Chetra-TG 122

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Chetra TG 122 Base

Variants

Specifications of Chetra TG 122 Base

Engine

  • Cylinder bore and piston stroke 120 mm x136.4 mm
  • Displacement 6.7 L
  • Engine Model Cummins Make, Model: QSB6.7-C165, six cylinder in-line, four stroke, turbocharged, air-to-air after cooled engine
  • Engine power,kW (h.p.) 110 (150)@ 2000 rpm
  • Lifting capacity, kg 26500
  • Max. Torque 800 Nm at 1300...1 500 rpm
  • Model TG 122
  • Operating weight, kg 24500

Transmission

  • Forward 1 3.7
  • Forward 2 6.7
  • Forward 3 10.8
  • Reverse 1 4.9
  • Reverse 2 8.8
  • Reverse 3 13.9

Undercarriage

  • Ground Contact Area 3,385 Sq.M
  • Ground Pressure 0,66 kgf/cm²
  • Grouser Height 65 mm.
  • Number of Shoes (each side) 43.
  • Shoe width 560 mm.
  • Suspension rigid, with a transverse beam. Track rollers, support rollers and idlers feature life-time lubrication and self-adjusting "duo-cone" type seals.

Final Drives

  • FINAL DRIVES Final drive is double-stage: the 1st stage consists of outside diameter gears; the 2d stage is planetary with "k+1" scheme (with a stopped crown gear).

Pipelaying Equipment

  • Boom The welded, box-sectioned boom is triggered through sheave block system by the inch. Boom length-7 m. Boom weight-1,150 kg.
  • Counterweights Segmented 4-plate type of 423 kg each mounted on the counterweight frame. Hydraulically controlled by NSh-100 pump, section of the general distributor and 100 mm diameter hydraulic cylinder.
  • Hook The hook is triggered through sheave block system by the winch. Hook lift (overhang) -1.5-1.6 m. Hook raise/lower speeds at 2,000 rpm, 8 -21 m/min
  • Load lifting capacity 12 500 kg. Rated lifting capacity - 26 500 kg. Is designed to lay pipes into trenches and to perform other handling operations. Sheave blocks ratio: loading-4, boom-4
  • Winch Hydraulically controlled, double drum winch. Closed type disk brakes.
  • Winch overall dimensions Drum (diameter x width), mm - 325 x 255. Cable dimensions (diameter x length): hook-16 mm x46 M, boom-16 mmx46 m

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