● Chongfa NT855-C280S10 engine features strong power and high
efficiency and energy-saving.
● The high reliability power shift transmission, the stable
hydraulic torque converter, and two-stage spur gear final drive
feature high power transmission efficiency.
● The engine can run normally and reliably under all load
conditions and all hot environments required by the user, without
overheating.
● It can realize the automatic diagnosis and whole-process
monitoring of the malfunctions. The integrally injection molded
instrument panel integrates the A/C, electric devices, and
instruments, featuring beautiful appearance and high grade.
● The full box-type main frame with application of high performance
materials and high strength castings features high carrying
capacity against impact load and bendingmoment and the high quality
welds guarantee the life cycle of the main frame.
● The semi-rigid suspension traveling system increases the ground
area of tracks and improves the traction force of vehicle.
● The ergonomically designed driver seat and armrests can be
adjusted easily in vertical and longitudinal directions. The
gearshift, steering, and accelerator controls are arranged on the
left side with the adoption of flexible shaft structure. The
working device controls are arranged on the right side with
adoption of servo control system to achieve lighter and more
flexible operations and relieve the operating fatigue.
● The standard straight tilting blade features powerful cutting
force to handle diversified severe working environments and the
large single-shank ripper of adjustable penetrating angle can be
used for the ripping of clay and frozen earth as well as the
stripping of hard working faces, such as gravel and hardened salt
mine.
SD22 crawler bolldozer performance parameter:
| Dimension | 5495×3725×3745mm(L*W*H excluding ripper) |
| Operating weight | 23.4t(excluding ripper) |
| Engine model | WD12G240E206/NT855-C280S10 |
| Net power | 162kw |
| rated speed | 1800rpm |
| Ground pressure | 0.077Mpa |
| Blade type | Straight tilting blade Angle blade U blade Semi-U blade |
| Blade capacity | 6.4m3 for straight tilting blade 4.7m3 for angle blade 7.5m3 for U blade 7.0m3 for Semi-U blade |
