Brand:MSBModel:MS 550HPart code:2210091101146

MSB MS 550H Hydraulic Breaker

MSB MS 550H is a professional breaker optimized for 18-25 ton excavators, combining power and durability.

High Efficiency: Produces maximum impact energy with its large piston diameter.
Super Anti Blank Firing (SABF) System: Protects the breaker against blank firing and reduces service costs.
Ergonomic Design: Offers flexible operation with a 180° Rotating Housing.

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Documents

MSB Turkish CataloguePDF MSB English CataloguePDF

Product Features and Advantages

MSB MS 550H has a wide range of use from urban construction sites to quarries. With its 1500 kg operating weight, it provides a perfect match for 20-ton class excavators. Its fully enclosed body minimizes noise level.

✅ Super Anti Blank Firing (SABF) System: Protects components exposed to wear and fatigue and reduces stress on the excavator boom.
✅ 3-Stage Cylinder Design: The internal cylinder design maintains piston alignment and prevents scoring.
✅ Underwater Application (UA): The air line inlet required for underwater use is pre-machined and ready.

✅ 180° Rotating Housing: The housing can be rotated to prevent one-sided wear and extend service life.
✅ OFC (Flow Control Valve): Protects the breaker against changes in hydraulic flow and stabilizes performance.
✅ Reinforced Mountings: Minimizes vibration between the power cell and the breaker.

Technical Specifications (MS 550H)

Feature	Unit	Values
Operating Weight	kg	1500
Tool Diameter	mm	120
Operating Pressure	bar	120 - 140
Oil Flow	l/min	110 - 150
Impact Rate	bpm	400 - 500
Line Relief Pressure	bar	170 - 190
Accumulator Pressure	bar	40
Hose (Inlet / Return)	mm	25 / 25
Suitable Carrier (Excavator)	ton	18 - 25

HYDRAULIC BREAKER SET CONTENT / INCLUDED IN THE SET

Hydraulic Breaker Machine
Mounting Bracket
Breaker Tools (1 Chisel, 1 Moil Point)

Hydraulic Connection Hoses
Carrier Connection Pins
Tool Box

MS 550H Superior Features

Feature	Status
Oil Flow Control (OFC) Valve	✔ Available (Standard)
Super Anti Blank Firing (SABF) System	🟠 Optional
Underwater Application (UA)	✔ Available (Standard)
180° Rotating Housing	✔ Available (Standard)
Soundproof Housing Application (SHA)	✔ Available (Standard)
Manual Autogrease System I (Powercell)	✔ Available (Standard)
Autogrease System II (Side Mounted Refiller)	🟠 Optional
Dust Protector (Wiper Seal)	🟠 Optional
Replaceable Inner Bushing Sleeve (RIBS)	🟠 Optional
Easy Pass Valve (Oil Traffic Control)	✔ Available (Standard)

MSB Medium Breakers - Technical Specifications

Technical Specifications	Unit	MS 520H	MS 550H	MS 600H	MS 700H
Operating Weight	kg	1200	1500	1734	2250
Tool Diameter	mm	110	120	130	140
Operating Pressure	bar	120-140	120-140	120-140	130-150
Oil Flow	l/min	80-100	110-150	130-150	170-200
Impact Rate	bpm	400-500	400-500	400-500	400-500
Line Relief Pressure	bar	170-190	170-190	170-190	180-200
Accumulator Pressure	bar	40	40	40	40
Hose (Inlet)	mm	19	25	25	25
Hose (Outlet)	mm	25	25	25	32
Carrier Weight	ton	14-18	18-25	22-28	25-31

Product Information

Weight (kg): 1500
Warranty: 🛡️ 1-Year Warranty Assurance This product is covered by a 1-year warranty against material and assembly defects. Note: Consumables and wear parts that require regular replacement during operational use are not included in the warranty coverage. For any questions and detailed information about the warranty procedure, you can contact our expert team at info@hkm.com.tr.
Delivery Information: Delivery time is 7 business days. You can contact info@hkm.com.tr for detailed information.