Liebherr R974B 82t 1995-2025 - Technical data

Parameters and equipment

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R 974 B - Product Description

Powertrain and Design

The R 974 B is a hydraulic excavator known for its exceptional performance and reliability. It is equipped with a Liebherr D 9408 TI-E engine that delivers 360 kW (490 HP) at 1800 RPM. This V-type 8-cylinder engine ensures effective operation.

Undercarriage and Hydraulics

The machine features a heavy-duty HD and HD-SL undercarriage, achieving a maximum speed of up to 2.8 km/h. The hydraulic system consists of two variable flow pumps, providing a maximum flow of 2 x 496 l/min. This allows optimal control of the machine's working force in various modes.

Operating Parameters

The operating weight of the excavator with attachments ranges from 79.8 to 86.5 t, with bucket capacities between 2.20 and 7.00 m³. The working reach extends to 12.25 m, and the maximum digging depth is 9.35 m with a stick length of 4.70 m.

Optional Equipment

The machine offers various optional attachments, such as buckets with different capacities and purposes. Additional accessories may include various undercarriage versions and hydraulic quick-change systems. These options enhance the versatility and efficiency of the machine.

Safety and Technical Data

The R 974 B complies with safety and environmental standards due to its emission reduction system. It is equipped with automatic safety valves and monitoring sensors to ensure high reliability and operational safety.

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Technical data