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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Excavator telescopic dipper boom, PC300 clamshell bucket, PC400 excavator boom
                              

Material:	Q355B	Área del taller:	14000㎡
Producción anual:	600 sets	Tiempo de expansión:	10 segundos
Diámetro de la cuerda principal:	30 mm	Diámetro de la cuerda:	20 mm
Material predeterminado:	LG700	material opcional:	LG900
Reducción de peso:	10%	Bloque de deslizamiento:	Reemplazable
Relleno de grasa:	Lubricación centralizada	Diseño de tubería de aceite:	Incorporado
Brazo interior:	Diseño de doble manga	Placa de acero:	Biselados
Experiencia de soldadura:	5 años

Material:	Q355B
Área del taller:	14000㎡
Producción anual:	600 sets
Tiempo de expansión:	10 segundos
Diámetro de la cuerda principal:	30 mm
Diámetro de la cuerda:	20 mm
Material predeterminado:	LG700
material opcional:	LG900
Reducción de peso:	10%
Bloque de deslizamiento:	Reemplazable
Relleno de grasa:	Lubricación centralizada
Diseño de tubería de aceite:	Incorporado
Brazo interior:	Diseño de doble manga
Placa de acero:	Biselados
Experiencia de soldadura:	5 años

Excavator Telescopic Dipper Boom with Clamshell Bucket for PC300 PC400

Factory Direct Excavator Long Reach Telescopic Dipper Boom With Clamshell Bucket Extension Arm for PC300 PC330 PC350 PC380 PC400

Product Specifications

Video Outgoing-Inspection	Provided
Warranty	1 Year
Application	Excavator
Material	Q355B
Quality	High Guarantee
MOQ	1 Set
Condition	Genuine Brand-new
Delivery Time	8-30 days
Applicable Industries	Building Material Shops, Machinery Repair Shops, Construction Works, Energy & Mining

Product Overview

Manufacturing Capabilities

14,000㎡ Workshop: Our steel structure standard workshops are equipped with high precision processing equipment.

R&D Team: We use precision drawing software to maximize working range while ensuring safe operation.

Experienced Workforce: Over 60 skilled staff including 30 welding specialists with 5+ years experience.

Customization Options

Compatible with all major excavator brands
Custom colors, lengths, and materials available
Additional pipelines can be added for specialized applications

Quality Assurance

Our triple quality control system ensures every product meets the highest standards:

Technical design drawing review
Semi-finished product inspection at each production stage
Comprehensive finished product testing before shipping

Advanced Manufacturing Equipment

Product Features

Strong Construction: Built-in reinforcing ribs with professional welding techniques
Low Maintenance: High-quality materials including LG700/LG900 steel, precision pipelines
Anti-Leak Design: Embedded oil pipes and double sleeve inner arm prevent leaks
Fuel Efficient: 10-second expansion time with optional lightweight LG900 material

Telescopic Arm Features

External pulley separates hoses from ropes to prevent friction
Quick-replace sliding blocks
Centralized lubrication via grease filling holes
Upgraded 30mm main ropes and 20mm vice-rope for smooth operation
Compatible with various buckets and grabbers

Company Advantages

Professional engineering team
Rigorous quality control processes
Competitive pricing
CE certified products
Patented technologies
Extensive production experience

Product Applications

Packaging & Shipping

Bubble bag packaging for most products, wooden cases for smaller items. Boom arms are shipped with iron frame support.

Frequently Asked Questions

How do I place an order?

Contact our sales team with your machine model, working conditions, and special requirements. We'll provide a proposal and quotation within 24 hours.

Do you deliver on time?

We maintain strict production schedules with an annual output of 600+ boom arms. While shipping delays can occur, we minimize lead times to accommodate potential delays.

What's the difference between normal and forestry telescopic arms?

Forestry arms are lighter for tree collection on 12-15 ton excavators, while standard arms are heavier for material handling on 6-50 ton machines.

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Excavator Telescopic Dipper Boom with Clamshell Bucket for PC300 PC400