Liebherr R946 LITRONIC to R966 LITRONIC specifications

History and service record of R946 LITRONIC to R966 LITRONIC

• R 946 positive control hydraulics. Liebherr's R 946 brochure describes a positive control hydraulic system with two working pumps, electronic power control that converts engine power to hydraulic power, and a Stage IV / Tier 4f engine with SCR that uses AdBlue and shows the fluid level on the display. Crawler excavator R 946 brochure, Liebherr.
• Quiet viscoelastic cab. The R 946 cab is mounted on viscoelastic mounts to absorb vibration and the brochure puts the sound level inside at under 72 dB, with proportional manipulators for fine control of hydraulic tools. Crawler excavator R 946 brochure, Liebherr.
• Size of the two machines. Liebherr lists the R 946 Litronic at 220 kW (299 hp) and 38,750 to 47,800 kg with 1.00 to 3.00 m3 buckets, and the R 966 Litronic at 320 kW (435 hp), 68,550 to 73,100 kg and 3.50 to 5.50 m3 buckets. Crawler excavator R 946 Litronic, Liebherr Intermat 2018.
• R 956 launch at Conexpo 2014. Liebherr's 4 March 2014 press release introduced the R 956 at Conexpo Con/Agg 2014 in Las Vegas as a standard hydraulic excavator of approximately 122,100 lb (55,400 kg) that replaces the previous R 954, with a 6-cylinder common rail diesel of 326 HP / 240 kW. The Liebherr R 956 Crawler Excavator, Liebherr press release.
• R 956 cab and options. The same release says the R 956 cab has an air suspended seat, air conditioning and a 7 inch color display, that LC, HD and S-HD undercarriages are offered, and that the Conexpo machine ran a 24 ft 11 in (7.6 m) gooseneck boom, a 9 ft 6 in (2.9 m) stick and a 3.6 yd³ (2.8 m³) backhoe bucket. The Liebherr R 956 Crawler Excavator, Liebherr press release.
• R 966 for China. Liebherr's November 2016 press release for Bauma China says the R 966 is a 70-tonne crawler excavator that replaces the R 964 C, with a Liebherr V8 engine rated 320 kW / 435 HP that met Stage IIIA / Tier 3 / CHINA III limits, aimed at quarrying, mining and bulk earthmoving. The Liebherr R 966 Crawler Excavator for the Chinese Market, Liebherr press release.
• R 966 protection and access. The same release lists FOPS and FGPS guards, piston-rod protection for the stick and bucket cylinders, impact-resistant glass, a rear view camera as standard, catwalks on both sides of the upper frame, and an HD fixed-track gauge undercarriage with an LC-V variable-track gauge undercarriage as an option. The Liebherr R 966 Crawler Excavator for the Chinese Market, Liebherr press release.
• R 960 Demolition in Hamburg. Liebherr's report on Ehlert & Söhne says the Hamburg demolition firm used an R 960 Demolition, a 90 tonne machine with a 250 kW / 340 hp Stage IV engine, to take down a seven-floor building at Ballindamm, and was impressed by its robustness after more than 1000 operating hours, with fuel use between 27 and 30 litres per hour. Ehlert & Söhne with the Liebherr R 960 Demolition, Liebherr.
• R 960 Demolition reach and safety. The Liebherr report says the R 960 Demolition succeeds the R 954 C Demolition, reaches operating heights of 33 m with a tool weight of 3.5 t, carries the Liebherr Demolition Control system that won innovation awards at Intermat in Paris in 2015, and has a cab that tilts 30°. Ehlert & Söhne with the Liebherr R 960 Demolition, Liebherr.
• R 956 and R 960 SME in France. Machinery Trader's 2022 report says the Vitse company used an R 956 of 340 horsepower that Liebherr says burns 7.9 gallons (30 liters) per hour to dismantle buildings in Laon, while Eiffage's Stage V R 960 SME at the Bocahut quarry in Haut-Lieu, weighing 132,280 to 138,560 lbs, replaced an earlier Stage IIIB R 960 SME and helps produce 3.3 million tons a year. Liebherr R 956, R 960 SME and R 976 excavators in Northern France, Machinery Trader.
• Why SME machines carry more weight. Machinery Trader's 2022 report explains that Liebherr builds its SME-series crawlers for quarry work with reinforced undercarriages plus components and counterweights from larger excavators, and that the added stability lets an SME use larger buckets, 3.92 to 4.84 cu yd on the R 960 SME. Liebherr R 956, R 960 SME and R 976 excavators in Northern France, Machinery Trader.

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