SD9N Bulldozer
SD8N Bulldozer
● Description
SD9 bulldozer is track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. Equipped with power separating hydraulic-mechanic type Torque converter, planetary, power shift and one lever control transmission. SD9 bulldozer equipped with integrated hydraulic system, electric monitoring, SD9 bulldozer can be equipped with many optional equipment and attachment, it can be used in road building, hydro-electric construction, land clearance, port and mine development and other construction field.
● Main specifications
Dozer: Tilt
Operation weight (including ripper) (Kg): 4880
Ground pressure(including ripper) (KPa): 112
Track gauge(mm): 2250
Gradient: 30/25
Min. ground clearance (mm): 517
Dozing capacity (m): 13.5
Blade width (mm): 4314
Max. digging depth (mm): 614
Overall dimensions (mm):847843143970
Engine
Type: NT855-C360S10
Rated revolution (rpm): 1800
Flywheel power (KW/HP): 316/430
Torque storage coefficient: 18%
Undercarriage system
Type: The track is triangle shape.
The sprocket is elevated elastic suspended: 8
Number of track rollers (each side): 8
Pitch (mm): 240
Width of shoe (mm): 610
Gear 1st 2nd 3rd
Forward (Km/h) 0-3.9 0-6.7 0-12.2
Backward (Km/h) 0-4.8 0-8.5 0-15.1
Implement hydraulic system
Max. system pressure (MPa): 18.3
Pump type: Gears oil pump
System outputL/min: 358
Driving system
Torque converter: Torque converter is power separating hydraulic-mechanic type
Transmission: Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.
Steering clutch: The steering clutch is hydraulic pressed, usually separated clutch.
Braking clutch: The braking clutch is pressed by spring, separated hydraulic, meshed type.
Final drive: The final drive is two-stage planetary reduction gear mechanism, splash lubrication.
