Excavator rock breaker RT 78

hydraulic

Description
The RT 78 hydraulic demolition hammer is designed for indoor and outdoor demolition tasks on small concrete structures and asphalt pavements, for channelling and for slag removal in foundries. It is suited to frequent use on compact carriers and delivers a balance of impact energy and rate for precise, controlled breaking. Compatible with hydraulic circuits of mini and midi excavators as well as backhoes and mini loaders (with skid steer plate).

Mounting and compatible carriers

• Backhoe
• Mini excavator
• Midi excavator
• Mini loader (using skid steer plate; allows switching between multiple hydraulic breakers)

Specifications (USA)
Carrier weight: 6 – 10 t
Breaker weight: 838 lb
Inner diam. IN hose: 1/2 inch
Inner diam. OUT hose: 3/4 inch
Chisel diameter: 3.1 inch
Height with standard tool: 51.2 inch
Required oil supply: 15.85 – 25 gal/min
Oil pressure adjusted to the hammer: 1015 – 1885 psi
Maximum back pressure: 362 psi
Blows per minute: 600 – 800
Energy per blow: 600 ft/lbs

Specifications (Metric)
Carrier weight: 6 – 10 t
Breaker weight: 380 kg
Inner diam. IN hose: 12 mm
Inner diam. OUT hose: 19 mm
Chisel diameter: 78 mm
Height with standard tool: 1300 mm
Required oil supply: 60 – 95 L/min
Oil pressure adjusted to the hammer: 70 – 130 bar
Maximum back pressure: 25 bar
Blows per minute: 600 – 800
Energy per blow: 800 J

Technical characteristics

• Model: RT 78
• Type: Hydraulic demolition hammer / breaker
• Applications: indoor and outdoor works; demolition of small concrete structures and asphalt pavings; channelling; removal of slags in foundries
• Compatible carriers: backhoe, mini excavator, midi excavator, mini loader (with skid steer plate)
• Carrier weight range: 6 – 10 t
• Breaker weight: 838 lb (380 kg)
• Hydraulic flow requirement: 15.85 – 25 gal/min (60 – 95 L/min)
• Operating pressure: 1015 – 1885 psi (70 – 130 bar)
• Maximum back pressure: 362 psi (25 bar)
• Blows per minute: 600 – 800
• Impact energy: 600 ft/lbs (800 J)
• Chisel diameter: 3.1 inch (78 mm)