good quality China manufacturered 4 wheel drive wheel excavator with breaker hammer

65W-8 four wheel drive excavator is the eighth generation of wheel –drive excavator series .The servo operation function is added to 65W-7 model excavator to improve the operation stability of the whole machine based on 65w-8 four wheel drive excavator .The new hydraulic system can accurately realize drivers’ operation intention and can realize stable feeling and powerful digging force which drivers long for .Its biggest characteristic is non-hydraulic interference .It will not be affected by loading even if it is operating over two work devices at the same time .It will allocate all pump delivery to all of work devices to make the relative speed of work devices keep unchanged and make controlling performance and operability improved as per operating quantity of all of operating levers .Moreover the installation of other accessories is also very convenient .