LIEBHERR A904C LITRONIC CRAWLER EXCAVATOR

Technical Description

The Liebherr A904C Litronic is a high-performance wheeled excavator engineered for versatility, productivity, and durability in demanding construction environments. Powered by a Liebherr D 934 S diesel engine, it delivers a net power output of 141 horsepower (105 kW) at 1,800 RPM, meeting Tier 3 emission standards for reduced environmental impact. The engine features a dry-type air cleaner with pre-cleaner, primary, and safety elements, ensuring reliable operation in dusty conditions. The hydraulic system is equipped with Liebherr’s Synchron-Comfort system, providing electronic horsepower regulation, pressure cut-off, load sensing, and torque-controlled swing drive priority for optimal efficiency and control. The excavator offers a maximum digging depth of 20 feet and a maximum reach along the ground of 30 feet, making it suitable for a wide range of excavation tasks. The operating weight ranges from 39,700 to 45,200 pounds, depending on configuration, and the bucket capacity varies from 0.18 to 1.37 cubic yards. The machine is equipped with a hydrostatic fan drive for accelerated warm-up, consistent oil temperature, and extended component life, while also conserving fuel and reducing noise. The electrical system operates at 24 volts with two 110 Ah/12 V batteries and an 80-amp alternator. The A904C Litronic features a modular quick-change system for rapid attachment swaps, enhancing its multi-functionality. With a large fuel tank and series-production fuel cooling system, the excavator ensures long filling intervals and consistent high performance. Its robust design, advanced hydraulic technology, and operator-focused features make the Liebherr A904C Litronic a reliable choice for efficient and productive excavation work.