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 |