a hydraulic drive, ensuring ease of control and accuracy of work operations.
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Additional special configurations
The CAT D6R bulldozer can be additionally equipped with special equipment for working in certain conditions and solving specific problems. For example, additional shields and screens protect the cabin, top and sides of special vehicles used in the logging industry.
For continuous operation in severe frosty conditions, the following are intended: reversible fan (to regulate the air flow through the radiator); cold-adapted batteries and generator; cabin with double glazing and electrically heated seat; one-piece hood with additional protection from ice and snow; seals and oils designed specifically for extremely low temperatures.
For a bulldozer working with waste at a landfill, special shields are offered; fender bars and seals that protect the special vehicle from debris, impacts, and negative environmental influences; cooling system and heat shield for working in dusty areas; special functions for treating air before it is supplied to the machine; special dump for storing waste; track shoes with holes in the middle.
Ease of operation and maintenance
To lock the attachments of the Caterpillar D6R bulldozer, a rocker switch powered by an electric drive is used. This ensures safety by preventing accidental activation.
The power plant oil filter is located directly on the engine, which guarantees convenience and reduces downtime. It is installed on the right. When carrying out service work to change the oil, a special device is used to reduce the duration of machine shutdown.
Quick-release couplings reduce power transmission and hydraulic system diagnostic time. They are also installed in the engine compartment on the right side.
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Modifications and features
The Caterpillar D6R bulldozer is based on time-tested solutions from the American manufacturer. The family includes several modifications, differing in the type of equipment used and individual design elements.
Main modifications:
- Caterpillar D6R – base model;
- Caterpillar D6R (Series II) - mining tracked version weighing 15,000 kg;
- Caterpillar D6R LGP (Series II) – a modification weighing 21,000 kg with enhanced track contact with the surface, allowing passage of swampy and waterlogged areas;
- Caterpillar D6R (Series III) – variation weighing 18,700 kg;
- Caterpillar D6R XL (Series III) – a bulldozer weighing 15,000 kg with a high-power engine that increases the capabilities of the equipment;
- Caterpillar D6R XW (Series III) is a quarry tracked modification weighing 20,000 kg.
Features of the Cat D6R family:
- highest operating comfort. The updated bulldozer cabin with an advanced design and ergonomic controls allows the operator to perform any operation without additional effort;
- powerful unit;
- wide range of additional equipment;
- integrated technologies that improve control and management of equipment;
- ease of maintenance and good customer support from the manufacturer.
Attachments
The bulldozer is capable of handling loose soil and frozen soil. The standard equipment includes the installation of a straight blade with a transverse and rotary skew.
You can buy the Caterpillar D6R complete with additional equipment:
- three-tooth and one-tooth ripper;
- middle and side scoring knife;
- rotary standard and hemispherical blade with hydraulic distortion;
- universal non-rotating straight blade type S of small volume;
- non-rotating hemispherical blade SU type of large volume.
When installing a VPAT blade, the tractor is used for soil profiling when creating a construction site.
Fixed parallelogram rippers are capable of operating at a depth of no more than 0.5 m, with a penetration force of 65.6 kN and a lifting force of 116.5 kN. The width of such a unit is 2.19 m.
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Working equipment
L-shaped push bars have advantages over diagonal ribs because they bring the blade closer to the machine. This ensures better stability, increased maneuverability and better ground penetration performance of the blade. This design also provides lateral stability and better positioning of the hydraulic cylinders, which maintains breakout force regardless of blade height. The trunnion connection design requires no additional adjustment to ensure a snug fit of the blade.
Bulldozer blades for CAT D6R are made from high-strength steel using multi-section design technology. for work in the harshest conditions. This blade is ready to work in any, even the most difficult conditions and has high wear resistance, preventing through wear. The cutting edges are additionally hardened. Bolt-on corner pads provide good ground penetration, can be easily rotated and/or replaced, and increase blade life. The company's product range includes hemispherical, straight and rotary blades, as well as special bulldozer blades for clearing territory and working in large landfills.
In the basic configuration, the CAT D6R bulldozer is equipped with a front blade with a width of 3.26 m and a volume of 5.61 cubic meters. The rear working equipment of the CAT D6R bulldozer is a single- or three-shank parallelogram-type ripper, with curved or straight struts. The design provides a minimum number of lubrication points to reduce maintenance and extend service life. Ripper length – 2.202 m; Maximum depth: 500 mm. The bulldozer can also be equipped with rear counterweights (to ensure optimal balance when driving on steep slopes); coupling device for towing and recovery; winch; fender bars (rear and front).
