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Drive unit air conditioning with additional hydraulik pump

Function / Task

Maintenance of the on-board voltage, air conditioning of the cabin and preheating of the hydraulik oil tank when the main engine of crawler cranes is switched off. 


A diesel engine enables the unit to operate independently. The drive unit which can be lifted by crane and moved by fork lift is attached to the superstructure of crawler cranes.

Technical data

Engine speed   3200 rpm
Motor power 10.2 kW
Pump capacity  24 l/min at 3200 rpm


Liebherr Werk Ehingen, Germany 

Ident-No.  5070449
Month/Year  11/2021

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