Excavator shorten boom and arm shorten heavy duty excavator rock boom and arm tunnel arm for excavator
Here is our catalog: 2024 Zhonghe Machinery--Product Catalog.pdf
Brief introduction of excavator shorten arm shorten boom: excavator short arm short boom is commonly seen in digging hard sand hard soil, digging in narrow places like basement, tunnel.
* The excavator tunnel arm is shorter than standard arm standard boom which can carry bigger bucket and bigger breaker. The boom and arm are both thickened, the cylinder is enlarged also. So, the power of excavator tunnel arm, shorten arm shorten boom is enlarged.
Specification of one set of excavator shorten arm shorten boom includes:
One big boom, one small arm, one stick cylinder, one bucket cylinder, 6 pins, one set of breaker pipeline, high-pressure hoses, valves 2 pcs, and other excavator accessories
| Excavator Model ( ton) | Plate Thickness (mm) | Weight (kgs) |
| 6-8 ton | 10mm | 590kgs 380kgs |
| 10-15 ton | 14mm | 1130kgs 900kgs |
| 20-24 ton | 16mm | 1300kgs 1050kgs |
| 30-36 ton | 25mm | 2900kgs 2600kgs |
| 45-50 ton | 30mm | 3200kgs 3000kgs |
We will produce one set of tunnel arm for excavator according to excavator model.
Production Process:
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