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SD7N Bulldozer
SD7N bulldozer is 230 horsepower track-type dozer with elevated sprocket,
power shift drive, semi-rigid suspended and hydraulic controls.
SD7N-230
horsepower, elevated sprocket bulldozer integrate with modular design is easy
to repair & maintenance, Safety comfortable operation condition, electric
monitoring and ROPS cabin with reliable entire quality, excellent service is
your wise choosing.
It can be equipped with straight tilting blade, angle blade, coal pushing
blade, U shape blade; single shank ripper, three shanks ripper; ROPS, FOPS,
forest defence cabin etc.. It is can ideal machine used in communication, oil
field, power, mining etc. large earth moving program.
SPECIFICATION | ||||||
Blade | Semi-U tilting blade | |||||
Operation weight (Kg) (not including ripper) | 23800 | |||||
Ground pressure(KPa) | 71.9 | |||||
Track gauge(mm) | 1980 | |||||
Gradient | 30°/25° | |||||
Min. ground clearance (mm) | 404 | |||||
Dozing capacity (m³) | 8.4 | |||||
Blade width (mm) | 3500 | |||||
Max. digging depth (mm) | 498 | |||||
Overall dimensions (mm) | 5677×3500×3402 | |||||
(including ripper) | 7616×3500×3402 | |||||
Engine | ||||||
Type | CUMMINS NTA855-C280S10 | |||||
Rated revolution (rpm) | 2100 | |||||
Rated power (KW) | 185 | |||||
Max. torque (N•m/rpm) | 1097/1500 | |||||
Rated fuel consumption(g/KW•h) | ≤235 | |||||
Type | Max. torque (N•m/rpm) | |||||
Undercarriage system | ||||||
Type | The track is triangle shape. The sprocket is elevated elastic suspended. | |||||
Number of track rollers (each side) | 7 | |||||
Pitch (mm) | 216 | |||||
Width of shoe (mm) | 560 | |||||
Gear | 1st | 2nd | 3rd | |||
Forward (Km/h) | 0-3.9 | 0-6.5 | 0-10.9 | |||
Backward (Km/h) | 0-4.8 | 0-8.2 | 0-13.2 | |||
Implement hydraulic system | ||||||
Max. system pressure (MPa) | 20 | |||||
Pump type | High pressure gears pump | |||||
Control type | Pilot control | |||||
System output (L/min) | 170 | |||||
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, speeds and direction can be quickly shift | |||||
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. | |||||
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