LIEBHERR A309 CRAWLER EXCAVATORS

Technical Description

The Liebherr A309 is a robust wheeled excavator designed for versatile performance in construction and excavation tasks. This model features a direct injection turbo-charged Deutz BF4M2012 engine, delivering 86 horsepower (64 kW) at 2,000 rpm, powered by a 4-cylinder configuration with a displacement of 244.1 cubic inches. The hydraulic system is equipped with a variable displacement swashplate pump, providing a flow capacity of 58.2 gallons per minute and a relief valve pressure of 5,076.4 psi, ensuring efficient and reliable operation. The hydraulic system fluid capacity is 66.1 gallons, and the alternator supplies 55 amps at 24 volts. The A309 boasts an operating weight of 23,369 lbs and is fitted with 9.00-20 tires for optimal traction and stability. The transmission is an oversized two-speed power shift with integrated protection and an additional creeper speed, allowing for a maximum travel speed of 12.5 mph (19 kph). The swing mechanism offers a swing speed of 9 rpm, enhancing maneuverability on site. The excavator's boom and stick configuration provides a maximum cutting height of 28.9 feet, a maximum digging depth of 13.5 feet, a maximum loading height of 21.9 feet, and a maximum reach along the ground of 27.6 feet. The shipping length of the unit is 28.4 feet. The bucket capacity ranges from a minimum of 0.2 cubic yards to a maximum of 0.4 cubic yards, with the reference bucket capacity set at 0.4 cubic yards. The fuel tank holds 56.8 gallons, supporting extended operation periods.