Product Description
Manufacturer for Hitachi ZX500/ZX600/ZX670/ZX800 21meters long 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.
Model | LDB120 | LDB200 | LDB220 | LDB300 | LDB350 | LDB400 | LDB450 |
Total length (mm) | 13000 | 15380 | 15380 | 18000 | 20000 | 22000 | 24000 |
Weight (kg) | 3000 | 4000 | 4200 | 5200 | 6000 | 6500 | 7000 |
Max dig depth (mm) | 9000 | 11340 | 11370 | 13000 | 15000 | 16500 | 18000 |
Max extensive Scope (mm) | 12500 | 15100 | 15100 | 17600 | 19600 | 21600 | 23600 |
Max dig height (mm) | 11300 | 12510 | 12610 | 13720 | 14920 | 16100 | 17300 |
Folding height (mm) | 2900 | 2980 | 3040 | 3210 | 3210 | 3400 | 3400 |
Bucket volume (m3) | 0.3 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.6 |
Excavator Tonnage(ton) | 12 | 20 | 22 | 30 | 35 | 40 | 45 |
production processes
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.
