Sangdo Breaker SD400 | 2.9 ton

Description

Sangdo Breaker SD400 | 2.9 ton

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The Sangdo SD400 is a heavy-duty hydraulic breaker designed for large-scale demolition, quarrying, and excavation projects.
It is typically categorized under Sangdo’s HB (Heavy-duty Range) series.

The specifications vary slightly between the Open Type (Standard) and the Silenced Type (Box/S), which features a protective housing to reduce noise and vibration.

Technical Specifications

Feature SD400 (Open Type) / SD400S (Silenced Type);
Operating Weight 2,960 kg / 3,020 kg.

Overall Length 3,265 mm / 3,306 mm.
Operating Pressure 160 – 180 bar / 160 – 180 bar.

Required Oil Flow 190 – 250 l/min / 190 – 250 l/min.
Impact Rate 250 – 500 bpm / 250 – 500 bpm.

Tool (Chisel) Diameter 160 mm / 160 mm.
Hose Diameter 1 1/4 inch / 1 1/4 inch.

Applicable Carrier 30 – 42 ton / 30 – 42 ton.
Ekspor ke Spreadsheet.

Key Features

Carrier Compatibility: Ideally suited for 30 to 42-ton excavators (e.g., Cat 336, Komatsu PC300/PC400, Doosan DX350).
High Impact Energy: Designed for primary rock breaking and heavy reinforced concrete demolition.

Design Options: * SD400 (Open/Top): Better for heat dissipation and easier maintenance access.
SD400S (Silenced): Best for urban environments or projects with strict noise regulations.
Auto-Lubrication (Optional): Many units in this range support an automatic greasing system to extend the life of the bush and tool.

Maintenance Tips

Nitrogen Gas: Regularly check the N2​ gas pressure in the back-head to maintain consistent impact power.

Would you like me to help you find the recommended Nitrogen (N2) pressure settings or a list of compatible excavator models for this breaker?