CHETRA LLC is the Russian company that exclusively sells industrial machinery and spare parts under the brand CHETRA manufactured by Promtractor plants
Industrial-grade bulldozer offering perfect balance of power, traction and blade design for maximum efficiency in demanding applications. Used in mining, energy, geological exploration, forestry and construction sectors. Features three-point semi-rigid suspension with remote bogie trunnion for superior performance. Technical specifications are for reference - contact company representatives for exact specifications.
Key highlights for this industrial model:
| Model | Т-20.02Ya | Т-20.02К | Т-20.02YaМ | Т-20.02КМ |
|---|---|---|---|---|
| Type | Full-tracked | |||
| Drawbar category | 20 | |||
| Engine, model | YaMZ-238DE2-28 | Cummins QSM11 |
YaMZ-238DE2-28 |
Cummins QSM11 |
| Rated power, kW (h.p.) | 243 (330) | 246 (335) |
243 (330) |
246 (335) |
| Operating power, kW (h.p.) |
228 (310) |
|||
| Engine capacity, l | 14,86 | 11 |
14,86 |
11 |
| 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 | 3,8 / 5,0 | 3,8 / 5,0 |
3,5 / 4,7 |
3,5 / 4,7 |
| II transmission | 6,8 / 8,7 | 6,8 / 8,7 |
6,4 / 8,4 |
6,4 / 8,4 |
| III transmission | 10,9 / 13,7 |
10,9 / 13,7 |
10,3 / 13,2 |
10,3 / 13,2 |
| Undercarriage | Three-point semirigid suspension with remote bogie trunnion | |||
| Number of track rollers (on each side) | 7 | 7 | 8 | 8 |
| Number of support rollers (on each side) | 2 | |||
| Tracks | aggregated, with a single grouser | |||
| Grouser height, mm | 80 | |||
| Shoe width, mm | 560 | 560 | 710 | 710 |
| Clearance, mm, no less | 530 | |||
| Tractor wheeltrack, mm, no less | 2100 | 2100 | 2 300 | 2 300 |
| Base, mm | 3 070 |
3 070 |
3 560 | 3 560 |
| Bearing area, sq.m | 3,44 | 3,44 | 5,06 | 5,06 |
| Ground pressure, kgf/sq. cm, not more | 0,96 | 0,96 | 0,69 | 0,69 |
| Fuel tank, l | 400 | |||
| Ripper attachment | ||||
| Type | Regulated single/multi-tooth | |||
| Teeth number | 1 / 3 | |||
| Weight, kg | 2 521 / 3 598 | |||
| Max penetration, mm | 1 030 / 780 | |||
| Bulldozer attachments | ||||
| Blade | hemispherical | straight | ||
| Length x Height, mm | 3 976 х 1 875 |
3 976 х 1 875 |
4 378 х 1 673 |
4 378 х 1 673 |
| Storage tank, sq.m | 10 | 10 | 8,5 | 8,5 |
| Height above bearing surface, mm. | 1 220 | |||
| Blade penetration, mm . | 590 | |||
| Max. tilt control, degrees | ±10 | |||
| Weight, kg | 5 140 |
5 140 |
3 965 | 3 965 |
| Winch | ||||
| Maximum winch effort of locomotive unit, kgf, not less: | 30000 | |||
| Winch rope length, m | 75 | |||
| Winding speed of first layer of rope on the winch drum (calculated), m/min, no less: | 10 | |||
| Overall dimensions of the tractor without attachments not more than | ||||
| Length, mm | 4 811 |
4 811 |
4 812 |
4 812 |
| Width, mm | 2 696 | 2 696 | 3 010 | 3 010 |
| Height, mm | 3 885 | |||
| Total weight (standard features, with full fueling, blade, ripper, operator), not more, kg | 36 518 | 36 518 | 37 465 |
37 465 |