SPECIFICATIONS SD7N | ||||||
Performance | Dozer | - | Tilt | |||
Operation weight | kg | 24800 | ||||
Ground pressure | kPa | 74.1 | ||||
Track gauge | mm | 1980 | ||||
Min. ground clearanc | mm | 404 | ||||
Gradient | ° | 30/25 | ||||
Dozing capacity | m³ | 8.1 | ||||
Blade width | mm | 3550 | ||||
Max. digging depth | mm | 498 | ||||
Overall dimensions with ripper | mm | 7616*3550*3402 | ||||
Engine | Brand | - | Top brand | |||
Model | - | NT855-C280S10 | ||||
Rated power | kW/rpm | 185/2100 | ||||
Max. torque | N.m/rpm | 1097/500 | ||||
Rated fuel consumption | g/kW.h | ≤235 | ||||
Undercarriage system | Type | - | Track is triangle shape. | |||
Sprocket is elevated. | ||||||
No. of track rollers | each side | 7 | ||||
No. of carrier | each side | - | ||||
Pitch | mm | 216 | ||||
Width of shoe | mm | 560 | ||||
Forward gear | km/h 1st/2nd/3rd | 3.9/6.5/10.9 | ||||
Backward gear | km/h 1st/2nd/3rd | 4.8/8.2/13.2 | ||||
Hydraulic system | Max. system pressure | MPa | 20 | |||
Pump type | - | High pressure gears pump | ||||
System output | (L/min) | 170 | ||||
Pilot hydraulic control | ||||||
Driving system | Torque converter is power separating hydraulic-mechanic type. | |||||
Planetary, power shift transmission. | ||||||
The steering clutch is hydraulic pressed, non-constant engaged clutch. | ||||||
The braking clutch is hydraulic pressed by spring, separated hydraulic, constant messhed type. | ||||||
The final drive is twuo-stage planetary reduction gear mechanism, splash lubrication. |