Chetra TG 122 Base

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