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Engine

The eight-cylinder, turbocharged and aftercooled 3508B engine with EUI fuel system is built for power, reliability and economy, and meets all worldwide emissions standards.


Power Train

Completely designed and manufactured by Caterpillar to assure maximum efficiency, high quality, long service life and low operating costs.


Engine/Power Train Integration

Combining the ElectronicControl Module (ECM) with the Caterpillar Transmission Chassis Controller (TCC) allows critical power train components to work more intelligently.


Oil-cooled Rear Disc Brakes

Reliable braking lets the operator concentrate on the work.


Automatic Retarder Control/ARC (Optional)

Electronically controls braking on grade for improved engine and brake component life.


Traction Control System

Traction Control System (TCS) (Optional) Electronically controls wheel slippage for improved performance.


Structures

The backbone of the Cat truck.


Truck Body

Rugged, durable body is built to perform well in the toughest mining applications.


Operator Station

Control ease and comfort maximizes productivity.


Attachment Options

Allow you to customize the 777D for your specific application.


Steering and Suspension

Rugged suspension and steering systems perform on rough haul roads and uneven terrain, shift-after-shift, day-after-day.


Serviceability/Total Customer Support

When you buy a Caterpillar machine, you also get Caterpillar's total commitment to customer service.