CE-approved Hitachi ZX240 /ZX270 20meters long reach boom

 100% New CE-approved Hitachi ZX240 /ZX270 20meters long reach boom

Excavator long reach boom and arm

1.Applicable for all the make and model of excavator.

2.Standard supply include:bucket,linkage,bucket cylinder, 4oil pipe/hose,6pins,lubricating system

3.Many different material such as Q345B,Q690D,Weldox are optional to suit to your application.

4.Big boom can be two jointed pcs to make it fittable into container to save shipping cost.

5.All the seam are 45 degree tapered before welding.

6.Six month warranty

7.Some parts can be consolidated  using thicker plate or overlapping another plate  for heavy-duty application.

8.Boom cylinder and arm cylinder can also be supplied if customer want.

9.Extra pipeline can be added to suit to some extra application.

10.Biggest long boom we have done is 32m long boom for Hitachi EX3500.

 1.material :Q345B and Q690D:

The top and bottom use Q690D steel,Other use Q340B steel.

2.wilding : Welded with mixed gas between argon and carbon dioxide. Argon content:80%.

                 Carbon dioxide content:20%

3.bushing: we use copper bushing with graphite.

4.To adopt milling machines to prepare strip edges and groove to give good

   condition for forming and welding.