·Safety Device
Leg locks, boom amplitude changing safety device, boom extending and withdrawing safety device, overwinding safety device, boom angle indicator, hydraulic circuit safety valve, ACS(automatic overloads resistance device),drum rotation indicator, drum lock.

·Hoister steel rope
Main drum: Model: U4×SES(39)( independent twisted strand core) Steel rope diameter: 24mm length 265m
Sub-drum: Model: U4×SES(39)( independent twisted strand core) Steel rope diameter: 24mm length 150m

  hydraulic device

1 hydraulic pump 2 axial piston variable pumps and 1 gear pump 
2 winch motor axial piston type
3 slewing motor radial piston type
4 oil cylinder  double acting
5 control valve double acting three-potential four-way control valve with wholly check valve and safety valve
6 hydraulic oil tank 1250

  Engine spec

1 manufacturer Mitsubishi Motors Co., Ltd
2 model 8DC9-TL
3 type 4strokes,water-cooling,inter-cooling diesel engine
4 cylinder numbers 8
5 cylinder displacement 16.031litre
6 max output power 430hp/2200r/min
7 max output torque 160kg.m/1400r/min
8 clutch double-dry disc hydraulic control clutch with air booster
9 transmission forward speed,3 reverse speed 

  Cranes

1 boom length 13.6m-50m)(5-section)
2 jib length high speed 102(2-section)
3 lift rope speed(first layer) main(sub)drum high speed 102米/分low speed 51米/分
4 boom amplitude changing angle
-2°-82°
5 boom amplitude changing time 76秒(-0°-82°) 
6 boom extending and withdrawing time (extension) 0.16米/秒(13.6米-40.9米)
7 slewing speed 1.9r/min