- TYS220 bulldozer is semi-rigid suspended, hydraulic transfer, hydraulic controlled track type bulldozer. Planetary, power shift transmission which is Unilever operated. The operation system designed according to human and machine engineering makes operation more easily, efficiently and accurately.
- Strong power, excellent performances, high operation efficiency and wide view show the advantage features. It is your best choice for road building,
- hydro-electric construction, field modification, port building, mine development and other constructions.
SPECIFICATIONS
| Dozer | Straight-tilt |
| (not including ripper) Operation weight (Kg) | 25700 |
| Ground pressure(KPa) | 41 |
| Track gauge(mm) | 2250 |
| Gradient | 30° |
| Dozing capacity (m³) | 6.8 |
| Blade width (mm) | 4365 |
| Max. digging depth (mm) | 550 |
| Overall dimensions (mm) | 6290×4365×3395 |
ENGINE
| Type | CUMMINS NT855-C280S10 |
| Rated revolution (rpm) | 2000 |
| Rated power (KW) | 175 |
| Max. torque (N•m/rpm) | 1030/1300 |
| Rated fuel consumption(g/KW•h) | 205 |
UNDERCARRIAGE SYSTEM
| Type | Swing type of sprayed beam. Suspended structure of equalizer bar |
| Number of track rollers (each side) | 8 |
| Number of carrier rollers (each side) | 2 |
| Pitch (mm | 216 |
| Width of shoe (mm) | 910 |
GEAR
| Gear | 1st | 2nd | 3rd |
| Forward (Km/h) | 0-3.6 | 0-6.5 | 0-11.2 |
| Backward (Km/h) | 0-4.3 | 0-7.7 | 0-13.2 |
IMPLEMENT HYDRAULIC SYSTEM
| Max. system pressure (MPa) | 14 |
| Pump type | Gears pump |
| System output（L/min) | 262 |
DRIVING SYSTEM
Torque converter
3-element 1-stage 1-phase
Transmission
Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.
Steering clutch.
Wet, multi-disc, spring loaded, hydraulically separated, hydraulic control.
Steering brake
Wet type, floating band structure, foot brake with hydraulic booster.
Final drive
2-stage speed reduction of spur gear, splash lubrication.
BLADE
Blade type: Straight-tilting blade
Width of blade: 4365 mm
Height of blade: 1287mm