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Excavator long reach boom and arm
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(1)Specifications and Standard Supply:
| Long boom | One unit | Long arm | One unit |
| Bucket cylinder | One unit | Standard bucket | One unit |
| pins | 8 units | "H"Â linkage | One set |
| High pressure hoses | 4 units | Steel tube | 4 units |
| Boom cylinder | Use original cylinders | Arm cylinder | Use original cylinder |
(2)Working Dimension:
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| Â | Model | LDB120 | LDB200 | LDB220 | LDB200 | LDB300 | LDB350 | LDB400 | LDB450 |
| Â |
Total length (mm) |
13000 | 15380 | 15380 | 18000 | 18000 | 20000 | 22000 | 24000 |
| Â |
Weight (kg) |
3000 | 4000 | 4200 | 4900 | 5200 | 6000 | 6500 | 7000 |
| B |
Max dig depth (mm) |
9000 | 11340 | 11370 | 13000 | 13000 | 15000 | 16500 | 18000 |
| A |
Max extensive Scope (mm) |
12500 | 15100 | 15100 | 17500 | 17600 | 19600 | 21600 | 23600 |
| C |
Max dig height (mm) |
11300 | 12510 | 12610 | 13720 | 13720 | 14920 | 16100 | 17300 |
| D |
Folding height (mm) |
2900 | 2980 | 3040 | 3210 | 3210 | 3210 | 3400 | 3400 |
| Â |
Bucket volume (m3) |
0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.6 | 0.6 |
| Â |
Excavator Tonnage(ton) |
10-16 | 20-22 | 22-25 | 20-25 | 30 | 35 | 40 | 45 |
1.Material :
A.)All Q345B Steel for standard long reach boom.
B.)Heavy duty long reach and excavator tonnage above 40ton :The top and bottom use Q690D steel,Other use Q340B steel.
Q345B steel same as S355 steel in Europe.
Q690D steel same as S690QL steel in Europe.
2.Internal view(spaced by vertical and horizontal reinforcement plate at regular interval)
  
3.All steel plate are beveled by beveling machine before welding.
4.Welding:
  A.) Welded with mixed gas between argon and carbon dioxide. Argon content:80%.Carbon dioxide content:20%.
 B.) Welded by auto-welding machine .
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