| Parameter items | QY55KC |
| Parameter items | QY55KC |
| Dimensional parameters | * |
| Overall length(mm) | 13900 |
| Width of the whole machine(mm) | 2800 |
| Overall height(mm) | 3675 |
| Wheelbase (mm) | 1470+4300+1350 |
| Wheel base(mm) | 2314/2314/2063/2063 |
| Weight parameters | |
| Gross mass in driving condition (kg) | 42700 |
| Axle load (kg) | 8585/8585/12765/12765 |
| Power parameters | * |
| Engine model | D10.38-50 |
| Engine rated power (kw/(r/min)) | 276/2000 |
| Engine torque(N.m/(r/min)) | 1560/1200-1500 |
| Driving parameters | |
| Driving | |
| Maximum travel speed (km/h) | ≥90 |
| Minimum stable driving speed (km/h) | 2.5~3 |
| turn | |
| Minimum turning diameter (m) | ≤24 |
| Minimum turning diameter of arm head (m) | ≤29 |
| Maximum degree of remembrance (%) | ≥45 |
| Minimum ground clearance (mm) | 303.5 |
| Angle of approach (°) | 19 |
| Departure angle (°) | 14 |
| Braking distance (m) | ≤10 |
| Fuel consumption per 100 km (L) | 40 |
| Main performance parameters | |
| Maximum rated gross lifting capacity (t) | 55 |
| Minimum Rated Amplitude (m) | 3 |
| Maximum lifting moment of the basic arm(kN·m) | 2033 |
| Turntable tail turning radius (mm) | 3625 (counterweight) 3780 (sub-volume) |
| Outriggers | |
| Longitudinal (m) | 6.1 |
| Horizontal(m) | 7.1 |
| Maximum lifting height | |
| Basic Arm (m) | 11.9 |
| Longest main arm (m) | 44.5 |
| Longest main arm + secondary arm (m) | 60.3 |
| Longest main arm + jib + extension knuckle | - |
| Boom length | * |
| Basic Arm (m) | 11.6 |
| Longest main arm (m) | 44.5 |
| Longest main arm + secondary arm | 60.5 |
| Longest main arm + secondary arm + extension knuckle (m) | - |
| Speed of work | * |
| Maximum swing speed(r/min) | ≥1.6 |
| Lifting speed | * |
| Main hoisting mechanism | 130 (single rope, 4th layer, unlaved) |
| Auxiliary hoisting mechanism | 130 (single rope, 4th layer, unlaved) |
| Boom telescopic time | * |
| Full Extension(s) | ≤110 |
| Full shrinkage | - |
| Amplitude change time | * |
| Full boom(s) | ≤50 |
| Full Drop Arm(s) | - |
| Outrigger retraction - level | * |
| Simultaneous Release--Level(s) | ≤35 |
| Simultaneous Income--Level(s) | ≤30 |
| The legs are retracted and straightened | |
| Simultaneous release(s) | ≤40 |
| Simultaneous Receipt(s) | ≤35 |