New water solutions truck from Caterpillar

Caterpillar has launched the new Cat 777 (05) water solutions truck that is designed to provide an integrated solution to help reduce haul road dust by solving overwatering and underwatering issues.
Dewatering Pumps / August 11, 2023
By Liam McLoughlin
The 777 (05) truck is designed to enable properly watered haul roads at quarries and mines
The 777 (05) truck is designed to enable properly watered haul roads at quarries and mines

The manufacturer says that properly watered haul roads directly impact fleet cycle times and the ability to meet production targets. As haul road dust takes a toll on safety and productivity at mines and quarries, the water truck is one of the most important pieces of support equipment at the site.

The new 777 (05) is built on the Cat 777E truck platform, proven at mine, quarry and construction sites globally. Cat says it is an innovative truck that uses less water for controlling haul road dust, and adds that the the design integrates the truck, tank, and water delivery system, connected with technology. The Cat Water Delivery System (WDS) combines with Cat MineStar Edge connectivity to help operations manage the site more safely and productively with flexible levels of technology to meet site needs.

Featuring a 75 700-l (20,000-gal) Cat-branded water tank, the 777 (05) comes complete with spray system, splash guards, fill chute and rock ejectors. It is powered by the 765 kW (1,026 hp) Cat C32B engine that meets China Nonroad Stage III emission standards, equivalent to U.S. EPA Tier 2.

The new water truck’s exclusive Cat WDS features a self-contained hydraulic system that controls spray patterns independent of engine RPM for consistent watering. Variable water flow, based on the truck’s speed, automatically starts and stops when the truck slows or comes to a halt, preventing overwatering and subsequent poor traction at road intersections. The pump features soft startups and automatically shuts off when the tank is empty to prevent system damage.

WDS components include a water cannon, oil cooler, variable displacement pump, hydraulic oil tank, electronic control boxes and hydraulic motor/water pump. Covering up to a 24-m (80-ft) wide road in a single pass, the system sprays at rates reaching 0.8 l/m2 (0.2 gal/ft2) at speeds from 4 to 40 kph (3 to 25 mph). With its maximum 61-m (200-ft) spray distance, the truck’s water cannon offers a maximum flow rate reaching 4732 l/min (1,250 gal/min).

Factory-installed, ergonomic water controls are integrated into the truck’s design for convenient system operation. Its innovative automated water delivery feature enables the operator to remain focused on driving and site traffic to enhance safety. Complete with auto shut-off to prevent overfilling, the water tank is filled remotely, allowing the operator to remain inside the cab during the cycle to reduce potential operator slips and falls.

Providing tracking capabilities without the need for infrastructure investment, Edge Equipment Tracking delivers basic connectivity without interfering with existing fleet management systems. Helping to achieve a lower total cost of ownership, Equipment Tracking provides insights to help mines better manage their assets. It features service meter readings, fueling and recording data, location accuracy and replay, time utilization tracking with downtime and operator tracking, automatic stoppage measurement, and health event recording.

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