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MTB 155 TN-M

> Tunnel Breakers

We designed a special piston for tunnel operations for MTB “5” serie breaker models. The most important reason for their demand in tunnel operations is their superior impact power, continuous impact ability in scanning operations and their ability to work in steep angles. The lifetime of the piston is prolonged by %60 thanks to  their automatic greasing system and special seal design. They block the dust and debris from entering the system with their special greasing system and their wiper seal in the lower bushing for tunnel operations. This way, tunnel breaker series has earned a place between the top selling breakers. To be used in the Tunnel Series we produce 6 different models with 2 chassis designs between 900-1575kg  for the excavators in the range of 10-26 tonnes.

MTB 155 TN breakers which are produced to be used in the tunnel breaker series are produced as 1575 kg for the excavators in the range of 18-26 tonnes.




MTB 155 TN-M Tunnel Breakers
Operating Weight (a) kg 1654
lb 3646
Oil Flow l/min 100 - 180
gal/min 26,4 - 47,6
Impact Rate (b) bpm 360-650
Operating Pressure (c) bar 135
psi 2000
Tool Diameter mm 125
inch 4,92
Noise Level (e) LWA (dB) 130
Carrier Weight (f) t 18 - 26
lb 39680 - 55115
(a) Approximately includes breaker, bracket, standard tip and hose weights; total weight may vary depending on the brand and model of the work machines.
(b) Actual impact frequency depends on the oil flow, oil viscosity, temperature and the material to be broken.
(c) Actual pressure depends on the oil flow, oil viscosity, temperature, material to be broken and the return pressure.
(d) Input power directly effects fuel consumption. Low input power (kW) requirement means low fuel consumption.
(e) Guaranteed sound power testing results according to directive 2000/14/EC
(Guaranteed dB(A)=Measured Value +3 dB).
(f) If the carrier machine is out of the optimum range, ask the carrier machine manufacturer for allowed attachment weight.
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