Description
SD8N bulldozer are 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. SD8N bulldozer equipped with Pilot hydraulic control system; its new structure of modular assembling and disassembling; with handy, accurate operating system, electric monitoring, SD8N 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.
推土机性能参数 Specifications
铲刀型式 Dozer 直倾铲 Tilt
使用质量(带松土器) Operation weight (including ripper) (Kg) 37300
接地比压(带松土器) Ground pressure(including ripper) (KPa) 94
履带中心距 Track gauge(mm) 2083
爬坡性能Gradient 30°/25°
最小离地高度 Min. ground clearance (mm) 556
铲刀容量 Dozing capacity (m³) 11.24
铲刀宽度 Blade width (mm) 3940
最大切土深度 Max. digging depth (mm) 582
松土器类型 Ripper Type Single Shanks Ripper
最大切土深度 Max. digging depth of Ripper (mm) 850
最大切土深度 Max. lifting height of Ripper (mm) 770
外形尺寸(长×宽×高)(带松土器)Overall dimensions (mm) 7930×3940×3549
发动机 Engine
型式 Type CUMMINIS NTA855-C360S10
额定转速 Rated revolution (rpm) 2100
飞轮功率 Flywheel power (KW/HP) 235/320
扭矩储备系数 Torque storage coefficient 20%
行走系统 Undercarriage system
型式 履带呈三角形布置，驱动链轮高置，弹性悬挂。
Type The track is triangle shape.
The sprocket is elevated elastic suspended.
支重轮数量(单侧) 8
Number of track rollers (each side) 8
链轨节距(mm) 216
Pitch (mm) 226
履带板宽度(mm) 560
Width of shoe (mm) 560
速度档Gear 一档1st 二档2nd 三档3rd
前进Forward (Km/h) 0-3.5 0-6.2 0-10.8
后退Backward (Km/h) 0-4.7 0-8.1 0-13.9
工作装置液压系统 Implement hydraulic system
最高系统压力 Max. system pressure (MPa) 20
油泵型式 Pump type 高压齿轮泵 Gears oil pump
系统流量 System output（L/min） 220
传动系统 Driving system
变矩器 外分流式液力机械变矩器。
Torque converter Torque converter is power separating hydraulic-mechanic type
变速箱 变速箱为行星齿轮传动，动力换挡变速箱。前进三档、后退三档。可实现档位和方向的快速变换。
Transmission Planetary, power shift transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted.
转向离合器 转向离合器为免调式、湿式多片、液压压紧的常分离的离合器
Steering clutch. The steering clutch is hydraulic pressed, usually separated clutch.
制动离合器 制动离合器为免调式、湿式多片、碟簧压紧、液压分离的常结合的离合器
Braking clutch The braking clutch is pressed by spring, separated hydraulic, meshed type.
最终传动 终传动为两极行星减速机构，飞溅润滑。
Final drive The final drive is two-stage planetary reduction gear mechanism, splash lubrication.
