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Atlas Copco Tie Tamper

Cobra TT Petrol Drive Tie Tamper

This machine is specially developed for tie tamping. An impact energy of 40 Joule combined with a frequency of 1620 blows/min means improved efficiency and drastically reduced ballast pulverisation.

  • The Cobra TT was specially designed for tie tamping ballast but it can also be used for general breaking work.
  • It is easily moved on and off track and can be connected to a Gifas Audible Warning Device for increased operator safety.
  • Low Weight
  • Low Vibration
  • Low emission
  • Correct impacting for ballast tamping
  • Network Rail Approval Certificate No. L/11124/00/01
  • LUL Approval Certificate No. PE0071585

In addition the Cobra TT is ideal for a number of railroad applications:

  • Spiking wooden sleepers
  • Digging cable trenches
  • Concrete breaking
  • Asphalt cutting and compacting
  • Driving posts and fencing
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Technical Data

Length 927mm
Depth 331mm
Width over handles 611mm
Handles folded 390mm
Weight 24Kgs

Tool Shanks

32 x 160 mm (1 1/4″ x 6 1/4″) order no. 8318 0700 09
32 x 152 mm (1 1/4″ x 6″) order no. 8318 0700 11
28 x 160 mm (1 1/8″ x 6 1/4″) order no. 8318 0700 13
28 x 152 mm (1 1/8″ x 6″) order no. 8318 0700 15

Engine

 

Type 90 cc single cylinder, two-stroke.
Power 1.2 kw (1.63 hp) at 6.500 = 100 rpm.
Cooling System Fan cooled, two seperate systems.
Starter System Recoil starter.
Ignition System Breakerless, transistor type with built-in speed limitation.
Fuel System Diaphragm carburettor and prime pump.
Fuel Petrol, 90 – 100 octane, leaded or unleaded.
Fuel Mixture 2% oil (1:50)
Engine Oil Atlas Copco Two-Stroke Oil or a recommended two-stroke oil.
Tank Capacity 1.0.1.

Impact Unit

Impact Energy 40 J at 1620 blows/min (27 hz).
Blows/min 720 – 1620 (12 – 27 hz).
Lubrication Impact mechanism through seperate oil bath.
Impact Oil Diesel oil, 15 w / 40, API:CD
Oil Capacity 0.1.1.
Oil Consumption 0.015 l/hour.