Model: HXBG_SD8N
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.
■Specifications
铲刀型式 Dozer:直倾铲 Tilt
使用质量(带松土器) Operation weight (including ripper) (Kg):36800
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
铲刀型式 Dozer: 直倾铲(半U型铲)Tilt(Semi-U blade)
铲刀质量 Dozing weight(kg): 4570
铲刀容量 Dozing capacity (m³): 11.24
铲刀宽度 Blade width (mm):3940
铲刀高度 Blade height(mm): 1698
最大切土深度 Max. digging depth (mm):582
最大提升高度 Max.lifting height(mm):1231
最大倾斜量 Max.tilting height(mm): 719
■发动机 Engine
型号 Model: Chongqing Cummins NTA855-C360S10
形势 Type :四冲程、涡轮增压中冷、水冷, four-cycle, turbocharged, air-to-air aftercooled，water-cooled
油缸数量Number of cylinders:6
缸径×行程 Bore×stroke(mm):140×152
活塞排量Piston displacement:14L
额定转速 Rated revolution (rpm):2100
额定功率 Rated power (KW/HP):257/345
扭矩储备系数 Torque storage coefficient:20%
风扇驱动型式 Fan drive type:机械式 Mechanical
润滑系统 Lubrication:
方法 Method:齿轮泵，强制润滑 Gear pump，force lubrication
滤芯 Filter:Full-flow
净功率 Net power(KW/HP): 235/320
■行走系统 Undercarriage system
悬架 Suspension:
型式 Type:履带呈三角形布置，驱动链轮高置，弹性悬挂。The track is triangle shape.The sprocket is elevated elastic suspended.
履带板数量(单边)Number of shoes(each side):44
履带板宽度Width of shoe (mm): 560
支重轮数量(单侧) Number of track rollers (each side): 8
托链轮数量(单侧)Number of carrier rollers(each side): 1
链轨节距Pitch (mm): 216
■速度档Gear
前进Forward(Km/h): 1st:0-3.5, 二档2nd:0-6.2, 三档3rd:0-10.8
后退Backward (Km/h):1st:0-4.7, 二档2nd:0-8.1, 三档3rd:0-13.9
■工作装置液压系统 Implement hydraulic system
操纵形式Operation type:先导控制Pilot hydraulic control
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.
■冷却、润滑系统容量(装满) Coolant and lubricant capacity(refill)
燃油箱 Fuel tank(L):625
冷却液 Coolant(L): 121
发动机机油 Engine oil(L): 41
变矩器、变速箱、后桥箱 Torque converter，transmission，bevel gear(L):150
枢轴润滑油 Pivot lubricant(L): 15
终传动(单侧)Final drive(each side)(L):15
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