Knuckle boom crane JTK355

1. 4-link HC on-car multi-way valve group, two sets of four-link rod system, more stable lifting characteristics.

2. Reducer drive rotation mechanism; telescopic boom cylinder with sequence valve.

3. 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 JTK355 is a versatile knuckle boom crane designed for stability and efficiency in medium-duty lifting operations. Available in 4-section and 5-section boom configurations, it delivers a maximum lifting moment of up to 320kNm and a working range of up to 14.5m. The crane's main structure is crafted from 1100 and 960 grade high-strength steel, featuring a unique decagonal boom cross-section patented technology for superior durability.

Product Parameter
Item	Unit	JTK355-4S/5S
Max Lifting Moment	kNm	320/315
Max Working Range	m	12.26/14.5
First-Arm Angle(Max Moment)	°	20
EN12999 Working Type		H1-B3
Max Dynamic Load Moment	kNm	420
Slewing Moment	kNm	18.5
Max Off-Load Angle	°	5
Slewing Angle	°	360
Outtrigger Span	mm	6000
Max.support reaction of landing gear	kN	150
Max Flow of Main Valve	1/min	60
Max Pressure of Main Valve	Mpa	33
Minimun Power Required	kW	52
Oil Tank Capacity	L	220
Input Voltage	V	24/12DC
Crane Weight	Kg	4065/4250
Crane Height	m	2.400
Crane Width	m	2.500
Hydraulic oil weight	Kg	210
Amount of Tie Rods		8
Tie Rods Size		M33X2
Material of Tie Rods		42CrMo Slack quench
Tightening torque of Tie Rod	Nm	1200

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