STC550
STC550
STC550
STC550
  • STC550
  • STC550
  • STC550
  • STC550
  • STC550
  • STC550
  • STC550
  • STC550

STC550

55 ton Truck Crane

Max. Lifting Capacity:
55t
Boom Length:
43m
Overall Weight:
42000kg
  • Comprehensive intelligent protection system is used with accuracy within 5%

Sany STC550 truck crane is equipped with more safety devices. Main and auxiliary winches are equipped with over roll-out limiter to prevent over rolling-out of wire rope. Boom and jib ends are equipped with height limiters respectively to prevent over-hoisting of wire rope.

Powerful Lifting Capacity

The 55 ton truck crane has five-section boom of high strength steel structure and optimized U-shaped cross section with max.lifting capacity of 55t, full-extended boom length of 43m, jib length of 16m, max.lifting height including jib of 59.2m, reduce weight and improve safety significantly.

Jib mounting angles are 0°, 15°, and 30°, which ensure fast and convenient change-over between different operating conditions so as to improve working efficiency of the machine.

Efficient & Unique Hydraulic System

Load feedback and constant power control is applied to provide strong lifting capacity and good micro-mobility. Unique steering buffer design is adopted to ensure stable braking operation.Hydraulic system is configured with the balance valve, overflow valve and two-way hydraulic lock etc.to ensure stable and reliable operation.

Excellent Traveling Performance

Double-axle drive is used to provide good trafficability and comfortableness under complex road condition; engine has the multimode power output function, which reduces power consumption; the use of tipping over early-warning technology provides high stable and safe operation.

Intelligent Electronic Control

Self-developed controller SYMC special for engineering machinery is configured. The adoption of CAN-bus full-digital network control technology ensures stable control signal, simple harness, and high reliability. Timely feedback of data information can achieve the monitoring of the overall working status in real time.

The Load Moment Limiter

Equipped with the comprehensive intelligent protection system is used with accuracy within 5%. The adoption of comprehensive logic and interlock control system ensures more safe and reliable operation.

Capacity
Max. lifting capacity
55t
Dimensions
Overall length
13750mm
Overall width
2750mm
Overall height
3800mm
Axles
4
Axle distance-1,2
1450mm
Axle distance-2,3
4000mm
Axle distance-3,4
1350mm
Weight
Overall weight
42000kg
Front axle load
16000kg
Rear axle load
26000kg
Engine
Model
Cummins
Rated power
250kw/2100rpm
Rated torque
1425N·m/1200rpm
Emission standard
Euro Ⅲ
Traveling
Max. traveling speed
85km/h
Min.turning radius
12m
Min.turning radius of boom head
14.5m
Drive train
8 × 4
Min. ground clearance
295mm
Approach angle
18 °
Departure angle
12 °
Max. gradeability
40%
Fuel consumption per 100km
≤ 45L
Main Performance
Temperature range
– 20 ℃ ~ + 45 ℃
Min.lifting radius
3m
Tail swing radius of superstructure
4m
Boom section
5
Boom shape
U-shaped
Max. lifting moment-Base boom
1774kN·m
Max. lifting moment-Full-extend boom
840.8kN·m
Max. lifting moment-Full-extend boom+jib
318kN·m
Length-Base boom
11.5m
Length-Full-extend boom
43m
Length-Full-extend boom+jib
59m
Outrigger span(Longitudinal/Transversal)
6×7.2m
Jib offset
0 ° 15 ° 30 °
Working Speed
Max. single rope lifting speed of main winch(no load)
130 m/min
Max. single rope lifting speed of auxiliary winch(no load)
130 m/min
Full extend/retract time of boom
100 / 120s
Full raise/lower time of boom
80 / 80s
Swing speed
0~2 r/min
Aircondition
HVAC in up cab
Cooling
HVAC in low cab
Cooling and Heating
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