Review of the best according to the editors. About the selection criteria. The the material is subjective, is not advertising and is not serves as a guide to the purchase. Before purchase is needed consultation with a specialist.
Excavators are self-propelled machines whose function consists of digging with a bucket or several buckets. As such, works usually development of rocks or loading bulk materials. Excavators are equipped with both tracked and pneumatic wheeled chassis, although large models are practically always have a tracked track. This type of technology is wide variety in terms of size: from fairly compact models, which can often be seen on urban sites and to the present giants commensurate with high-rise buildings. Similar huge cars surprise not only with their appearance, but also with that scale works with which they regularly cope. Present you ten the world’s largest excavators.
- The largest excavators in the world
- 10th place – Komatsu PC8000-6
- 9th place – Demag H740OS
- 8th place – Liebherr R9800
- 7th place – Hitachi EX8000-6
- 6th place – Terex RH400
- 5th place – Caterpillar 8750 Dragline
- 4th place – ES 100/100
- 3rd place – Marion 6360 “Captain”
- 2nd place – Big Muskie
- 1st place – Bagger 293
The largest excavators in the world
|Nomination||a place||name||Machine weight||Bucket capacity|
|The largest excavators in the world||10||Komatsu PC8000-6||722 tons||42 cubic meters|
|9||Demag H740OS||744 tons||40 cubic meters|
|8||Liebherr r9800||800 tons||47.5 cubic meters|
|7||Hitachi EX8000-6||811 tons||40 cubic meters|
|6||Terex rh400||980 tons||50 cubic meters|
|5||Caterpillar 8750 dragline||7500 tons||129 cubic meters|
|4||ESh 100/100||–||100 cubic meters|
|3||Marion 6360 “Captain”||12,700 TONS||138 cubic meters|
|2||Big muskie||13,000 tons||168 cubic meters|
|1||Bagger 293||14,200 TONS||270 cubic meters|
10th place – Komatsu PC8000-6
The Komatsu PC8000-6 hydraulic excavator is the most a powerful model among those produced by this Japanese engineering firm. It weighs 722 tons and is equipped with a bucket with a capacity of 42 cubic meters. A pair of diesel engines with a total power over four thousand horsepower with electronic control system provide high enough performance for intensive machine applications in metallurgical or mining industry. Thanks to the design of its tracked track the excavator has high maneuverability and a smooth ride, which is extremely important when working with heavy rock. Movement speed limited to a minimum of 2.4 kilometers per hour, which is quite natural taking into account its dimensions.
9th place – Demag H740OS
H740OS excavator from the German manufacturer of heavy equipment Demag developed in 1999 specifically for the needs of the Canadian oil and gas company KMC Mining. His mission is to work in extreme conditions with abrasive oil sands. By compared to previous models, the excavator has a wider body, and its mass reaches 744 tons. Hydraulic machine drive two 16-cylinder engines each with power about two thousand horsepower at 1800 rpm. The caterpillar track allows you to confidently move along a shaky sandy surface. Acts as the main gun of the excavator front mounted wide bucket with maximum effort separation of 2320 kN (kilonewton), capable of raising up to 40 cubic meters of sand.
8th place – Liebherr R9800
German mining excavator Liebherr R9800 combines high productivity, maneuverability and ability to work in any conditions. It is equipped with two V-shaped 16-cylinder engines with a total capacity of 4000 horsepower at 1800 rpm. The weight of the machine is 800 tons, for movement used crawler chassis. 47.5 cubic meter bucket and powerful hydraulic system enables fast cycles shipment and implementation of large-scale work for a small time interval. The excavator can work continuously without refueling within three days, during this period of time he consumes 20 thousand liters of diesel fuel.
7th place – Hitachi EX8000-6
Excavator EX8000-6 from the Japanese manufacturer Hitachi is located in operation since 2012, it is mainly intended for mining coal. Its length is about 30 meters, its height is 10 meters, and its mass The giant machine is 811 tons. Despite the impressive parameters, the excavator has excellent maneuverability and high precision operations. Contributes to this advanced hydraulic system with valve reinforcement. Power Hitachi EX8000-6 reaches 3880 horsepower. 40 bucket cubic meters with an effort of 2230 kilonewtons in just one the rise can extract 75 tons of rock from the earth, and in three aisle – fully load a large dump truck. The machine has a huge margin of reliability, allowing operation all day long. Her working resource is about 90 thousand hours.
6th place – Terex RH400
The American company Terex has developed the RH400 model for the implementation of complex and voluminous work in deep quarries. It is the largest hydraulic excavator in the world, and it leading in terms of performance. Mass machine 980 tons creates a pressure of 25.8 newton per square centimeter the soil. Dimensions no less impressive: the length of the giant 26 and a half meters, height – a little less than 14 meters. For movement a tracked platform is used, each of the two pairs of tracks has 8.6 meters wide. The excavator is equipped with a pair of common engines with a capacity of 4600 horsepower. They can withstand around the clock work until the fuel tank runs out of 15 thousand liters the fuel that it holds. 50 cubic machine bucket It weighs 65 tons, it is capable of lifting up to 100 tons of cargo. Thus, only four loading cycles are needed for filling a large mining truck. Per hour Terex RH400 produces a record 10 thousand tons of rock. Thanks to the system oil heating in hydraulics, the excavator saves performance even in extreme cold.
5th place – Caterpillar 8750 Dragline
The Caterpillar 8750 excavator is one of the flagship models among draglines. The weight of the machine is 7500 tons, it is equipped with a bucket maximum capacity of 129 cubic meters, which is equivalent half the volume of a 25 meter swimming pool. Huge bucket can lift cargo weighing 345 tons with a boom length of 132.5 meter. The model is available in two different versions: with traditional and direct AC drive. First option simplifies maintenance; the second is more economical decision. The excavator is designed for use in the most severe conditions, he is able to effectively cope with work independently from the temperature regime, including in severe frost.
4th place – ES 100/100
The largest Soviet excavator was manufactured in 1976 at heavy machinery plant “Uralmash”, then it became huge leap forward, the first in the history of the USSR experience in creating such technicians. ES 100/100 weighed about ten thousand tons (more than Eiffel Tower), and its height along with a hundred-meter arrow comparable to the height of a 25-story building. This model released in a single copy, belonged to the category of walking excavators. His movement was carried out by means of support “shoes” driven by a hydraulic drive. Similar the design allowed to reduce the load on the soil and contributed high reliability of the machine. As a power plant used four synchronously operating electric motors, each of which had a power of 3600 kW. 100 excavator bucket cubic meters capable of accommodating a BelAZ truck inside itself, provided coal mining productivity up to 17 million cubic meters per year. The power of the traction winch of the bucket is also amazing – she can budge a train several kilometers long. ESh 100/100 walking excavator was used in Nazarovsky brown coal deposit (Krasnoyarsk Territory).
3rd place – Marion 6360 “Captain”
Marion excavator built in 1965 for a coal company 6360, called “Captain”, weighed 12,700 tons, and its bucket capacity was 138 cubic meters, in the case of light rocks, he could hold up to 153 cubic meters. The machine was driven by twenty electric power plants, the total power of which reached 15 thousand horsepower. Excavator for long period of time was exploited while quarrying in Southwest Illinois. He served until 1991, when a malfunction in the hydraulic system caused a significant involuntary fire.
2nd place – Big Muskie
The weight of the Big Muskie excavator, which bore the official name BE4250W, reached 13 thousand tons. He was the owner of two size records: as the largest walker and the largest dragline of all that have ever been created. Such giants used in deep quarries, where the usual tracked it was almost impossible to reach the excavator. Big Muskie built right at the place of work, pre-setting for more reliability reinforced concrete foundation. This fantastic gear had a height of about 68 meters, and its length was 149 meters. Unlike the vast majority of similar machines, he was devoid of engine, instead powered by a padded electrical cable voltage of 13,800 volts. In the process Big Muskie consumed tremendous performance amount of electricity comparable to consumption electricity of 27,500 apartments. The main working tool of the excavator – a bucket of 168 cubic meters could easily fit inside a couple of buses. For all the time of his work, he obtained over 20 million tons of coal, digging out more land than was needed during Panama Canal facilities.
1st place – Bagger 293
In the 1970s, before the German designers of Tenova Takraf was tasked with building machines to mine coal at territories of deep quarries with steep slopes. As a result, appeared Bagger line, and today a continuous bucket wheel excavator Bagger 293 takes an honorable first place in size and performance. Its height of 96 meters can be compared with 30-story building, approximately equal to the length of a pair of football fields, and the weight reaches an incredible 14,200 tons. Rotor mechanism machines with a diameter of more than 21 meters, equipped with 18 buckets of total with a capacity of 270 cubic meters. This mechanical day the monster is able to ship 240 thousand cubic meters of rock, which equivalent to the size of 96 Olympic pools. Moves around an excavator in the area due to twelve crawler units, each is almost four meters wide. Movement speed is 600 meters per hour, however it is quite natural with given its colossal mass. Bagger 293 requires 16 seconds to operate sixteen megawatts of electricity electric motors, which would be more than enough for electrification small town. The excavator controls the crew, consisting of five people.
Attention! This rating is subjective, not advertising and does not serve as a guide to the purchase. Before the purchase consultation with a specialist is necessary.