Excavator rock breaker RT 55

hydraulic

Overview
RT 55 is a compact hydraulic demolition hammer designed for confined-space demolition and renovation tasks. Optimised for skid steers and mini excavators, the RT 55 combines a compact footprint and easy handling to operate effectively on light carriers while delivering consistent impact energy.

Applications

• Concrete and masonry demolition in restricted areas
• Road maintenance and small-scale civil works
• Foundation work, trenching and utilities repair
• Renovation work where maneuverability is required

USA SPECS
Carrier weight: 2 – 4 t
Breaker weight: 419 lb
Inner diam. IN hose: 1/2 inch
Inner diam. OUT hose: 5/8 inch
Chisel diameter: 2.2 inch
Height with standard tool: 45.3 inch
Required oil supply: 7.92 – 13.21 gal/min
Oil pressure adjusted to the hammer: 1305 – 1740 psi
Maximum back pressure: 362 psi
Blows per minute: 600 – 1200
Energy per blow: 265 ft·lbs (360 J)

METRIC SYSTEM
Carrier weight: 2 – 4 t
Breaker weight: 190 kg
Inner diam. IN hose: 12 mm
Inner diam. OUT hose: 16 mm
Chisel diameter: 55 mm
Height with standard tool: 1150 mm
Required oil supply: 30 – 50 L/min
Oil pressure adjusted to the hammer: 90 – 120 bar
Maximum back pressure: 25 bar
Blows per minute: 600 – 1200
Energy per blow: 360 J (265 ft·lbs)

Key features

• Compact dimensions for operation in narrow and limited spaces
• Designed for skid steers and mini excavators (carrier range 2–4 t)
• Quick interchangeability on mini loaders via skid steer plate (compatible with 4 other hydraulic breakers)
• Standard chisel diameter 55 mm (2.2 inch) for versatile breaking performance
• Wide operating flow and pressure range: 30–50 L/min at 90–120 bar
• Consistent blow rate: 600–1200 bpm, delivering 360 J per blow