Efficiency+ crawler cranes, piling and drilling rigs

Efficiency-enhancing engine features

The newest Liebherr drive and control systems offer several optional features that help to reduce fuel consumption and maximize the reliability and productivity of crawler cranes, duty cycle crawler cranes as well as piling and drilling rigs.

Downsizing of the engine

Thanks to the machine’s optimized hydraulic system, the size of the primary source can be reduced without negative effects on the turnover. The efficiency is thus significantly increased while the fuel consumption is decreased.

Engines of the latest generation

All diesel engines complying with Stage IV/TIER 4f have a limited maximum speed of 1,700 rpm. This contributes to fuel savings of approximately 5% compared to previous engines.

Eco-Silent Mode

With the help of this feature the engine speed is reduced to a predefined, required level. Hence, a notable reduction in diesel consumption can be achieved without any impact on operational output. As a further benefit noise is also reduced by the Eco-Silent Mode.

Lowering speed of engine while idling

Deep foundation rigs and duty cycle crawler cranes are in idling mode for 45% of their operating time. This figure lies at even 60% for crawler cranes. With the lowering of the engine speed from 950 rpm to 750 rpm while the machine is in idling mode, up to two litres of fuel per hour can be saved.

Automatic engine stop control

The engine switches off automatically during longer work interruptions after having checked certain system functions including the actual charge level of the battery, the operating temperature of the engine as well as the control that all machine functions are deactivated. This saves fuel and reduces emissions. At the same time the machine has fewer operating hours, thus increasing its residual value, extending both its warranty and the maintenance intervals.

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Video - Liebherr diesel engines

Liebherr diesel engines are characterized by their high specific power.

Efficiency+ Fuel savings calculator

Save fuel with Liebherr construction machinery

By entering your own empirical values, users can also calculate the personal savings potential. Calculate

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