The R 956 Crawler-Excavator from Liebherr is equipped with a Liebherr 6-cylinder diesel engine with common rail fuel injection. Among the features enabling this engine to comply with Tier 4i / stage IIIB exhaust emission standards are an external exhaust gas recirculation system and a diesel particulate filter with active regeneration.
The R 956 engine was developed and manufactured by Liebherr at its own Diesel Engine Competence Center. The engine output is 326 hp/240 kW from a displacement of 640 cu. in. Among the features enabling this engine to comply with Tier 4 interim exhaust emission standards are an external exhaust gas recirculation system and a diesel particulate filter with active regeneration.
The steelwork for the new R 956’s uppercarriage has been optimized for extended service life. A wide variety of undercarriages are available to suit any application. The LC is the typical undercarriage for earthmoving applications, two heavy-duty undercarriages HD and S-HD are also available for quarry applications.
The R 956 operator cab offers ample space and is equipped with numerous standard features to ensure the operator’s comfort throughout the day. Air suspended seat, air conditioning and a 7-in. color display in which the operator can monitor and adjust many of the machine functions are just some of them. Additionally, the cab is ergonomically designed to provide the perfect arrangement of controls and joystick for ease of operation.
All crawler excavators in the latest Liebherr model series are equipped with the LiDAT data transmission system. This system provides remote access to specific machine data such as fuel consumption or service intervals.