Cobra TTe: Petrol breaker – Shank size 32×160; 1 1/4×6 1/4


Features & benefits

  • New shank size 25x108mm
  • Quick set-up time
  • Easy to transport
  • HAPS™ Hand and Arm Protection System (up to 10% less vibrations than earlier models)
  • Can run on the alkylate petrol
  • Low emission
  • Low noise


In addition to tie tamping, the Cobra™ TT can be used for all kinds of maintenance work on tracks, crossings, access roads and railway stations:

  • Spiking wooden sleepers
  • Digging cable trenches
  • Breaking concrete
  • Cutting and compacting asphalt
  • Driving posts and fencing

Atlas Copco’s petrol driven breakers cover a wide range of applications like breaking concrete, cutting asphalt, tamping ballast and more. All without the need for power packs or cables. Cobra TT has been specially designed for tie tamping. It works at a relatively high frequency and the impact energy has been optimized to prevent pulverization of ballast.


Technical Specifications
Shank Size Hex 32×160
Weight 24 kg
Length 927 mm
Depth 331 mm
Width across handles 611 mm
Impact energy 40
Blow frequency 1620 bpm
Engine Type 1 cylinder, two-stroke
Cylinder Displacement 90 cc
Power 1.5 kW
Cooling System Fan cooled
Starter System Recoil starter
Fuel Type Alkylat or 90–100 octane unleaded petrol
Fuel capacity 1 l
Fuel consumption 0 – 0.8 l/h
Fuel mixture (%) 2
Oil type two-stroke oil or similar
Alkylate Yes
Vibration and Sound
Vibration level 3 axes (ISO 28927-10) 3.8 m/s²
Sound power level guaranteed (2000/14/EC) 1) 109 dB(A)
Sound pressure level (ISO 11203) Lp, r=1m 96 dB(A)