SD7N
Lifetime Service Support
1 Year
Universal Type
Hydraulic Transmission
Crawler
Front Discharge
147~515kw
ISO9001: 2000
New
Yellow
Cummins Nt855-C280s10 / Weichai.Wd12g250e302
fusen
Nude
5677*3500*3402
China
84291190
Product Description
24tons Bulldozer SD7N with Cummins engine 185KW
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, It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency. 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.
Dozer | Tilt |
Operation weight(kg) | 26800 |
Ground pressure(KPa) | 46.2 |
Overall dimensions (mm) | 5473×4382×3482 |
EngineType | Cummins NT855-C280S10 / Weichai.WD12G250E302 |
Rated power (KW) | 185 |

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. |
