The "Big Mac" Cat ® 797 Mining Truck is 25 years old!

June 13, 2023

The largest in the world at that time

Mining Truck

1998，

Caterpillar officially launched the world's largest

Mining Truck——Cat®（Carter）797。

A huge body of steel.，

It is equivalent to a three-storey building of 418 square meters.，

It can be called“Big Mac”！

360 tonsThe load of，By8 setsComputer monitoring。

Use only18 monthsComplete the design and manufacture，

Meet industry reduction

Demand for ton cost of large-scale operation。

Design and development

“Pass five passes、Chop six generals”

Requires more than 3,000 horsepower？

The engineers overcame technical difficulties.，Two sets of 3512BDiesel engine in one，Created a.High-powered engine 3524B。

Tire sizes are too small.？

The largest tires available on the market at that time could not support the huge body of 797.，So Caterpillar and Michelin（Michelin）Close cooperation，DevelopedTread width 63 inchesA radial tire。

Driver comfort should be guaranteed？

The documentation thus describes the cab of the 797：“Cab of 797 mining TruckOffers the comfort of home，Equipped with power windows、Adjustable steering column、Air conditioner、Stereo，There's even a water glass holder.。”

Test、Production，

At one go！

Cat The 797 was one of the first devices designed at the Caterpillar Virtual Design Center.，Before the advent of physical devices，And began to be fully tested in the virtual quarry.。After that，Mass production20 797s are used in various large mining operations in North and South America。

Vertically and horizontally, the world is battle-tested.

25 years on the battlefield，Cat The 797 achieves the goal of reducing costs for large-scale operations with superior performance，Proved itself.“Hard power”。Generations of upgrades，Nowadays，Third-generation model 797FDriverless driving has been realized.。Compared to a truck with a driver，CarryCat CommandThe operating efficiency of the automated transport system's driverless trucks can be improved by up to 30 percent%。

The cumulative operating time of the first 797 trucks has exceeded1600 hours，Some of them are still running.，Continue to drive customer success。Now, 25 years later,，Cat 797 is still a remarkable feat in the field of construction machinery and manufacturing.。

A set of digital feelings

Cat 797“Big Mac”Temperament