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Liebherr A 924 – Wheeled Excavator with D934 A7 Engine

The Liebherr A 924 is a technologically advanced wheeled excavator designed for intensive earthmoving, road construction, and infrastructure applications. This model belongs to Liebherr’s popular range of mobile machines, valued for their high structural durability, hydraulic stability, and excellent working performance under demanding operating conditions. The machine stands out for its outstanding mobility on construction sites and its ability to move quickly between work locations without requiring low-loader transport. A key component of the drivetrain system is the Liebherr D934 A7 engine, delivering approximately 105 kW of power and ensuring stable hydraulic performance as well as smooth and efficient operation of the entire machine.

The excavator offers an excellent working reach, high breakout force, and an operating weight that enables efficient performance both in urban environments and during heavier earthmoving operations.

Features of the A 924 Model

The Liebherr A 924 was designed as a versatile mid-size wheeled excavator, combining the mobility of a road machine with the productivity typically associated with heavy-duty excavators. Its robust wheeled undercarriage provides high stability during operation and allows fast travel speeds of up to approximately 35 km/h. The upper structure has been optimized for durability and easy service access, significantly reducing operating and maintenance costs.

Thanks to its wheeled chassis and compatibility with additional attachments, the excavator is suitable for:

Liebherr D934 A7 Engine – Approximately 105 kW of Power

The Liebherr D934 A7 power unit was developed for heavy-duty applications requiring high reliability and stable torque characteristics. This four-cylinder diesel engine is known for its smooth operation and strong resistance to long-term loads typical of construction machinery operating in multi-shift systems.

The engine works together with Liebherr’s efficient hydraulic system, providing fast response times and high control precision. Thanks to its high torque output, the D934 A7 maintains stable operating parameters even while simultaneously handling multiple hydraulic functions.

The key parameters of the power unit allow efficient operation of systems responsible for:

Main Specifications of the D934 A7 Engine

Parameter Value
Engine Model Liebherr D934 A7
Power Output approximately 105 kW
Horsepower approximately 143 HP
Torque approximately 650–700 Nm
Rated Speed approximately 1800 rpm
Fuel Type Diesel fuel

Performance and Working Capabilities

The Liebherr A 924 stands out for its excellent operating dynamics and highly precise hydraulic control. The manufacturer implemented an advanced hydraulic oil flow management system, enabling the operator to perform several working movements simultaneously without losing operational smoothness. This is particularly important during tasks requiring high precision, such as utility installations and urban construction work.

The machine performs exceptionally well under heavy loads thanks to its efficient hydraulic pumps and the optimized characteristics of the D934 A7 engine. Liebherr’s A-series has long been regarded as one of the most durable and economical ranges in the mid-size wheeled excavator segment, offering low fuel consumption and high resistance of hydraulic components to intensive use.

Technical Specifications of the Liebherr A 924

Parameter Value
Bucket Capacity approximately 0.6–1.2 m³
Maximum Digging Depth approximately 5.8–6.2 m
Operating Weight approximately 22–24 t
Drive / Undercarriage 4x4 wheeled chassis
Main / Chassis Engine Liebherr D934 A7
Main Engine Power approximately 105 kW
Auxiliary / Upper Structure Engine Not applicable
Upper Structure Engine Power Not applicable
Maximum Travel Speed approximately 35 km/h

Applications of the Wheeled Excavator

The Liebherr A 924 is widely used in the road construction, municipal, and infrastructure sectors. Thanks to its mobile undercarriage, the machine can move quickly between work locations without the need for additional transportation arrangements. This significantly increases the efficiency of companies operating across dispersed construction sites.

The machine’s design allows cooperation with a wide range of hydraulic attachments, increasing its versatility and enabling the configuration to be adapted to current project requirements.

The machine is most commonly used for:

Summary

The Liebherr A 924 equipped with the Liebherr D934 A7 engine is an efficient and versatile wheeled excavator designed for professional construction and infrastructure applications. The combination of a mobile chassis, advanced hydraulics, and a reliable power unit ensures high productivity even during intensive operation. Thanks to its durable construction and excellent working parameters, this model remains one of the most respected machines in the modern wheeled excavator segment.