... systemSwing Speed11rpmTravel Speed28km/hDimensionsMechanical driveTwo wheels driveDual wheel pumps, imported swing valve complement, Pilot-operated reducing ... hydraulic rock breaker line.Four wheels driveDual wheel pumps, imported swing valve complement, Pilot-operated reducing ... breaker line.Hydraulic drive,4WDBHL70A-6Loader’s bridge,two pumpsBHL70A-8Loader’s bridge,two pumps,with hydraulic rock ...