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QY20 Truck Crane

Features:


• Its novel hexagonal cross section structure features light dead weight and strong bearing capacity;
• Its hoisting, luffing, swing, telescopicing and other mechanisms adopt manual proportional control and hydraulic drive, featuring easy and flexible operation, stable and reliable work, as well as stepless speed regulation;
• Such safety devices as relief valve, balance valve, hydraulic lock and brake valve are equipped to prevent oilway overload and avoid accidents due to pipe fracture;
• It adopts the flow saturation resistance technology, with the flow irrelevant to the load, so that the combined movements could have the stability and synchronization effectively ensured;
• Three-axle dedicated chassis, broad vision, as well as luxurious and comfortable decorations;
• It adopts a FAST gearbox and a 6×4 drive plus easy and flexible hydraulic power steering;
• Such safety devices as torque limiter and height limit device, as well as a complete lighting system are equipped to ensure safe and reliable operation, and facilitate operation at night;


Technical Parameters:


Type

Item

Unit

Value

Working performance

Max. rated lifting weight × working radius

kg.m

20000×3.0

Max. lifting torque of basic boom

kN.m

850

Max.lifting torque of longest main boom

kN.m

465

Max. lifting height of longest main boom

m

33.5

Max. lifting height of jib

m

41.5

Dimensions

Outline dimensions (L×W×H)

mm

12620×2500×3400

Distance between outriggers (longitudinal × transversal)

mm

5150×5600

Main boom length (completely retracted – completely extended)

m

10.433

Jib length

m

8

Main boom angle of elevation

°

-280

Swing range

 

360°continuously

Working speed

Max.speed of single rope on the drum of main winch

m/min

120

Boom extension time

s

70

Boom derricking up time

s

40

Swing speed

r/min

3

Mass

Complete vehicle kerb mass

kg

26270

Front axle load

kg

6500

Rear axle load

kg

19900

Traveling

Max. traveling speed

km/h

75

Max. gradeability

%

30

Min. turn radius

m

10

Min. ground clearance

mm

250