Caterpillar 797; the biggest truck of the world

We present you in our blog dedicated to the engine to the biggest truck of the world, a giant of more than six hundred tons, which conduction position is in the second apartment. The Caterpillar 797 counts with 3.550 CV of potency that each one distributes to a few wheels of five tons and a half of weight.

797 it obtains the 3.550 potency CV thanks to combining two engines of 12 cylinders arranged in V with four turbo-compressors and a cylinder capacity that reaches 117.000 cc. The set is capable of moving more than 600 tons in weight distributed in a structure 15 meters long for 7 high one.

His cabin does not differ much of that from a traditional truck, in her we can find from the typical coaster, to the computer of on board, the control panel of the air-conditioner or a screen in which the images facilitated by different cameras appear to help to operate similar beast. Caterpillar has placed in his giant a servo planetary transmission of seven speeds ahead and one was doing behind that helps to make use of all the force of his team propellent.

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His speedometer indicates like maximum speed 125 Km / h but 797 scarcely it will come to full load 60 km / h Capable before overcoming earrings of up to 14 %, the consumption of this giant is really astronomical, in one of these maneuvers with maximum demand the computer of on board of the truck can mark a 600 liters consumption per hour.

Everything in him is big, but if there is something that attracts attention even more than the machine, there are his enormous tires. Designed and made by Michelin, these have a diameter of more four meters, a 1,5 meters thickness and each one weighs of the 5.600 kilos order. The rim in which they are anchored is provided with 56 screws. Each one has a triple valve of inflated, process that can take approximately 20 minutes up to reaching the pressure of work that is 7 kilos. In changing a wheel they are taken 8 hours and if it was necessary to change six, two days.

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