Model NO.: SY305/SY335/SY365/SY485
Arm Length: 10000mm
Max Dig Depth: 16500mm
Max. Extensive Scope: 21500mm
Max. Dig Height: 18500mm
Folding Height: 3400mm
Suit Excavator Tonnage: 35ton Ecavator
Warranty: 12months
Trademark: GD-Haide
Transport Package: Bubble Film
Specification: CE, SGS, ISO9001: 2000
Origin: Dongguan City, Guangdong Province
HS Code: 843149
22Meters KOMATSU PC350/PC400/PC450 Excavator Long Reach Boom  for sale Â
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 |
(3)Features:
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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