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SB81 Silent Box Type 140mm Chisel Hydraulic Rock Breaker Hammer for 18-26 Ton Excavator

Name: SB81 Silent Box Type 140mm Chisel Hydraulic Rock Breaker Hammer for 18-26 Ton Excavator
Brand: Yantai Dopro Industry Technology Co., Ltd.
SKU: SB81
Price: 14.00 USD
Availability: InStock

Product Details

Place of Origin: Shandong, China

Brand Name: DOPRO

Certification: ISO 9001:2015, CE

Model Number: SB81

Payment & Shipping Terms

Minimum Order Quantity: 1 Set

Price: USD 12,000-16,000 / Set

Packaging Details: Export-grade plywood case with anti-rust coating and shock-proof foam

Delivery Time: 15-25 working days

Payment Terms: T/T, L/C, Western Union

Supply Ability: 150 Sets per Month

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Product Details

Product Description

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                                                                                                                                                                                                                                                                                                                                                SB81 silent hydraulic rock breaker, 140mm chisel excavator hammer, 18-26 ton excavator rock breaker
                              

Impact Energy:	4,067 J	BPM:	350-500
Chisel Diameter:	140 Mm	Working Pressure:	160-180 Bar
Oil Flow:	130-180 L/min	Operating Weight:	1,978 Kg
Suitable Excavator:	18-26 Ton	Mounting Type:	Box Type (Silent)
Noise Level:	109 DB

Impact Energy:	4,067 J
BPM:	350-500
Chisel Diameter:	140 Mm
Working Pressure:	160-180 Bar
Oil Flow:	130-180 L/min
Operating Weight:	1,978 Kg
Suitable Excavator:	18-26 Ton
Mounting Type:	Box Type (Silent)
Noise Level:	109 DB

SB81 Silent Box Type 140mm Chisel Hydraulic Rock Breaker Hammer for 18-26 Ton Excavator

SB81 Silent Box Type Hydraulic Rock Breaker

The SB81 Silent Box Type Hydraulic Breaker combines powerful breaking performance with advanced noise reduction technology. Designed for 18-26 ton excavators, this breaker delivers 4,067 Joules of impact energy while maintaining a noise level as low as 109 dB, making it suitable for urban construction and noise-sensitive environments.

Key Specifications

Impact Energy	4,067 J
Blows Per Minute	350-500 BPM
Chisel Diameter	140 mm
Working Pressure	160-180 Bar
Oil Flow	130-180 L/min
Operating Weight	1,978 kg
Suitable Excavator	18-26 Ton
Mounting Type	Box Type (Silent)
Noise Level	109 dB

Silent Box Technology

The fully enclosed noise-cancelling casing wraps the entire breaker body, significantly reducing noise pollution. This meets strict environmental standards for residential renovations, municipal engineering, and indoor demolition projects where noise regulations apply.

Durable Construction

Main body forged from high-grade alloy steel with heat treatment. Precision-honed piston ensures smooth reciprocating motion. Nitrogen gas-charged accumulator dampens hydraulic pressure spikes. Side mounting bracket with reinforced pin design provides secure attachment to excavator arm.

Complete Spare Parts Support

Full range of replacement parts available including seal kits, pistons, inner/outer bushes, chisels, front covers, and diaphragm accumulators. Compatible with Soosan SB81 standard specifications.

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