| 技术参数 TECHNICAL SPECIFICATIONS | QY50KA | |
| 尺寸参数 Dimensions | Unit | |
| 整机全长 Overall length | mm | 13770 |
| 整机全宽 Overall width | mm | 2800 |
| 整机全高 Overall height | mm | 3570 |
| 重量参数 Weight | ||
| 行驶状态整机自重 Dead weight in travel state | kg | 41000 |
| 动力参数 Power | ||
| 发动机型号 Carrier engine | WD615.334 WD615.338 WP10.336 WP10.375 | |
| 发动机额定功率 Engine rated output | kw/(r/min) | 247/2200 276/2200 247/2200 275/2200 |
| 发动机额定扭矩 Engine rated torque | N.m/(r/min) | 1350(1300-1600) 1500(1300-1600) 1350(110-1500) 1460(1200-1600) |
| 行驶参数 Travel | ||
| 最高行驶速度 Max.travel speed | km/h | 80 |
| 最小转弯直径 Min.turning diameter | m | 84 |
| 最小离地间隙 Min.ground clearance | mm | 291 |
| 接近角 Approach angle | ° | 17 |
| 离去角 Departure angle | ° | 11 |
| 最大爬坡度 Max.gradeability | % | 40 |
| 百公里油耗 Fuel consumption of 100km | L | 42 |
| 主要性能参数 Lifting performance | ||
| 最大额定总起重量 Max.total rated lifting capacity | t | 50 |
| 最小额定工作幅度 Min.rated working radius | m | 3 |
| 转台尾部回转半径 Turning radius at swing tadble tail | mm | 3482 |
| 基本臂最大起重力矩 Base boom Max.load moment | kN.m | 1822 |
| 基本臂 Base boom | m | 11.3 |
| 最长主臂 Full-extend boom | m | 42.7 |
| 最长主臂+副臂 Boom+Jib | m | 57.7 |
| 纵向支腿距离 Outrigger longitudinal distance span | m | 5.91 |
| 横向支腿距离 Outrigger lateral distance span | m | 6.9 |
| 工作速度 Working speed | ||
| 起重臂变幅时间 Boom elevating time | s | 40 |
| 起重臂伸缩时间 Boom telescoping time | s | 80 |
| 最大回转速度 Max.slewing speed | r/min | 2 |
| 主起升机构最大速度 Main winch max.speed | m/min | 130 |
| 副起升机构最大速度 Auxiliary winch max.speed | m/min | 120 |