Crawler Bulldozer
Specification of Bulldozer
| ENGINE | |
| Model | Cummins KTA19-C525 |
| Type | Turbocharged vertical four-stroke,PT pump injection |
| Flywheel power (kW) | 306 |
| Rated speed (r/min) | 2000 |
| Number of cylinders-bore×stroke (mm) | 6-Φ159×159 |
| Starting method | Electric starting 9 kW /24V |
| Battery | 24VOptimax |
| Air cleaner | Dry horizontal type with pre-cleaner |
| TRANSMISSION SYSTEM | |
| Torque converter | 3-element, single-stage, single phase |
| Transmission | Hand-operated, Hydraulic shift, Planetary gear, multiple-disc clutch, hydraulic actuated, forced lubrication by gear pump, 3 forward speeds and 3 reverse speeds. |
| Bevel gear | Helical bevel gear, Splash lubricated |
| Steering clutch | Wet, Multiple disc, Spring loaded, Hand-operated with booster and hydraulic-released |
| Steering brake | Wet, band brake, operated with hydraulic booster |
| Final drive | Spur gear, planetary gear driving, one reduction, splash lubrication |
| UNDER CARRIAGE | |
| Sprocket | Segmented |
| Number of track shoes (each side) | 7 (4 single, 3 double) |
| Track tension | Hydraulic adjusted |
| Floating seals are used in all track rollers, carrier rollers, sprocket and front idlers | |
| Theory travel speed (km/h) 1st gear | forward 0-3.4; reverse 0-4.2 |
| Theory travel speed (km/h) 2nd gear | forward 0-6.7; reverse0-8.0 |
| Theory travel speed (km/h) 3rd gear | forward 0-12.2; reverse0-14.8 |
| TRACK | |
| Type | Lubricated track |
| Track pitch (mm) | 260.35 |
| Track width (mm) | 610 |
| Number of track shoes (each side) | 40 |
| Length of track on ground (mm) | 3425 |
| Ground clearance (mm) | 600 |
| Ground pressure (Mpa) | ≤0.109 |
| Track gauge (mm) | 2260 |
| HYDRAULIC CONTROL SYSTEM | |
| Working pressure (Mpa) | 20 |
| Rated delivery (L/min) (1700r/min) | 264 |
| Pump | CBZb4160T gear pump |
| Control valve | Hydraulic-operated plunger, loaded feedback, servo controlling |
| Valve position | Raise, Hold, Lower, Float |
| Cylinder,Bore×Rod×Stroke (mm) | Φ140×Φ90×1440 |
| WORK EQUIPMENT | |
| Blade type | Semi-U blade |
| Width ×Height (mm) | 4314×1841 |
| Max. lift above ground (mm) | 1620 |
| Max. drop below ground (mm) | 749 |
| Pitch adjustment (°) | 52 |
| Gradeability (°) | 30 |
| Max. tilt (mm) | 1000 |
| Length × Width × Height (mm) | 7100×4314×3900 |
| Weight (kg) | 45362 |
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