Liebherr R972 63.7t 1982-2025 - Technical data

Brand Model - Product Description

Powertrain and Design

The machine is equipped with a NTA 855-C-335 "BIG CAM" diesel engine with a turbocharger generating 233 kW (317 HP) at 2100 RPM. Engine cooling occurs in a reverse manner to manage temperature effectively. Additionally, it features a large water radiator for efficient cooling.

Undercarriage and Hydraulics

The undercarriage consists of independent hydraulic drives for each track, providing excellent maneuverability. It is outfitted with hydraulic control systems enabling smooth movement and synchronization among working functions. The hydraulic pumps deliver a maximum flow of 2 x 320 l/min at a working pressure of up to 300 bar.

Operating Parameters

The machine achieves a maximum pulling force of 202 kN (20.6 t) and digging force of 214 kN (21.8 t). Lifting capacity depends on the selected attachments and boom, allowing for use in various working conditions. The fuel tank capacity is 680 liters.

Optional Equipment

Various booms and buckets are available as options, which can be tailored to specific operational needs. The ability to use attachments for excavation work, including grading buckets and grapples, significantly enhances the machine's functionality. Standard equipment includes buckets of different capacities, customized to the client's requirements.

Safety and Technical Data

The machine complies with ROPS and FOPS safety standards and features a reliable braking system. It is also equipped with a monitoring system for hydraulic oil levels and filters. This allows for continuous control over its operational parameters, enhancing safety during use.