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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Hitachi excavator telescopic arm extension, Q355B telescopic arm for excavators, 20-50 ton excavator arm extension
                              

Material:	Q355B	Material de boom:	BS900E
espesor de acero:	6 mm	Profundidad máxima:	10000-30000 mm
Longitud efectiva:	7600-25100 mm	Capacidad de cubo:	0.2-2.5cbm
Peso del excavador:	6-45 toneladas	Secciones del brazo:	3
Soluciones para la fabricación de tubos:	2	Incluidos los pines:	2
Cubo de conchas:	1	Interruptor de pie:	Bidireccional
Guía de instalación:	Video proporcionado	Tiempo de entrega:	8-30 días
Moq:	1 set

Material:	Q355B
Material de boom:	BS900E
espesor de acero:	6 mm
Profundidad máxima:	10000-30000 mm
Longitud efectiva:	7600-25100 mm
Capacidad de cubo:	0.2-2.5cbm
Peso del excavador:	6-45 toneladas
Secciones del brazo:	3
Soluciones para la fabricación de tubos:	2
Incluidos los pines:	2
Cubo de conchas:	1
Interruptor de pie:	Bidireccional
Guía de instalación:	Video proporcionado
Tiempo de entrega:	8-30 días
Moq:	1 set

Hitachi Excavator Telescopic Arm Extension Q355B for 20-50 Ton Machines

Excavator with Long Boom Telescopic Arm Extension for Hitachi Excavator (20-50 Ton)

Product Specifications

Attribute	Value
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

Product Overview

This long boom telescopic arm extension is designed for Hitachi excavators in the 20-50 ton range. The three-section telescopic boom is constructed with BS900E and Q355B steel, offering superior strength and durability while maintaining a lightweight design.

Technical Specifications

Excavator (ton)	Max Depth (mm)	Effective Length (mm)	Bucket Capacity (cbm)
6-10	10000	7600	0.2-0.3
11-15	14000	10500	0.4-0.6
20-30	16000	12500	0.8-1.5
30-35	20000	15500	1.3-1.66
40-45	25000	20500	1.8-2.5

Key Features

Constructed with high-grade Q355B steel for exceptional durability
6mm thickness construction for enhanced strength
Three-section telescopic design for optimal reach and flexibility
30% longer lifespan compared to standard materials
Precision welding at 45-degree angles for maximum structural integrity

Standard Configuration

Complete telescopic arm assembly
Two high-pressure hoses
Two mounting pins
Clamshell bucket attachment
Two-way foot switch

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 painting and shipping

Certifications

Shipping & Packaging

We ship worldwide using sea, land, or air transportation. All products are securely packaged in wooden crates or stretch film to ensure safe delivery.

Frequently Asked Questions

Are you a manufacturer?

Yes, we specialize in excavator attachments including long reach arms, demolition arms, telescopic arms, and various bucket types.

Why choose Zhonghe?

We combine high-quality materials with competitive pricing, backed by professional design and production teams to ensure product excellence.

What are your payment terms?

We prefer T/T (50/50) through Ali Credit Insurance for trial orders.

Contact Information

Contact	Details
Sales Representative	Ada
Whatsapp	+86 15322105263
Tel	0086 15322105263
E-mail	abby@excavatorboomarm.com

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Hitachi Excavator Telescopic Arm Extension Q355B for 20-50 Ton Machines