Model: QYS-4ZIII

Max. Lifting capacity: 4000kgs

Max. Lifting Moment: 84kN.m

Max. Lifting Height: 10.9m

Max. Working Radius: 9.11m

Lifting capacity at different working radius: 4000/2.1, 1800/4.25, 1270/5.87, 940/7.51, 590/9.11

Sections of boom: 4

Swivel mechanism: clockwise or counter-clockwise 360°, ≤3r/min

Overall swilvel and reducing driving mechanism

Outrigger: Manual, 2.1-4.4 (front),

Hydraulic system: nominal flow rate:25L/min

Nominal pressure: 25MPa

Oil tank capacity: 127L

Safety device: with overflow valve in the hydraulic system, with balance valve and hydraulic lock for each cylinder, double cushion valve for the slewing, optional moment protector, optional swivel limit device.

Company's name: Shijiazhuang Coal Mining Machinery Co., Ltd.

Company's address: 111 Yuejin Road, Shijiazhuang, China.

Contact person: Gina

Tel: +86 311 85916740

Fax: +86 311 85053656

Email: ginazi@163.com

Website: www.coalcutting.com

MSN: gena_659@hotmail.com

QQ: 908501348