20m Long Reach Excavator Booms , Excavator Long Arm CAT336

• For all the long reach boom we produced,include lubricant pipe system, hydraulic system, 1 bucket, 1 bucket cylinder, 1 linkage, all pins,all hoses,etc
• The Stick cylinder of the long boom, can use the original stick cylinder to save the cost, if you need the stick cylinder, we also can prepare for you.
• This CAT336 excavator long reach boom,the stick cylinder use the original stick cylinder
• The main material of this long boom is Q345B + Q690D, the top and bottom cover plate use Q690D, other plate use Q345B. Weldox also optional to suit to your application. Pin’s material is 42CrMo4.
• Before welding,we have use big bevelling machine bevel the edge of the sheet.So the welding can go to the internal of the steel-sheet and make the structure have higher performance.
• If necessary, extra pipeline can be added as customer requirements For this Cat pillar 336 20 meter long reach boom,we do not prepare extra auxiliary pipe as customer requirements

• Our welding was by maual. Welding is protective-gas welding, the protective gas is 80% Argon and 20% CO2 mixed. This is golden standard for protective gas.
• For all base,joint and other main structure of the long boom, we use boring machine adjust the precision after welding, to avoid the welding-stress leading to big tolerance.
• We will also supply parts list for the long reach boom, so it’s easy for Maintenance and after-sales service.
• We can supply detailed dimension drawing for confirmation before order.
• For this CAT336 excavator long reach boom,we add 4000kg extra counter weight.The extra counter weight is middle design.

excavator boom extension

long reach attachments

20m CAT336 Excavator Long Arm

20m Long Reach Excavator Booms , Excavator Long Arm CAT336 Images