CAT Biggest Mining Trucks Production – Caterpillar dump truck factory.


The Decatur, Illinois factory, one of Caterpillar’s largest operations, manufactures all 10 models of Caterpillar® off-highway trucks. The complex has 25 structures spread across almost 350 acres.
The largest dump truck in the world is the Caterpillar 797F mining truck, which has a Gross Machine Operating Weight of 1.37 MILLION pounds. The enormous machine is 32 feet wide at its widest point, 51 feet high and 50 feet long. With a 1000 gallon gasoline tank, it can move about 400 tons of cargo and attain an amazing top speed of 42 mph.

The Caterpillar 797 is a line of off-highway, ultra-class, two-axle haul trucks with a mechanical powertrain that Caterpillar Inc. developed and produced in the US primarily for high-production mining and heavy construction applications around the world. The 797 series, which has been in production since 1998, is Caterpillar’s largest and most powerful haul truck line. The current, third-generation model, the 797F, has the maximum payload capacity among mechanical drive haul trucks and has one of the largest haul truck payload capacities in the world, up to 400 short tons (363 t).

In September 2008, Caterpillar debuted the 797F to the general audience at MINExpo International. When the 797F went into full production in late 2009, it superseded the 797B, which it had preceded.  The only haul truck with a payload capability of 400 short tons prior to the 2008 presentation of the Caterpillar 797F and Bucyrus MT6300AC at MINExpo International was the Liebherr T 282B, introduced in 2004. (363 t).

The 797F has a larger payload capacity and a more potent, more effective engine than the 797B. By increasing the amount of material hauled every trip, these modifications allowed Caterpillar to satisfy the needs of mine operators to improve operating efficiency and save costs.

The payload capacity of the 797F is increased by 20 short tons (18.1 t) to 400 short tons (363 t).

In order to maintain the 797B’s top speed of 42 mph (68 km/h), Caterpillar replaced the gross 3,550 hp (2,647 kW) [net 3,370 hp (2,513 kW] Cat 3524B EUI 24-cylinder diesel engine with the gross 4,000 hp (2,983 kW) [net 3,793 hp (2,828 kW) Cat C175-20 ACERT 20-cylinder diesel engine. This allowed the 797F

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