Knuckle boom crane JTK655

1. Standard equipped with Scanreco remote control operation; 4 sets of Danfoss multifunctional electric proportional compensation valve groups;

2. Two sets of four-link force rod system for smoother lifting characteristics; double slewing reducer drives the slewing mechanism;

3. Telescopic boom cylinder with sequence valve, end-stroke vibration damper; The main steel structure is made of 1100 and 960 grade high-strength steel.

4. Unique decagonal boom cross-section patented technology, and equipped with oil cooler.

Description
Inquiry

The JTK655 is a versatile knuckle boom crane engineered for precision and power in demanding lifting scenarios. Available in 6-section and 8-section boom configurations, it delivers a maximum lifting moment of up to 567kNm and a working range of up to 20.

Product Parameter
Item	Unit	JTK655-6S/8S
Max Lifting Moment	kNm	567/566
Max Working Range	m	17.1/20.4
First-Arm Angle(Max Moment)	°	25
EN12999 Working Type		H1-B3
Max Dynamic Load Moment	kNm	730
Slewing Moment	kNm	65
Max Off-Load Angle	°	5
Slewing Angle	°	360
Outtrigger Span	mm	8710
Max.support reaction of landing gear	kN	184
Max Flow of Main Valve	1/min	100
Max Pressure of Main Valve	Mpa	34
Minimun Power Required	kW	52
Oil Tank Capacity	L	240
Input Voltage	V	24/12DC
Crane Weight	Kg	6850/7300
Crane Height	m	2.540
Crane Width	m	2.550
Hydraulic oil weight	Kg	220
Amount of Tie Rods		8
Tie Rods Size		M39X3
Material of Tie Rods		42CrMo Slack quench
Tightening torque of Tie Rod	Nm	1850

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