... Brand Construction Machines:Major Configuration: Cummins Enginee, Hydrualic Pump: Linde, Bosch, Sauer-Fanfoss1,The water-cooled ? ... double-frequency and double amplitude,imported variable piston pump and imported motor.3,Rear wheel drive, ... at any moment. Specifications DescriptionSpecificationsUnitOperating Weight20000KgWeight at Drum10000KgStatic Linear Load470N/cmSpeed Range I Speed2.63Km/hII Speed5 ...