Liebherr, a leading German construction equipment manufacturer, is redefining efficiency in mining operations with its PR 776 Crawler Dozer. The eighth-generation model delivers exceptional fuel economy, consuming an average of just 38 liters per hour, while introducing advanced assistance systems that enhance operational ease, precision, and cost-effectiveness.

Next-Level Operator Assistance Systems

The Liebherr PR 776 Generation 8 is now equipped with cutting-edge Operator Assistance Systems (OAS), previously exclusive to smaller dozers. These systems provide two key support levels: Free Grade, which stabilizes the blade during fine grading, and Definition Grade, which automates blade positioning for 2D grading tasks.

One standout feature is the Auto Blade Pitch Assistance System, allowing operators to pre-program three blade positions. The first setting optimizes penetration, the second enhances material transport, and the third enables rapid blade emptying. These intelligent systems not only improve operational efficiency but also significantly enhance productivity and user comfort.

Unmatched Reliability with Liebherr’s Robust Engineering

Liebherr has a long-standing reputation for producing durable construction machinery, and the PR 776 continues this tradition. Powered by Liebherr’s in-house diesel engines, engineered for extreme conditions, this crawler dozer guarantees maximum reliability and an extended service life.

A key advantage of the PR 776 is its hydrostatic drive system, which eliminates high-wear components like gearboxes, steering clutches, and service brakes. The inclusion of high-quality hydraulic pumps and motors further ensures long-lasting, low-maintenance performance. Additionally, Liebherr offers a variety of factory-installed equipment packages tailored to different environmental conditions, from desert heat to freezing temperatures.

Simplified Maintenance for Maximum Uptime

Designed with efficiency in mind, the PR 776 provides easy maintenance access to reduce downtime. Centralized service points, wide-access hatches, and a tilting cab allow for seamless inspections and repairs. Operators can also opt for a swing-out cooling fan to facilitate radiator cleaning.

Notably, Liebherr has extended the intervals for hydraulic fluid and engine oil changes. When using Liebherr Plus oils, service intervals can reach up to 8,000 operating hours, depending on the working conditions and regular maintenance checks. This reduces overall maintenance costs and boosts equipment availability for mining operations.

Superior Comfort and Visibility

Operator comfort is a priority in Liebherr’s PR 776. The dozer’s spacious, ergonomically designed cab features a single joystick control for seamless driving and steering. Large panoramic windows and an integrated ROPS/FOPS safety grille provide a 360-degree view of both the blade and ripper, enhancing both safety and efficiency on the job site.

Advanced Remote Operation with LiReCon

To further improve safety and operational flexibility, Liebherr introduces LiReCon (Liebherr Remote Control System) for the PR 776. This advanced teleoperation system includes a fully equipped control stand, multiple camera views, microphones, and real-time radio connectivity.

LiReCon enables quick operator changeovers, minimizing machine downtime and improving efficiency. By allowing remote operation, it also makes it possible to deploy the PR 776 in hazardous mining zones where human presence is risky, broadening its range of applications.

Conclusion

The Liebherr PR 776 Generation 8 Crawler Dozer is a game-changer in the mining sector, offering fuel efficiency, cutting-edge operator assistance, and unmatched durability. With advanced teleoperation capabilities and simplified maintenance, this dozer sets new industry benchmarks for cost-effective, high-performance earthmoving.

For mining companies looking to maximize productivity while ensuring operator safety and comfort, the PR 776 remains a top-tier choice.

Fulian Operation Team
2025.4.2