CHETRA LLC is the Russian company that exclusively sells industrial machinery and spare parts under the brand CHETRA manufactured by Promtractor plants
This is the most popular CHETRA pipelayer for laying pipes into trenches, escorting pipe-swabbing machines and isolation machines, and handling of unit loads. Sufficient track gauge and length of the track bearing surface combined with easily adjusted counterweights ensure better stability and improved safety of the machine.
Engine: YaMZ-236NB-2 / Cummins QSB6,7
Power: 121.3 kW (165 h.p.)
Weight: 26,305 kg
Lifting capacity: 12 t (arm outreach 2.5 m), 26.5 t (arm outreach 1.22 m)
Boom lengths: 7 m, 9 m
Technical specifications are given for reference, please address to the employee of the company for their specifications
Model | TG-122Ya |
TG-122? |
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Type | Full-tracked | |||
Engine, model | YaMZ-236NB-2 |
Cummins QSB6.7 |
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Rated power, kW (h.p.) |
121,3 (165) |
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Operating power, kW (h.p.) | 110 (150) | |||
Engine capacity, l | 11,15 |
6,7 |
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Specific fuel consumption at operating power, g/kWh (g/HP-hr), not more | 230 (169) | |||
Transmission, type | Hydromechanical | |||
Tractor idle speed, km/h, in forward/backward gear | ||||
I transmission |
3,7 / 4,9 |
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II transmission |
6,7 / 8,8 |
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III transmission | 10,7 / 13,5 | |||
Undercarriage | The undercarriage consists of two tracked bogies with rigid suspension | |||
Number of track?rollers (on each side) | 8 | |||
Number of support rollers (on each side) | 2 | |||
Tracks | aggregated, with a single grouser | |||
Grouser height, mm | 65 | |||
Shoe width, mm | 560 | |||
Clearance, mm, no less | 509 | |||
Tractor wheeltrack, mm, no less | 2 150 | |||
Base, mm | 3 022 | |||
Bearing area, sq.m | 3,38 | |||
Ground pressure, kgf/sq. cm, not more | 0,683 | |||
Fuel tank, l | 280 | |||
Lifting capacity with counterweight extended, t (at boom 1.22m/2.5m) | 26,5 / 12 | |||
Boom | ||||
Type | of box-like section, A-shaped | |||
Length, m | 7 / 9 | |||
Weight, kg | 1 150 / 1 430 | |||
Winch | ||||
Gear type |
two-stage planetary gear system |
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Hook lifting (lowering) speed, m/min | 21 | |||
Winch rope length, mm | 16 | |||
Winch (load/boom) rope length , m: | ||||
standard boom (7 m) |
46 / 46 |
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Long boom (9 m) | 56 / 56 | |||
Overall dimensions of the pipe layer with a counterweight and a maximally raised boom, not more, mm: | ||||
Length, mm |
5 255 |
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Width, mm | 5 020 | |||
height (boom 7/9 m), mm | 7 850 / 9 850 | |||
Operational weight, not more, t |
26,3 |